15m2 Fibreglass Roofing Kits 450g

GRP ROOF KITS

Top Question's answered by our GRP experts 

Q. What is a 450g Fibreglass Roofing Kit?

A. 450g is simply the grams per Square metre of matting, Or 1.5 Ounches per Square metre. 

Q. Can I walk on the Roof when its complete?

A. GRP Roofs are rock solid when cured, Foof traffic is permited for general maintenance such as cleaning or access to roof windows for example.

Q. Whats included? 

A. The kit would include Resins, Topcoats, Hardeners (winter grade if its below 5 degrees) Matting, Bandage for the trims, user guides via email.

Top tip! Add a kiln dried sand to the topcoat for a nonslip finish!


Our 450g GRP Roofing kits can be used for lots of different applications such as Garages, Valleys, Extensions, Bay windows or even Dormer roofs.

 We specify using 18mm OSB Tongue & Groove Boards, this eliminates the need to purchase additional bandage for the joints and Resin when using a square edge board. Resin for priming would be 0.3kg per m2.

Note* Ply will require sanding with 40 grade sand paper and additional Resin for sealing and priming for secondry bonding to be effective.

This Fibreglass system is easy to use and will out last many other flat roofing systems on the market.

All our GRP roofing systems carry the same waterproofing capabilities, some systems have upgraded properties such a material warranties if your an approved installer or Fire rated characteristics. 

How to fibreglass a roof guides can be found in the how to section of our website. 

Click on the kit images to find out whats included


Need a heavy duty roof kit?

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* Price Excludes VAT unless otherwise selected
  1. 15 Square Metre 450g Fibreglass Roof Kit Dark Grey
    £168.05 £140.04
    • Polyester Roofing Resin & Topcoat
    • 450g/m² Fibreglass chopped strand matting.
    • 50m by 75mm woven tape to bandage your trims to the deck.
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  2. 15m2 450g Fibreglass Roof Kit LG95 Grey
    £168.05 £140.04
    • Polyester Roofing Resin & Topcoat
    • 450g/m² Fibreglass chopped strand matting.
    • 50m by 75mm woven tape to bandage your trims to the deck.
    See More
  3. 15m2 450g Fibreglass Roof Kit TopFast White
    £182.99 £152.49
    • Polyester Roofing Resin & Topcoat
    • 450g/m² Fibreglass chopped strand matting.
    • 50m by 75mm woven tape to bandage your trims to the deck.
    See More
  4. 15m2 450g Fibreglass Roof Kit TopFast Super Black
    £211.72 £176.43
    • Polyester Roofing Resin & Topcoat
    • 450g/m² Fibreglass chopped strand matting.
    • 50m by 75mm woven tape to bandage your trims to the deck.
    See More
  5. 15m2 450g Fibreglass Roof Kit Bespoke Colour
    £235.72 £196.43
    • Polyester Roofing Resin & Topcoat
    • Colour Subject To Stock - Delivery Times Vary
    • 450g/m² Fibreglass chopped strand matting.
    • 50m by 75mm woven tape to bandage your trims to the deck.
    See More

5 Items

per page
Set Descending Direction