*3M Scotchkote Poly-Tech LS 657

This product is now discontinued. Formerly Thortex Seal-Tech LS.
Out of stock
Product Description

Due to the closure of 3M Northallerton, this product is now discontinued. Please contact our technical team for a suitable alternative.

Scotchkote LS 657 Poly-Tech, formerly, Thortex Seal-Tech LS, is a solid performing, solvent-based, acrylic coating, available in black and mid-grey, specifically developed to provide an economical waterproofing solution for use on most types of roofs.

Best Uses

Scotchkote LS 657 Poly-Tech can be applied even at low temperatures and offers a minimum of 5 years water protection. This great product offers outstanding weatherproofing properties and works to protect the surface and building internals during adverse weather periods.


Scotchkote LS 657 Poly-Tech can be applied even in wet, cold conditions using a brush or roller and is touch dry after 24 hours under normal conditions of approximately 20 degrees Celsius.

Surface and Environment

Scotchkote LS 657 Poly-Tech can be applied to most roofing surfaces without the use of a primer and is ideal for providing protection even through the `wettest

Technical Details
  • Combines good application characteristics with fast drying capabilities.
  • Can be applied to most surfaces without use of a primer.
  • Outstanding weatherproofing and waterproofing properties.
  • Provides a minimum of 5 years protection.
  • Overcoat time: 24 hours.
  • Can be applied in all weather conditions including falling rain, even in temperatures down to 0° C