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GRP Flat Roof Kits

£325.20 £271.00

GRP Flat Roof Kits for extensions where the front edge has a gutter and the back edge is adjoining a house wall. 

In stock
In Stock

GRP Flat Roof Kit

This GRP Flat Roof Kit is easy to install, looks great and comes with a 25 Year Manufacturers Guarantee. GRP stands for Glass Reinforced Polyester.  GRP is also known as Glass-Fibre. This system is cold applied on site, giving it a seamless and flexible weatherproof finish that resists water, heat and frost. The resulting surface gives a strong architectural finish that looks very impressive. If maintained properly it will last as long as the building stands.

Our GRP Roof Kits include all the essentials for a complete installation. The trims are also included as part of the kit. For a detailed breakdown of what is included in the kit please look further down the page. 

Colour: Lead Colour

Used For: This GRP Roof Kit can be used for a garage, extension, or porch where the roof is joined to a wall. 

Advantages Of GRP:

  • Cold applied - No heat required 
  • Easy to form around complex situations 
  • Very durable - resists heavy foot traffic
  • Non slip walkways can be incorporated 
  • Class leading roofing method that far exeeds traditional methods 
  • Virtually maintenance free 
  • Impact resistant due to it's ultra hard finish 
  • Fire retardant 
  • Highly economical 

Included in Kit:

  • - Top Coat
  • - 450gsm Chopped Strand Matting 
  • - Resin For Chopped Strand Matting 
  • -  Hardener 
  • - 75mm Bandage For Butt Joints 
  • - Acetone 
  • - PU Sealant 
  • - Clout Nails 
  • - Gutter Trim For Front Edge 
  • - Kerb Trims For Each Short Side 
  • - Wall Flashing Trim
  • - Wall Fillet Trim



Technical Details
More Information
SKU PG-Kit-Flat
Weight 50.0000
Stock Type N/A
Brand Name Cromar
Length (meters) No
Width No
Depth (Width) No
Delivery Lead Time No
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Questions & Answers (5)
Customer Questions
How Long Does a GRP Fibreglass roof Last?

If Installed Correctly a Fibreglass roof has a typical life expectancy in access of 35yrs 

What Surface can a Fibreglass roof be Installed onto.

Fibreglass roofs must always be laid onto new and dry OSB3 boards. For best results we recommend using tongue and groove boards.

Can I Walk on a fibreglass roof?

Yes. Fibreglass is a very tough and durable material. This means walking on your roof shouldn't affect the integrity of the roof 

Does if have to be dry for me to install a Fibreglass Roof?

Yes, Never Attempt to install a Fibreglass Roof onto wet or damp boards.

What is the minimal temperature i can install a Fibreglass roof in?

The minmum temperature for installing a fibreglass roof is 5 degrees C. 

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