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TriRoof All Substrates Primer - 5KG

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You may have tried the rest, but now try the best Flexible Roof Overlay System on the market. - Seals in any problematic substrates such as uncured bitumen, solar reflective paint and silicone - Easy to apply & air free - Excellent cure at low temperatures and film levelling characteristics
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You may have tried the rest, but now try the best Flexible Roof Overlay System on the market.
The TriRoof MultiFlex Primer is used in conjunction with our TriRoof MultiFlex Resin or HPX overlay systems. Better still, no need for various primers - this primer is great for 90% of substrates. Coverage is 8-12 sqm per 5kg tin (substrate dependent) Gel time < 15 minutes. Ready to lay < 24 minutes. The MultiFlex Primer requires a BPO paste to catalyse.

Size5kg
MaterialResin
ColourWhite
BrandTriRoof
EAN Number5391519122723
Fire tested to BS 476-3 Rating: F.AA and EN 13501-5(4)

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Frequently asked Questions

Eurocell fascia boards are designed to be user-friendly for confident DIYers. However, because installation involves working at height and ensuring proper integration with guttering and soffits, many customers choose a professional installer for safety and the best results. Read our installation guide to learn more and check the documentation for each product to ensure manufacturer guidelines are followed. 

Our uPVC fascia boards can last 20-30 years. They’re resistant to rot, warping, and weather damage, and require minimal upkeep. For your peace of mind, we offer a 20-year guarantee against cracking, warping or discolouration.

To measure for fascia boards, simply measure the length of the roof edge where the boards will be fitted. For full replacement, also measure the height from the bottom of the rafters to just under the roof tiles. Don’t forget to account for joins, corners, and end caps, and it's always smart to add a little extra to allow for cuts and adjustments.

Capping boards (also known as ‘cap-over’ boards) are thinner and designed to be fitted over existing timber fascias that are still in good condition. Full replacement fascia boards are thicker, stronger, and used when replacing old timber completely. If the existing timber is damaged or rotting, full replacement is the way to go.