masonary rock wall


Old 03-04-01, 08:15 PM
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My husband and I are planning to install fabricated rock on a L shaped wall behind our wood burning stove. The stove is on an 8" platform to maximize heat distribution. The platform is made of 3/4" plywood which is heavily reinforced by 2x8's. The walls are 7'x10' and 7'x3'.The hearth is 10'x3'x8". We have already attached the metal mesh and applied the 1st 1/4" coat of mortar. The stone we have purchased is a mixture of sizes and thickness. The maximum thickness is about 2-21/2 inches. The hearthstone is 2'x2'x2".
The application of the mortar was messier and more difficult than we anticiapated (we are living in the house-not new construction.) A friend has told us we can save some of the mess if we use liquid-nail to attach the rock. He used it to cover the pillars on his patio and it worked for him. His has held up through extreme heat and cold.
What do you think of the idea? What tips can you give us. Once the rocks are in place we plan to grout with masonary grout and then coat that with a thin color grout. Then we will apply a sealer to all.
Can you tell us tips for the corners: ie; rock placement, should we complete one wall , including grout, before doing the other, or how do you compensate for the irregularities of the rock ?
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Old 03-05-01, 04:11 AM
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Hi web on web,
I am going to move this thread over to the "Brick and Masonary" Forum and the "Fireplace" Forum they will be able to give you better information over there than we can over here OK?

Rich Gately (Tileman1)
Old 03-06-01, 12:39 AM
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If the hawk and trowel and back buttering has got you down you can use liquid nails. But make sure you obtain the right version. See: Masonry supplies carry similar products also.

When working with random sizes it's best to try to keep the patten random and use all sizes of the stone throughout the lay up. Patterning is very difficult unless it's worked out in advance and you know for a fact that you won't be short on one size. Bunching up similar sizes looks like patch quilt work when it's finished.

Start in an upper corner and work across and down the wall. If you follow a random lay up the corners will fall into place with little or no cutting. Complete the whole thing then grout. One advantage of back buttering with mortar is being able to make slight adjustments in thickness more easily than with adhesives.

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