SwellSeal® Mastics and SwellSeal® Mastic WA are easy to apply, solvent free hydro-swelling mastics applied with a standard hand or pneumatic caulking gun.

SwellSeal® Mastics have excellent adhesion to all common building and construction materials and can be applied on complex shapes without problem. 

SwellSeal® Mastic WA can be used in water or underwater applications if the concrete pour is made within 6 hours after application of SwellSeal® Mastic WA.

Download the SwellSeal® Mastic pdf or SwellSeal® Mastic WA pdf for more information.