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0 votes

Radiant floor heating problem

Problem solved. Defective thermostat.
TheThump's user avatar
0 votes

Hardie Board Subfloor—Thinset or No?

Floors are usually uneven upstairs. If you do not put thin set under the backer board, your tiles will start to break loose within the year.
user184557's user avatar
0 votes

Open system radiant floor heating

An "open" radiant system uses potable water rated tubing (and stainless-steel/bronze pumps) and the same water heater to supply heat for domestic hot water and radiant floor hot water. The ...
Ecnerwal's user avatar
  • 210k
0 votes
Accepted

How can I level an existing vinyl sunroom?

I do believe your patio slope is pretty extreme. Normally, an outdoor surface is sloped at 1/8" or 1/4" per foot for drainage. For a 10' run, that would give you a drop of 1-1/4" to 2-1/...
FreeMan's user avatar
  • 47k
0 votes

Can my floor hold 2100 lbs of dead load?

caveat: me be mechanical, but not structural, engineer. Even more worrisome: my bass-reflex speaker box hobby. 3 corners of your booth are on foundation walls; check that allowed compression load at ...
parmstr's user avatar
  • 11
4 votes

What are the hard bumps/lumps on my shower floor?

There are really only two things it can be--delamination of the surface layer or bulges from pressure on the underside. Press on them to see if they flex like bubbles. If so, that would indicate a ...
isherwood's user avatar
  • 135k
1 vote

Is there a drawback to underlayment between multiple layers of subfloor?

I always go to tiling sources for subfloor details. If you look at the specs for span rated plywood, you'll discover that it has the typical L/360 deflection limit, but they use 100 psf instead of the ...
popham's user avatar
  • 8,904
2 votes

Can a 1950s floor furnace be removed from below (crawl space)?

Given that the furnace is abandoned there's no need to remove it in an intact or functional condition! Feel free to disassemble it. A quick way to partially collapse a furnace which has a side-entry ...
Greg Hill's user avatar
  • 30.4k
1 vote

What finish can I put on my pallet floor to fill cracks?

As I have actually used pallet wood as my entire house's flooring. Save the wood shavings from cutting the wood, and mix it with a wood glue and mix in the shavings. There is actually a brand that ...
Amanda Nash's user avatar
1 vote

Floor Beam Supports

That area looks outside the home's thermal envelope, in which case there should be footings below the frost line. If you have a shallow frost line such that a slab on grade or mat foundation at grade ...
popham's user avatar
  • 8,904
1 vote

How do I repair a floor joist which has a hole drilled less than 2 inches from the bottom?

Those holes are effectively notches. If they're in the middle third of the span, then the notches are out of conformance with the IRC. If they're outside the middle third of the span, then the maximum ...
popham's user avatar
  • 8,904
2 votes

Can anyone tell if this floor joist damage was from termites or wood rot?

If it was carpenter ants, there would have been frass ejected from the wood and dead ants inside. Frass looks like small bits of wood, a little like fine saw-dust but slightly rounded. Dead ants ...
aquaticapetheory's user avatar
8 votes

to address a hump in hardwood floor or not

Pretty much depends on how much you like extensively tearing an old house apart to try to make it like new .vs. your tolerance for "character" like a hump in the floor. I've lived in plenty ...
Ecnerwal's user avatar
  • 210k
1 vote

Can anyone tell if this floor joist damage was from termites or wood rot?

Agree that it is moisture causing problem. Question is why? The plastic is a good idea and it is imagined that there has been a lot of water and humidity issues. The installers did not seal the ...
Matt's user avatar
  • 11
15 votes

Can anyone tell if this floor joist damage was from termites or wood rot?

The black color indicates wood rot caused by moisture. Termites would be dry and the wood would be the same color with tubes eaten through the center.
RMDman's user avatar
  • 27k
6 votes

Can anyone tell if this floor joist damage was from termites or wood rot?

If the wood is damp then its likely to be wood rot. If there is wood-dust (sawdust) around, then it is probably termites. Feel the timber and around that joist/beam with your hand to see if its damp. ...
Rohit Gupta's user avatar
  • 6,089
1 vote

Does tar need to be removed from concrete before an overlay is poured?

Don't worry about doing anything special with the existing cracks. Tar on the floor suggests oily contamination that could prevent the new concrete from bonding with the old concrete even after the ...
popham's user avatar
  • 8,904
1 vote

Could a new roof type exacerbate basement floor cracking?

A metal roof shedding snow unlike an alternative roof type could cascade into slab cracking in a basement. Poorly installed gutters is also plausible. Any water source. Expansive soil grows when it ...
popham's user avatar
  • 8,904
2 votes

Could a new roof type exacerbate basement floor cracking?

All basement slabs crack. It's just a matter of where and whether adequate control joints were installed to prevent random cracking. You shouldn't really see seasonal movement, though. Yes, additional ...
isherwood's user avatar
  • 135k
0 votes

Hardie Board Subfloor—Thinset or No?

The thinset always go under Hardie or any rockboard. Use a 1/4 trowel and spread a consistant thin layer. This is designed to fill in any low spots and helps create a solid layer when bonded to the ...
Shawn's user avatar
  • 1

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