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2.5kg TriRoof Premium Flexible Roofing Resin & Catalyst

In stock
£35.39 £29.49

TriRoof Premium Flexible Roofing Resin. This helps the roof to withstand thermal expansion/contraction variations, slight movement in roof flexing due to people walking on it and slight movement in roof alignment due to settling.


  • 1 x 2.5kg Roofing Resin  
  • 1 x 50ml catalyst  

TriRoof Premium Flexible Roofing Resin. This polyester resin helps your roof to withstand thermal expansion/contraction variations. It will also provide flexibility for slight movement in roof flexing from people walking on it and slight movement in roof alignment due to settling.

This Flexible Roofing Resin is provided as standard in our Premium range of Fibreglass Roofing Kits. Catalyst addition is 2% based on a room temperature of 20 degrees. 

How to laminate a GRP / Fibreglass Roof



H315 - Causes skin irritation

H319 - Causes serious eye irritation

H335 - May cause respiratory irritation

H361d - Suspected of damaging the unborn child

H372 - Causes damage to organs through prolonged or repeated exposure if inhaled

H412 - Harmful to aquatic life with long lasting effects

H226 - Flammable liquid and vapour


EUH208 - Contains phthalic anhydride, cobalt octoate. May produce an allergic reaction

TriRoof Health and Safety

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The shelf life of Catalyst is approximately 6 months. It is important that the catalyst is stored in its original packaging in a cool, dry location away from sunlight. As Catalyst is an extremely flammable chemical, it is important to refer to MSDS and TDS sheets before use.
This depends on the temperature of your working conditions and how much catalyst has been incorporated into the mix. Warmer temperatures will reduce your curing time and colder temperatures will increase the length of cure.  Likewise, adding extra catalyst will speed up the curing process - often necessary for colder temperatures and reducing catalyst will reduce curing - again often necessary during warmer temperatures. We would recommend mixing no more than 1.5 - 2kg at a time. Once the resin and catalyst are mixed, the curing process will begin and you are working against the clock to get the resin applied - usually no more than 20 minutes. Only mix as much as you need.  Epoxy Resin is mixed on a ratio basis and should not be altered. Room temperature is the ideal scenario for curing. Each resin type will differ so we would always recommend referring to the MSDS and TDS available on each product listing before use.  Although some resins may be hard to the touch after 24 hours, some may not be fully cured for up to 3 days. Again, this information will be available on the product Technical Data Sheet... Read more
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