GRP ROOF LIGHTS
GRP Roof Lights provide natural lighting throughout a building, allowing light to come through the roof!

PHOENIX STEELS GRP ROOF LIGHTS
Price on enquiry
/ mm
GRP (Glass Reinforced Plastic) roof lights are translucent fiberglass sheets designed to bring natural daylight into buildings, seamlessly integrating with Phoenix Steels’ profiled steel sheeting.
Ideal for projects from large agricultural structures to small canopies, they offer an 80% diffused light transmission rate for even, glare-free illumination.
Available in stock lengths from 6 ft to 24 ft, with custom cutting and longer lengths on request, these lightweight sheets come in profiles matching Box Profile (e.g., 32/1000, 1000mm cover) and 3″ Corrugated (763mm cover), ensuring a perfect fit for diverse roofing needs.
All products are made to measure and tailored to your order!
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GRP ROOFING LIGHTS
Product Description
How Do GRP Roof Light Sheets Work?
GRP roof light sheets are translucent roofing panels that enhance natural lighting while maintaining structural integrity and weather resistance. Their key mechanisms include:
- Light Transmission:
- Diffuse daylight at an 80% transmission rate evenly spreads light to reduce glare and hot spots and create a comfortable indoor environment.
- Ideal for reducing reliance on artificial lighting and lowering energy costs.
- Structural Compatibility:
- Designed to interlock with Phoenix Steels’ steel roofing sheets, ensuring a watertight and aesthetically cohesive roof system. For example, the 32/1000 GRP profile matches the Box Profile 32/1000 sheet, with a 132mm trough and two 25mm ribs.
- Available in single, double, or triple-skin configurations for varying insulation and safety needs.
- Installation:
- Lightweight (e.g., 2.4kg/m² for some profiles) and easy to handle, reducing installation time and labour costs.
- Fixed using specialized fasteners, such as Phoenix Steels’ tek fixings with 8mm hexagon heads, water safe washers, and colour-coded caps for a secure, leak-proof fit.
- Can be cut to size on-site or pre-cut by Phoenix Steels for precise fitting.
- Protection and Maintenance:
- Coated with an anti-fade, UV-resistant layer to prevent yellowing or degradation from sunlight exposure, preserving the sheet’s appearance and longevity.
- Chemical-resistant and cleanable with detergents or steam, though chemical residues should be washed off to maintain the sheet’s lifespan.
The roof lights range from class 1 to class 3 surface spread flame achieving a SAA rating from BS-476:1997 to BS-476-3:2004.
GRP ROOF SHEET SPECIFICATIONS
Application | Roof or Wall (Horizontal or Vertical) |
External Finish: | Translucent GRP glass fibre |
Internal Finish: | Translucent GRP glass fibre |
External Face: | 33/1000, 32/1000, 19/1000, 26/1000, 13/3 corrugated & the Big 6 |
Standard Width: | 1000mm when lapped |
Available Lengths | 6ft to 24ft |
Minimum Pitch: | 5 degrees |
Gauge Thickness: | 2.4mm |
Weight: | 2.6kg/m2 |
AVAILABLE PROFILES
- GRP 3" Corrugated
- GRP 19-1000
- GRP 26-1000
- GRP Ribbed 32-1000
- GRP R 32-1000
- GRP R 33-1000
- GRP Ribbed 33-1000
- The Big 6
Contact Us
At Phoenix Steels, we blend British manufacturing expertise with efficient UK-wide delivery. We produce and supply an extensive range of corrugated roofing sheets. For our best prices, contact us at 0121 707 0165 or email sales@phoenixsteels.com, and we’ll respond promptly.