Silpro’s Weld-O-Bond is a bonding coat specifically formulated for bonding portland cement mixes to interior or exterior concrete, or for bonding masonry surfaces and gypsum surfaces to interior concrete, masonry, and/or plaster surfaces. Weld-O-Bond can be used with Silpro Concrete Finish, California Stucco, Easy Patch, or VO Patch. Weld-O-Bond will help these products bond to concrete or masonry walls.
Other Properties of Weld-O-Bond:
Bonds new concrete and plaster to compatible surfaces.
Bonds to old or new concrete, brick, stone, tile, drywall, wood, marble, concrete block, or rigid polystyrene foam insulation.
Can be applied over damp or dry surface, as well as green concrete.
Increases working time of mortars by reducing water absorption on porous surfaces.
Not affected by weather once it is covered.