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Seems to be a lot of debate on this, I need to raise the slate about 2in so i was planning on using tapcons to attach either 5/8" advantec or 1/2in hardibacker through 1 inch xps into the slab with slate on top, also looking to eliminate condensation so using the xps would work for that too...

Dana, the Advantech isnt a vapor barrier of any type due the the water resistant is it? won't cause any issues in my stackup? Also, i read in an earlier post (sorry, for not responding to that one but it was old) you stated "By contrast polyisocynurate is downright WIMPY when it comes to...

Hi, I know about the Wedi and kerdi board but was looking for a lower cost alternative to creating a thermal break between a concrete slab an a slate floor I have a total of about 2 inchs to play with 1/2" of that would be the slate and morter. Can you use XPS or poly iso with Backer board or...

dana, if i use advantc 5/8 t&g with 3/8" hardwood and 1" poly iso i would be at around r7.5 and only have a 1.5" transitions do you think that would be robust? i think the thermomax brand poly iso is 25psi. also slab appears to be very dry, i think the overpour ontop of poly must have done...

thanks Dana, so will using .5, .75 or 1" polyiso under 5/8" or 3/4" ply (any combo) eliminate condensaton problems? if so which ones. also do i screw( can i powernail?) the sibfloor to the slab, or can it float thanks for your help, mark

Dana, Do you see any value in adding "quiet walk" type underlayment? I was thinking that it would add a tiny bit of comfort without any real height, they say a .5R plus might deaden some sound. Is it worth doing the Iso? is the trade of rvalue/psi worth it? or just do XPS, my main...

Hi, house is slabish on grade, built into a hill so the back wall has about 6' of dirt against it. looking to install hardwood on a slab (on grade) here is what i am thinking of doing: 6-15mil poly > 1/2" poly iso > 5/8" Plywood (or osb?) > Insulayment or Quiet floor (has vapor barrier)...

Just one pipe entering tank.

I am not sure, it is a newer tank, pump (5 years) put in before I bought the house. I did find 30-40 20' long galvinized pipes in the woods, I figure that was from the old system cause our well is drilled to 800' and I think in the 60's they wouldnt of had plastic pipe that could handle the...

Should there be a check valve at the well? before the tee? or are you saying that there sould not be a checkvalve in the whole system? Also should the tee be brass, stainless or plastic - does it matter? and is it ok to use stainless steel hose clamps (with the screw) or should it be...

Hi, I currently have a well that feeds a house and will be adding a freestanding garage that I would like to add water to. Can I simply add a tee fitting at the water pipe exiting the well? or is it more complicated than that. In the house it goes like this: line comes into house, then check...