What is the proper procedure to seam granite countertops?

[morganp]

What is the proper procedure to seam granite countertops? I have purchased knife grade Instant Install Epoxy and Stoneweld Black reactive coloring to match the black galaxy granite. Should I leave a small gap and force the epoxy in, or should I apply the epoxy to the edge and squeeze the two slabs together? I saw on DIY TV where they mask the edges of the seam before applying the adhesive but I think the Instant Install is not supposed to stick to polished surfaces. They used a device called SeamStone in a cordless drill to polish the seam. What method/products would you recommend?
One of the Amish workers moved the island while I was away and broke it completely in two. How would you recommend repairing this? I thought I would just treat it as a seam and use Instant Install epoxy in the crack.
I REALLY appreciate any advice!

[Mark D.]

Here's how to do it:
Dry fit the counter pieces and ensure they are on the same slab (use the reflections to check).
Move the easier to move piece out a couple of inches.
Using a putty knife or some similar tool butter the inside edge on one of the pieces you are seaming.
Move other slab back into place, checking again to make sure they are still on same plane.
This is the basics of seams.

The masking tape is for the topcoat when you mix the color into the glue. It forms a well which allows you to apply the topcoat over the seam. then you remove the masking tape and scrape off with a razor blade. You can still do this with Instant Install. Even though it does not stick to polished surfaces it will contain the application which makes finishing it faster and cleanup easier (just rip off the tape and most of the excess glue goes with it).

This glue does dry with a shine, but if you want it shinier try buffing it with extra fine steel wool.

On the broker part you can repair it the same way - when the Instant Install cures it will form a bond that is harder than the granite!

Mark