My project has 800 sf of finished stone face, over half of which is fireplace and chimney facing over the block core, the balance is facing over wood-framed walls. Stone will be random horizontal ashlar rubble, with mortared joints. We figure for about 6″ thickness. My thought was to figure tonnage using 75 lbs/sf for stone, plus 10 percent, thus a ton will cover 2000 / (75 + 10%) or 24 sf / ton. Do I sound like I am in the ball park? With my figures, I may need 34 tons of stone. What kind of stone cost range might I see, per ton?
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GEne,
Sounds like you are in the ball park though I would figure about a 4" thickness not 6. The quarry wher you are buying should be able to give you a fairly accurate estimate of what their stone weighs vs what it will cover. Remember to add some sq.ft. to account for the problem of needing to have some stone to pick from as you get down near the end of the job. You can't lay random stone right down to the last piece, you've got to have enough to pick appropriate shapes from(kind of like a jigsaw puzzle). There is a local quarry (northeastern OH) that sells nice sandstone already palletized for 90 bucks a pallet. A pallet is equal to roughly a ton of their stone. They also sell it for 70 dollars a ton if you want to go into the quarry and pick it out/load it yourself. I've used it on a couple of jobs and it is nice stuff. If you live within a reasonable distance I'm sure you could have some shipped to you on a flatbed tractor trailer for 7 to 8 hundred bucks (400 to 500 mile radius). Whatever you do try to get stuff with square edges(I'm referring to square to the face of the stone). A lot of times suppliers send out stone that is wedge shaped in thickness and that makes it a real pain to lay. Use some concrete sand for the mortar as it is slightly more coarse than mason sand and makes laying the stone a little easier. If you are interested in the quarry I mentioned let me know and I'll get you their name/phone number.
Mark
I don't think that you mentioned the type of stone. Granite or limestone is about 170 lbs per cu. ft. solid and about 100 lbs per cu. ft broken and sandstone is about 145 lbs per cu. ft. solid vs. 95 lbs broken.
cost is relative to you local market.
Gabe
My local quarry just gave me these figures.
figure 1.75 tons to the yard. Calculate as you would for concrete.
We'll see.
Tom