IP67 Neon Flex

Every IP67 neon flex in this range uses UV-stable silicone extrusion rather than PVC, which means no yellowing, no frost cracking, and consistent flexibility from -20°C to +50°C. Available in warm white (2700K–3000K), natural white (4000K), and cool white (5000K–6500K), with RGB options for colour-changing projects. All backed by ATOM LED's warranty, free UK delivery, and technical support from our Telford team on 01952 370028.

IP67 Rated · UV-Stable Silicone · 24V & 48V · Up to 50m Dual Feed · Cut to length at marked intervals · CRI90+ · 4-year warranty · Free UK Delivery

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1. What does IP67 actually mean for neon flex?
2. Where should you use IP67 neon flex in 2026?
3. How does IP67 compare to IP65 and IP68 neon flex?
4. Why does silicone IP67 neon flex outperform PVC outdoors?
5. Which UK bathroom zones accept IP67 neon flex under BS7671?
6. Should you choose 24V or 48V IP67 neon flex?
7. How do you install IP67 neon flex outdoors?
8. What happens to waterproofing after cutting IP67 neon flex?
9. Why choose ATOM LED for IP67 neon flex?
10. Frequently asked questions about IP67 neon flex

Quick decision summary: If your neon flex will be exposed to UK weather — rain, frost, ground splash, or humidity — you need IP67 minimum. If it will sit permanently underwater in a pond or fountain, you need IP68 neon flex instead. If it is fully sheltered indoors with no moisture contact, IP65 is sufficient. For most UK garden, patio, bathroom, and facade projects in 2026, IP67 is the correct specification.

Who this is for: Homeowners planning garden border lighting, patio perimeter runs, driveway edging, or bathroom accent lighting. Contractors specifying for commercial facades, hospitality outdoor areas, or bathroom refurbishments. Signage professionals who need weather-resistant neon flex for exterior lettering.

Who this is NOT for: If you need neon flex permanently submerged in water — ponds, fountains, swimming pool edges — IP67 is not rated for continuous submersion. You need IP68 fully submersible neon flex. If your installation is entirely indoors and dry, IP67 protection is more than you need and a standard indoor-rated neon flex will cost less.

Common buying mistakes to avoid:

• Buying IP65 for outdoor UK use: IP65 handles surface splash only — not sustained rain, not frost, not standing puddles. It typically fails within one UK winter when fully exposed.
• Choosing PVC construction over silicone: PVC IP67 neon flex looks identical when new, but yellows within 12–18 months of UV exposure and cracks after repeated frost cycles. Always confirm silicone construction for any outdoor project.
• Using an indoor driver for an outdoor neon flex run: The neon flex itself may be IP67, but if your driver is IP20, the entire system fails at the weakest link. Outdoor installations require an IP67-rated LED driver housed appropriately.
• Ignoring end-cap sealing after cutting: The moment you cut IP67 neon flex, the cut end is no longer Waterproof. You must reseal with a matched silicone end cap and RTV silicone adhesive before installing outdoors.

What does IP67 actually mean for neon flex?

IP67 is an ingress protection rating defined by IEC 60529, where the "6" confirms complete dust-tightness and the "7" confirms protection against temporary immersion in water up to 1 metre depth for 30 minutes. For neon flex, this means the silicone extrusion and internal potting compound prevent any moisture reaching the LED strip inside, even during heavy rain, jet washing, or brief flooding.

The IP rating system uses two digits. The first digit (0–6) rates solid particle protection — dust, sand, debris. A rating of 6 is the maximum: completely dust-tight with zero ingress even under vacuum. The second digit (0–9) rates liquid protection. A rating of 7 means the product survives temporary immersion at up to 1 metre depth for 30 minutes without internal moisture ingress.

In practical UK terms, IP67 neon flex handles:

• Direct rainfall: Hours of continuous heavy rain cause no ingress — significantly exceeds the temporary immersion test threshold.
• Ground-level splash and puddles: Garden installations at ground level where standing water collects briefly after storms remain protected.
• Pressure washing: Cleaning patios and decking areas with a standard domestic pressure washer does not breach IP67 sealing, though sustained direct jet at close range should be avoided.
• Frost and snow contact: The IP67 seal prevents moisture entry during freeze-thaw cycling, provided the neon flex uses silicone rather than PVC construction.
• Bathroom humidity and direct water splash: Exceeds BS7671 minimum requirements for Zones 1 and 2, and meets Zone 0 requirements when supplied via SELV circuit.

What IP67 does not cover: continuous submersion. A pond edge where the neon flex sits permanently below the water line, a fountain basin, or a swimming pool channel all require IP68 neon flex rated for continuous submersion.

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Where should you use IP67 neon flex in 2026?

IP67 neon flex is the correct specification for any UK installation exposed to weather, moisture, or humidity — including garden borders, patio perimeters, driveway edging, building facades, bathroom zones 0–2, and commercial outdoor signage. It is the most widely specified IP rating for outdoor neon flex projects across the UK in 2026.

The applications break into three broad categories: residential outdoor, bathroom and wet room, and commercial exterior.

Residential outdoor

• Garden pathway and border lighting: IP67 neon flex installed at ground level along paths, raised beds, and lawn borders handles rain runoff, sprinkler contact, and winter frost without failure.
• Patio and decking perimeter: Recessed into neon flex aluminium profiles or surface-mounted along decking edges, IP67 survives direct weather exposure year-round. For dedicated decking solutions, see neon flex decking lights.
• Driveway and step edging: 48V IP67 neon flex supports runs long enough to border most residential driveways from a single driver, with the silicone extrusion handling tyre splash and road salt contact.
• Facade and soffit accent: Building outline lighting on houses and garages — IP67 handles direct rain on vertical surfaces and wind-driven moisture.

Bathroom and wet room

• Mirror surrounds and vanity lighting: IP67 exceeds the minimum IP44 requirement for Zone 2 and the recommended IP65 for Zone 1, making it suitable for most bathroom lighting positions.
• Shower niche accent lighting: Zone 1 applications where direct water splash occurs. IP67 neon flex on a 24V SELV driver meets BS7671 requirements for this zone.
• Wet room perimeter and ceiling cove: Persistent high humidity and condensation make IP67 the minimum sensible specification for wet rooms in 2026.

Commercial exterior

• Shopfront and signage: IP67 neon flex in sign-making profiles handles UK weather for commercial lettering and brand signage.
• Hospitality outdoor areas: Pub gardens, restaurant terraces, hotel exterior accents — IP67 silicone neon flex withstands UK seasons without yellowing or cracking.
• Architectural facade runs: 48V IP67 neon flex at up to 30m single-feed or 50m dual-feed covers most commercial facade requirements from a single driver position.

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How does IP67 compare to IP65 and IP68 neon flex?

IP65 handles surface splash only and is not suitable for exposed UK outdoor conditions — it typically fails within one winter. IP67 handles rain, frost, ground splash, and temporary immersion, making it correct for most outdoor and bathroom projects. IP68 handles continuous submersion for ponds, fountains, and underwater features. The rating you need depends entirely on water exposure.

Specification	IP65	IP67	IP68
Dust protection	Complete (6)	Complete (6)	Complete (6)
Water protection	Low-pressure jets	Temporary immersion 1m / 30 min	Continuous submersion 1m+
UK outdoor (exposed)	Not suitable	Correct specification	Exceeds requirement
UK outdoor (sheltered)	Marginal — risk of failure	Fully suitable	Exceeds requirement
Bathroom Zone 0	Does not meet requirement	Meets requirement (with SELV)	Meets requirement (with SELV)
Bathroom Zone 1	Meets minimum (IPX4)	Exceeds requirement	Exceeds requirement
Bathroom Zone 2	Meets minimum (IPX4)	Exceeds requirement	Exceeds requirement
Ponds / fountains	Not suitable	Not suitable	Correct specification
Frost-cycle survival (silicone)	Limited	Yes — rated to -20°C	Yes — rated to -20°C
Typical UK price premium vs IP65	Baseline	Approximately 15–25% more	Approximately 30–50% more
Recommended minimum for UK weather	No	Yes	Only if submersion needed

The critical point for UK buyers in 2026: IP65 is marketed as "Waterproof" by many suppliers, but it is only rated for surface splash and low-pressure water jets. British weather delivers sustained heavy rain, frost cycling, standing water, and high humidity. IP65 neon flex exposed to these conditions typically fails within 6–12 months as moisture eventually breaches the seal. IP67 is the minimum reliable specification for any exposed outdoor neon flex installation in the UK.

If you need continuous submersion — pond edges, fountain basins, water feature channels — IP67 is not rated for that application. You need IP68 neon flex designed for permanent submersion.

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Why does silicone IP67 neon flex outperform PVC outdoors?

Silicone IP67 neon flex remains flexible, UV-stable, and crack-resistant across the full UK temperature range from -20°C to +50°C. PVC neon flex hardens in cold weather, yellows within 12–18 months of UV exposure, and cracks after repeated frost-thaw cycles — allowing moisture ingress that destroys the LED strip inside. Material choice determines whether your IP67 rating lasts one winter or ten years.

Property	Silicone IP67	PVC IP67
UV resistance	UV-stable — no yellowing over years	Yellows within 12–18 months
Operating temperature	-20°C to +50°C (some grades to -45°C)	Approximately 0°C to +40°C effective range
Frost-cycle behaviour	Remains flexible — no cracking	Hardens and cracks after repeated cycles
Flexibility at low temperature	Full flexibility maintained	Becomes rigid and brittle
Light transmission	Consistent diffusion over lifespan	Degrades as material yellows
Moisture ingress after 2 winters	Seal integrity maintained	Micro-cracks allow moisture entry
Expected outdoor lifespan (UK)	8–12+ years	1–3 years typically
Cost	Higher initial cost	Lower initial cost

The failure mechanism in PVC is physical, not chemical. When temperatures drop below approximately 5°C, PVC stiffens. When frost arrives, any residual flex in the material is lost entirely. As the temperature rises during the day, the PVC expands. This daily contraction-expansion cycle creates micro-fractures along the extrusion surface. After 20–40 frost cycles — a typical UK winter — those micro-fractures breach the Waterproof seal. Moisture enters, reaches the LED strip, and corrosion begins on the solder points and copper traces.

Silicone does not exhibit this behaviour. Its molecular structure allows flex recovery across a temperature range of approximately -20°C to +50°C without fatigue. The silicone extrusion returns to its original shape after each temperature cycle, maintaining seal integrity indefinitely under normal UK conditions.

ATOM LED uses UV-stable silicone construction across the IP67 neon flex range. If you are comparing products from different suppliers, always confirm the extrusion material. A "Waterproof" rating on a PVC product is technically accurate at point of manufacture but does not reflect real-world UK outdoor performance over multiple seasons.

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Which UK bathroom zones accept IP67 neon flex under BS7671?

IP67 neon flex meets or exceeds the IP requirements for all four UK bathroom zones under BS7671 wiring regulations. Zone 0 (inside bath or shower tray) requires IP67 minimum plus SELV supply at a maximum of 12V. Zones 1 and 2 require IP44/IP45 minimum — IP67 significantly exceeds both. The area outside all zones has no IP requirement, so IP67 is fully compliant everywhere in a UK bathroom.

• Zone 0 — inside the bath or shower tray: Minimum IPX7 required. IP67 neon flex meets this requirement. However, Zone 0 also mandates SELV supply — maximum 12V. Most neon flex runs on 24V, which falls within the SELV voltage threshold under BS7671 (120V DC ripple-free maximum), provided it is supplied from a suitably isolated, safety-rated driver. Always confirm your transformer is SELV-classified for Zone 0 installations.
• Zone 1 — above the bath or shower to 2.25m height: Minimum IPX4 required, with IPX5 recommended where water jets may occur. IP67 exceeds both thresholds. If using mains voltage fittings, a 30mA RCD is required on the circuit. Low-voltage neon flex on a SELV driver avoids this requirement.
• Zone 2 — 0.6m beyond the bath or shower perimeter, up to 2.25m: Minimum IPX4 required. IP67 significantly exceeds this. Also applies within 0.6m radius of any basin tap.
• Outside zones — the remainder of the bathroom: No IP rating required under BS7671. IP67 is more than sufficient.

For practical bathroom installations in 2026, IP67 neon flex is the most popular specification because it provides a single product solution for every zone. Rather than specifying different IP ratings for different bathroom areas, a single IP67 neon flex run with a 24V SELV-rated driver covers the entire bathroom without zone boundary concerns.

All bathroom electrical work must be carried out by a qualified electrician or competent person in accordance with BS7671 and Part P of the Building Regulations. IP67 neon flex meets the product specification requirements — but correct installation, circuit protection, and driver selection are equally critical for compliance.

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Should you choose 24V or 48V IP67 neon flex?

Choose 24V IP67 neon flex for residential projects with runs up to 20 metres from a single feed point — gardens, patios, bathrooms, and standard room perimeters. Choose 48V for commercial facades, long driveway borders, or any project exceeding 20 metres, where 48V supports up to 30m single-feed and 50m dual-feed with significantly less voltage drop. The voltage determines maximum run length, not brightness or colour quality.

• 24V IP67 neon flex — up to 20m single feed: The standard specification for most residential projects. 20 metres covers the perimeter of a typical UK patio, a garden border run, a bathroom circuit, or a room-length facade accent. Drivers are widely available and cost-effective. Compatible with most LED controllers and dimming systems.
• 48V IP67 neon flex — up to 30m single feed, 50m dual feed: Designed for longer runs where 24V would suffer visible voltage drop. 48V halves the current draw at the same wattage, which means voltage drop occurs at half the rate over the same distance. Ideal for commercial building perimeters, long residential driveways, and multi-section garden schemes. Requires a 48V LED driver.

Voltage drop is the practical limiter. At 24V, a neon flex run beyond 20 metres begins to show visible dimming at the far end as resistance in the copper conductors reduces the voltage delivered to the LEDs. At 48V, the same wattage draws half the current, so the same copper conductors lose half the voltage over the same distance. This is physics, not marketing — it applies to every 24V and 48V product regardless of brand.

For outdoor IP67 installations specifically, always match the driver voltage exactly and ensure the driver is also IP67 rated for outdoor use. A 24V IP67 neon flex paired with an indoor IP20 driver defeats the entire waterproofing purpose. Browse LED transformers and drivers to find correctly rated power supplies for your installation.

If your project requires colour-changing capability, RGB and RGBW IP67 neon flex runs on non-dimmable constant voltage drivers paired with a dedicated RGB controller. Using a dimmable driver with RGB or RGBW neon flex causes flicker, colour shift, and premature failure.

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How do you install IP67 neon flex outdoors?

Outdoor IP67 neon flex installation requires five key steps: plan the route and measure accurately, mount the neon flex into a profile or onto a clean surface using appropriate clips, make Waterproof connections at both ends using IP-rated connectors and RTV silicone sealant, connect to an outdoor-rated IP67 driver with drip loops on all cable entries, and test the full circuit before final sealing. Correct installation preserves the IP67 rating for the life of the product.

1. Step 1 — Plan the route and calculate power requirements: Measure the total run length in metres. Multiply by the wattage per metre (check the product specification) to calculate total wattage. Add 20–30% headroom when selecting your driver — a driver running at full rated capacity overheats, creates audible hum, and fails prematurely. For runs exceeding 20m on 24V, either switch to 48V or plan parallel wiring from the driver to avoid voltage drop. Never wire long runs in series.
2. Step 2 — Prepare the mounting surface: Clean the mounting surface thoroughly — remove dirt, grease, moss, and loose paint. For recessed installations, route an aluminium neon flex profile along the run. For surface mounting, use the manufacturer's mounting clips at 300mm intervals. Do not mount directly onto bare metal surfaces without insulation — this causes short circuits on the low-voltage conductors. Aluminium profiles with an anodised finish provide both heat dissipation and insulation.
3. Step 3 — Cut to length and seal the cut end: Cut the IP67 neon flex at the marked cut points only. Once cut, the exposed end is no longer Waterproof. Fit a matched silicone end cap and seal it with RTV silicone adhesive — not generic bathroom sealant, which does not bond permanently to silicone extrusion. Allow the RTV sealant to cure fully (typically 24 hours at 20°C) before exposing to moisture.
4. Step 4 — Make Waterproof electrical connections: Use IP67-rated inline connectors or Waterproof junction boxes at every connection point. Where wires run into an enclosure or junction box, install cable glands to prevent water tracking along the cable sheath. Form a drip loop on every cable run between the neon flex and the driver — this prevents rainwater from running along the cable and entering the driver housing or connection point.
5. Step 5 — Connect the driver and test: Connect to a correctly rated IP67 outdoor driver. Match the voltage exactly — 24V driver for 24V neon flex, 48V for 48V. Power on and check for even brightness along the entire run. Uneven brightness indicates a connection fault or voltage drop from an undersized driver. Check all sealed joints under close inspection before finalising the installation. Never power neon flex while it is still coiled on the reel — heat builds rapidly in a coil and damages both the adhesive backing and the LED strip itself.

For parallel wiring on multi-run installations, feed each neon flex run independently back to the driver rather than daisy-chaining from one run to the next. Parallel wiring ensures each run receives full voltage regardless of total system length. This is particularly important for garden schemes with multiple border runs fed from a single outdoor power supply.

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What happens to waterproofing after cutting IP67 neon flex?

Cutting IP67 neon flex exposes the internal LED strip and copper conductors at the cut point, immediately removing Waterproof protection at that end. You must reseal every cut end with a matched silicone end cap bonded using RTV silicone adhesive before installing outdoors or in wet areas. Generic tape, hot glue, and standard bathroom sealant do not provide reliable long-term IP67 sealing.

ATOM LED IP67 neon flex features cut to length at marked intervals — you can cut at any marked point without voiding the warranty. However, cutting creates an obligation to reseal. The factory-sealed ends and extrusion body remain IP67 after cutting, but the new cut end is fully exposed.

• Correct sealing method: Fit the matched silicone end cap over the cut end. Apply a bead of RTV silicone adhesive (such as RTV 4500 or equivalent UV-stable silicone sealant) around the junction between the end cap and the neon flex extrusion. Allow a full 24-hour cure at approximately 20°C before exposing to water. The RTV silicone bonds permanently to the silicone extrusion and the silicone end cap, creating a continuous Waterproof seal.
• Why generic sealant fails: Standard bathroom silicone sealant (acetoxy-cure) releases acetic acid during curing. This acid attacks copper conductors and can cause corrosion on solder joints within the neon flex. Neutral-cure RTV silicone does not release acid and bonds reliably to silicone substrates. This distinction matters for every outdoor and wet-area installation.
• Why tape and hot glue fail: Waterproof tape creates a surface seal only — it cannot resist sustained water pressure or capillary action over months of exposure. Hot glue does not bond reliably to silicone surfaces and becomes brittle in UV and frost. Neither method meets the IP67 standard for the sealed product.

For wired connections where power feeds exit the cut end, use IP67-rated end caps with integrated wire leads, then seal the wire exit with RTV silicone. Every connection joint in an outdoor IP67 system must maintain the same ingress protection level as the neon flex body itself. Browse neon flex accessories for compatible end caps, connectors, and sealants.

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Why choose ATOM LED for IP67 neon flex?

ATOM LED is a specialist UK LED supplier based in Telford, Shropshire, stocking all IP67 neon flex products in-house for immediate dispatch. Every product ships with free UK delivery, is backed by a 4-year warranty on DC voltage products, and is supported by a technical team available Monday to Friday, 9am–5pm on 01952 370028 or at operations@atomled.co.uk.

• UK stock, not dropshipped: Every IP67 neon flex product listed on this page is held in stock at our Telford warehouse. Orders placed before 2pm on weekdays typically dispatch same day with 1–3 day delivery across mainland UK.
• UV-stable silicone construction: All ATOM LED IP67 neon flex uses professional-grade silicone extrusion — not PVC. This is a deliberate material choice for UK weather performance, UV resistance, and long-term reliability.
• Cut technology: Cut at any marked point without voiding the warranty. No minimum segment lengths, no restrictions on where you cut. This gives installers and DIY buyers complete flexibility on custom run lengths.
• 24V and 48V options: Both voltage options available across the range, with 48V supporting runs up to 50m dual-feed for commercial and large residential projects.
• Technical support from people who know the product: Our Telford-based team answers installation questions, helps with driver sizing, and advises on IP rating selection. Call 01952 370028 or email operations@atomled.co.uk Monday to Friday, 9am–5pm.
• Complete system supply: Neon flex, drivers, controllers, profiles, and accessories — everything for a complete IP67 installation from a single supplier.

Ready to order? Browse the IP67 neon flex range below, or call our technical team on 01952 370028 for advice on product selection, driver sizing, and installation planning. Email operations@atomled.co.uk for written quotations on larger projects. Free UK delivery on 97% of products.

Not sure which IP rating you need? Start with our complete neon flex range to compare IP65, IP67, and IP68 options side by side. For neon flex designed for permanent underwater use, see IP68 submersible neon flex.

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Frequently asked questions about IP67 neon flex

These are the most common questions we receive from buyers and installers about IP67 neon flex in 2026. Every answer is based on real product specifications, UK regulations, and installation experience from our technical team in Telford, Shropshire.

1. Is IP67 neon flex suitable for permanent outdoor use in the UK?

• Yes — IP67 is the minimum recommended rating for any neon flex installed in an exposed outdoor position in the UK.
• Weather handling: IP67 silicone neon flex handles sustained rain, frost cycling down to -20°C, snow accumulation, and ground-level puddle splash without moisture ingress.
• Material requirement: This applies to silicone construction specifically — PVC IP67 neon flex will typically degrade within 1–3 UK winters due to frost cracking and UV yellowing.
• Lifespan: Silicone IP67 neon flex from ATOM LED is expected to last 8–12+ years in typical UK outdoor conditions, based on the LED rated lifespan of 30,000–50,000 hours and the silicone extrusion's resistance to UV and frost cycling.

2. Can I use IP67 neon flex in a shower or bathroom?

• Yes — IP67 meets or exceeds the BS7671 IP requirements for all UK bathroom zones including Zone 0.
• Zone 0 caveat: Zone 0 (inside the bath/shower tray) also requires SELV supply. 24V DC falls within the SELV voltage threshold under BS7671 provided it is supplied from a suitably isolated, safety-rated driver.
• Professional installation: All bathroom electrical work must comply with BS7671 and Part P Building Regulations. Use a qualified electrician for bathroom installations.

3. What is the difference between IP67 and IP68 neon flex?

• IP67 handles temporary immersion (1m depth, 30 minutes) — suitable for rain, splash, frost, and most outdoor/bathroom applications.
• IP68 handles continuous submersion (1m+ depth, indefinitely) — required for ponds, fountains, swimming pool edges, and permanently submerged features.
• Cost difference: IP68 neon flex typically costs 30–50% more than equivalent IP67 products due to the multi-layer encapsulation required for continuous submersion resistance.
• Recommendation: Use IP67 unless the neon flex will be permanently below a water line. For submersion applications, see IP68 neon flex.

4. How long can I run IP67 neon flex from a single power feed?

• 24V: up to 20 metres single feed.
• 48V: up to 30 metres single feed, or 50 metres dual feed (power from both ends).
• Exceeding these distances causes visible voltage drop — dimming and colour temperature shift at the far end of the run.
• Solution for longer runs: Use 48V, or wire multiple shorter runs in parallel back to the driver rather than extending a single series run.

5. Do I need a Waterproof driver for IP67 neon flex?

• For outdoor installations — yes, the driver must also be IP67 rated or housed in a weatherproof enclosure.
• For indoor installations (e.g. bathroom) — an indoor-rated driver mounted outside the wet zones is acceptable, provided cable runs into wet zones use appropriate glands and sealing.
• Driver sizing: Calculate total wattage (watts per metre x total length) and add 20–30% headroom. Browse IP67 outdoor LED power supplies for compatible options.

6. Can I cut IP67 neon flex to a custom length?

• Yes — ATOM LED IP67 neon flex features cut to length at marked intervals, allowing cuts at any marked cut point without voiding the warranty.
• After cutting: The cut end must be resealed with a matched silicone end cap and RTV silicone adhesive before outdoor or wet-area installation.
• Cure time: Allow 24 hours at approximately 20°C for the RTV sealant to cure fully before exposing to moisture.

7. Will IP67 neon flex yellow over time outdoors?

• Silicone IP67 neon flex — no, silicone is inherently UV-stable and resists yellowing for years of continuous outdoor exposure.
• PVC IP67 neon flex — yes, PVC yellows within 12–18 months of UV exposure, reducing light output and changing colour appearance.
• All ATOM LED IP67 neon flex uses UV-stable silicone construction specifically to avoid this problem.

8. Is IP67 neon flex safe to touch when installed outdoors?

• 24V and 48V DC neon flex operates at significantly reduced shock risk compared to mains voltage.
• 24V DC falls within the SELV voltage threshold under BS7671 (120V DC ripple-free maximum), provided it is supplied from a suitably isolated, safety-rated driver. SELV means significantly reduced shock risk under dry conditions — not zero risk.
• Wet conditions change the risk profile: While the silicone extrusion provides physical insulation, all outdoor electrical installations should be protected by appropriate circuit protection (RCD) and installed by a competent person.

9. Can I dim IP67 neon flex?

• Single-colour IP67 neon flex — yes, dimmable using a trailing-edge dimmer or PWM dimmer compatible with the LED driver.
• Avoid leading-edge dimmers: Leading-edge dimmers frequently cause flicker with LED drivers. Switching to a trailing-edge dimmer typically costs approximately £15 and resolves the issue.
• RGB and RGBW IP67 neon flex — requires a dedicated RGB controller, not a standard dimmer. RGB and RGBW must use non-dimmable constant voltage drivers. Dimmable drivers cause flicker, colour shift, and premature failure. Browse LED controllers for compatible options.

10. How do I connect multiple IP67 neon flex runs together?

• Use parallel wiring — feed each run independently back to the driver rather than daisy-chaining in series.
• Series wiring multiplies voltage drop across each subsequent run, causing visible dimming.
• Waterproof connections: Use IP67-rated junction boxes and cable glands at every join. Form drip loops on all cable runs between neon flex and driver to prevent water tracking.
• Maximum total load: Ensure the combined wattage of all parallel runs does not exceed 70–80% of the driver's rated output.

11. What colour temperatures are available in IP67 neon flex?

• Warm white: 2700K–3000K — the most popular choice for residential garden and bathroom installations, producing a soft amber-toned light.
• Natural white: 3500K–4000K — suited to commercial signage and architectural accent where a neutral tone is preferred.
• Cool white: 5000K–6500K — used primarily for commercial and security applications where high-contrast visibility is the priority.
• RGB and RGBW: Colour-changing options available. Note that RGB cannot produce a clean white — it produces a cold violet-tinged white. RGBW solves this with a dedicated white channel for true white output alongside colour mixing.

12. How long does IP67 neon flex last outdoors in the UK?

• LED lifespan: 30,000–50,000 hours to L70 (the point where output drops to 70% of original brightness). At 8 hours daily use, this equates to approximately 10–17 years.
• Silicone extrusion lifespan: UV-stable silicone shows no significant degradation after 10+ years of UK outdoor exposure in laboratory accelerated ageing tests.
• Limiting factor: In most outdoor installations, the driver fails before the neon flex. Budget for driver replacement at approximately 5–8 year intervals. ATOM LED stocks replacement drivers and transformers for all neon flex voltages.

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Related Collections

• complete neon flex range
• IP68 neon flex for submersible installations
• outdoor neon flex range
• neon flex for decking
• IP67 mounting profiles and channels
• weatherproof LED power supplies

Last reviewed: March 2026 — ATOM LED technical team, Telford, Shropshire. Specifications current as of 2026.

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