I just picked up a 3'x4'x1" piece of flagstone to go under my regency wood stove. My house is under construction right now so i was planning on placing the stone on the subfloor but i have been advised the stone could crack under the weight of the wood stove. Are there any foam products i could put under the stone to evenly distribute the weight?
Placing 3'x4'x1" flagstone hearth pad
- Thread starter nthnallen08
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It's not the weight of the stove that may crack it. It's an uneveness or flexing under the slab that concentrates the weight on a less supported low spot. Make sure the subfloor is well supported so that there is no flexing of the subfloor under the stove. Then the slab could be bedded in a generous amount of silicone for cushioning and support. Or put down a sheet of plywood or cement board, then lay down a thick layer of bedding compound like latex modified thinset troweled with a 1/4" notched trowel and set the stone on that.
Bad LP
Minister of Fire
Block the framing below as well as what was said already. In short treat the floor as you would for large size ceramic tiles.
Woodsplitter67
Minister of Fire
this is one of the major disadvantages of flagstone. Its really uneven. Both top and bottom. Im going to be unpopular and say your going to be better off choosing a different material.. not trying to be a bummer.. pick something a little easier to work with thats probably not going to crack a couple year's down the line..
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