[header] How to seam granite [title] Ensure that all the granite edges are smooth and straight and line up properly before you seam granite. [step] If the seams don't line up properly or are rough, remedy the problem. Don't grout your granite until you're happy with the edges and fit. 
[title] Apply masking tape along the edges of the two pieces that you're seaming. [step] Some epoxies claim that they don't stick to polished granite, meaning you shouldn't need tape.