AT101 is a primer used to improve the adhesion of weathertight sealants to porous substrates.
AT101 improves the adhesion of weathertight sealants onto various porous substrates. It is recommended that in order to ensure satisfactory adhesion, a test area is checked prior to proceeding with the complete application. Depth of Joint (mm) / Coverage on Slightly Porous Substrates (m)/ Coverage on Highly Porous Substrates (m) 3-5 /700/ 250 6-10 / 350 / 130 12-15 / 190 / 70
