Reply by Alexander

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Posted on Gluing granite to wood

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193 posts in 3136 days

#1 posted 02-13-2010 10:01 AM

I installed granite in my new home for kitchen counter tops.

If the granite is installed on a floor were it will be walked on then 1/4” cement board should be placed on a solid sub floor.

If the garnite ( marble or tile) is installed on a counter top the cement board in not needed. The counter top should be plywood not saw dust board.

I used thin set to install all my counters and floor applications ( 9 different places). The thin set is installed with a trowel using groves as per the instructions on the bag. The granite or marble will be pressed down into the thin set to make it level. The trowel groves give space for the thin set to move. To much thin set will come up through the joints and require cleaning out ( a lot of work)

It is a little hard to get the granite or marble level with the next one and one trick is to place the spacers below the edge of the granite or marble and then place a piece of 3/4 plywood on the granite or marble. Then take a rubber hammer and tap around the plywood with the idea of tapping the pylwood as a means of leveling all of the pieces at the same time. I did not do that and I found as I was adjusting one meeting of 4 corners I was lifting the other ends of the granite or marble. Use of a level or other true edgetool will help to get them level. A counter or table top is not as bad as a entry that will be walked on as if a edge of marble is to high it could trip someone.

Hope this helps.

-- John at Sugarloft Mountain........Don't argue with an idiot; people watching may not be able to tell the difference.

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