Heavy-Duty Silicone

Seal abnormal or difficult roof features with ease using Countryman Coatings Heavy-Duty Silicone, a 100% Silicone, extra thick, silicone sealant. Countryman Coatings Heavy-Duty Silicone is a great prep tool prior to coating the field of the roof and is also a great tool to maintain your roof after installing a silicone roof coating. Application Heavy-Duty Silicone can be applied on vertical surfaces or the underside of horizontal surfaces without dripping or sagging. Apply with a thick brush, putty knife, or trowel to achieve a completely waterproof seal on seams, flashings, edges, seams, and penetrations without a mess.