Gunther Extra Build Mirror Mastic - For build out & uneven surfaces
Ideal for uneven surfaces or when you have to build out 1 mirror to meet another. Also great for large mirror applications. If you are just putting mirror up on a semi even surface such as a back splash you want to buy Gunther Ultra Bond.
Builds Out to 2-1/2" (63.5 mm) without Sag
Ideal for Large Mirrored Walls and Uneven Surfaces