Due to the closure of 3M Northallerton, this product is now discontinued. Please contact our technical team for a suitable alternative.
3M Scotchkote Poly-Tech 656 is a primer and sealer, for use on asphalt, roofing felt and porous mineral roof surfaces.
Scotchkote 656 Poly-Tech BP Primer, formerly Thortex Poly-Tech BP, is a single pack coating that has been specially manufactured as a primer and sealer, for use on asphalt, felt and porous mineral roof surfaces.
Scotchkote 656 Poly-tech BP Primer is best used in conjunction with Scotchkote EC 661 Poly-Tech Finisher. It offers excellent weathering resistance and resistance to UV light, when applied as part of a roofing protection system.
Scotchkote 656 Poly-tech BP Primer has excellent application characteristics when applied using brush or roller and dries to a translucent blue finish ready to be overcoated after 4 hours. Scotchkote 656 Polytech BP Primer has a theoretical coverage rate of 8m sq. per litre and is available in an 18 litre container.
Surface and Environment
Scotchkote 656 Polytech BP Primer has been specifically developed for application to asphalt, felt and porous mineral roof surfaces, offering excellent protection against bitumen bleed.
- Formerly Thortex Poly-Tech BP
- Offers good application properties by brush and roller
- Good resistance to bitumen bleed
- Excellent adhesion to correctly prepared surfaces
- Translucent blue dolour
- Available in 18 litres (minimum order quantity of 5 units)
- Theoretical Coverage Rate 8 sq. metres per litre at 25 microns dft.