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The GSE Rooflex Grey 330 Waterproofing Strip is a high-quality, 5-metre solution designed to provide enhanced waterproofing for in-roof solar PV installations. Crafted for compatibility with GSE in-roof mounting systems, this waterproofing strip delivers reliable protection against water ingress, helping to safeguard your solar installation and roof structure. With a sleek grey finish, the Rooflex strip integrates seamlessly with most roofing materials, providing effective weatherproofing without compromising on aesthetics.

This waterproofing strip is essential for creating a robust and weather-resistant barrier, allowing for a long-lasting, low-maintenance solar installation.

Reliable Waterproofing for In-Roof Solar Panels

  • High-Quality Seal: Prevents water ingress, protecting both solar panels and roof
  • Weather-Resistant Material: Built to withstand harsh UK weather, from heavy rain to intense sun exposure
  • Ideal for In-Roof Systems: Specially designed to integrate with GSE in-roof solar mounting systems for optimal compatibility

Easy to Apply & Durable

  • 5-Metre Length: Provides ample coverage for a range of in-roof PV installations
  • Flexible Application: Easily adjustable and conformable to different roofing surfaces
  • Long-Lasting Performance: Engineered for durability and resistance to UV, moisture, and temperature changes

Technical Specifications

  • Length: 5 metres
  • Colour: Grey, designed to blend seamlessly with most roofing materials
  • Waterproofing Grade: High-performance, tested for durability against UK weather conditions
  • Compatibility: Designed for use with GSE in-roof solar PV mounting systems
  • Material: Premium-grade waterproofing material with excellent adhesion and flexibility

Why Choose the GSE Rooflex Grey 330 Waterproofing Strip?

The GSE Rooflex Grey 330 Waterproofing Strip provides essential protection for in-roof solar installations, ensuring long-term durability and reliability. With its easy application and strong weatherproofing properties, this strip is an invaluable addition to any in-roof solar setup, keeping installations dry and secure. Achieve peace of mind with a durable, weather-resistant solution that enhances the longevity and safety of your solar investment.

No data sheets or downloads available for this product.

Delivery options

  • Standard parcel delivery — tracked courier, typically 1–2 working days to UK mainland. Ideal for chargers, accessories and smaller solar components.
  • Pallet delivery — for bulkier items such as multi‑panel solar kits or commercial chargers. Typically 2–3 working days, kerbside as standard; 24/48‑hour services on request.
  • Collection — collect from our Oxfordshire distribution hub by appointment. Please contact us before travelling so we can confirm stock is ready.

Lead times

We dispatch Monday to Friday (excluding bank holidays). Stocked items ordered before our warehouse cut‑off are dispatched same day where services allow. Back‑order items are clearly flagged with estimated lead times. Exact services and pricing are confirmed at checkout.

Delivery area

UK mainland addresses only. We are unable to ship to Northern Ireland, Republic of Ireland, Isle of Wight, Isle of Man or the Channel Islands. Please report any damages or shortages within 48 hours of delivery.

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Open online pricing is available, but if you need account support, branch collection, project quantities or renewables supply help, start a trade conversation with LAMPS.

Trusted by LAMPS customers

5.0 out of 5 66+ customer reviews

"I recently ordered a SolarEdge Home Wave SE3680 inverter and compatible wifi antenna to replace a faulty older inverter. Good price, quick delivery and excellent customer service."

"Excellent support when choosing solar inverters and ancillaries. LAMPS made it easy to get the right kit delivered to site on time."

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