Silpro Weld-O-Bond™ Bonding Coat is specifically formulated for bonding Portland cement mixes to interior or exterior concrete or masonry surfaces and gypsum mixes to interior concrete, masonry, or plaster surfaces. Use Weld-O-Bond ™ to bond Silpro Concrete Finish™, California Stucco™ , Easy Patch™ or VO Patch® to concrete or masonry walls.
- 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
- May be applied over damp or dry surfaces, as well as “green” concrete
- Increases working time of mortars by reducing water absorption on porous surfaces
- Not affected by weather once covered