This line of bonding agents can be applied on any structural surface, from brick walls to silicone-based slabs. Weld-Crete is a time-lapse agent that works on interiors and exteriors. Only one application layer is needed. Plaster-Weld bonds plaster or mortar beds to interior concrete surfaces, and also works on painted surfaces.
Larsen Products Corp. 800-633-6668. www.larsenproducts.com