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.
The manufacturers data sheets are available for download from this website. It is your responsibility to read and understand all aspects of the data sheets before you place an order and prior to application. Please pay special attention to the preparation, mixing and application temperatures of the product, cleaning of substrate and environmental factors such as temperature, rain etc. Quoted coverage rates are based on the manufacturers theoretical rates and may vary depending upon substrates absorption, texture and application. We always recommend a test is carried out to ensure suitability.
Customer further agrees that Promain have no liability for any errors or omissions contained within the Product Data Sheets and are not liable for failure due to misapplication or inadequate substrate cleaning and preparation. For more information please refer to our Terms & Conditions.