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2answers
574 views

How to fill / seal in-slab hvac ductwork?

My house is built on a slab. Within the slab are "channels" which act as ducts for the HVAC system. I assume it is partially lined with metal but based on photos from an HVAC-cleaner, it's hard to ...
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0answers
16 views

what is best vapor barrier for second floor bathroom on a concrete slab?

My question is about the separation of the bottom of the 2" concrete slab I'm installing as subfloor to my second floor bathroom, and protection of untreated wood beams and joists in 1876 house: I"ll ...
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0answers
70 views

help and advice on shower renovation on existing slab

We recently purchased a home that is built on a slab. We're going to have the floors polished but we're debating about what to do with the existing shower. It currently has some sort of hard foam pan ...
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0answers
24 views

How to retrofit a slab for protection from frost heave

One structure on our property is built slab on grade. Located in the US in climate zone 6. This is a heated space which we will be removing part of. The removal will expose a lot of the slab to the ...
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0answers
13 views

Need ideas for ground decking next to a slab foundation

So I ripped out this whole area of concrete that was bucked up by tree roots and now I don't know what to do. My idea beforehand was to do a square paver patio from the garage door to the water spigot....
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35 views

What Should I Use to Seal the Concrete Slab under the Joists?

I'm renovating a slab on grade half bath. I'm concerned about moisture/condensation forming under the joists. Should I seal/paint the slab? If so, what product should I use? Most of the products I've ...
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0answers
22 views

Slab on grade room construction

Older home built in 1968, southern Ontario, 4-level split, built in single car garage. Behind the garage is a bathroom that I had to gut because of a pipe burst. This room is slab on grade. The two ...
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0answers
26 views

Water softener brine tank into floor/ground?

Can the brine tank from a water softener be installed into the slab of my basement floor? Are there tanks designed for this, so that only the lid is exposed above the slab?
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78 views

What material can I used to fill gap between slab and house so that I can place vinyl tiles on the slab without worrying about cracking?

I am replacing some very old carpet in a sun room off my basement. This sun room was built around an existing concrete slab. I'd really like to put something other than carpet back in here, but am ...
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42 views

Kerb concrete slab

I'm thinking of using some kerbing to retain a small mound of earth from falling onto a new concrete slab drive. But I'm not sure whether to add the kerb before or after laying the concrete slab. If ...
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0answers
160 views

house built on a slab and has about 1" gap between the walls causing a draft

My house was built on a concrete slab in 1998. My son put up wainscoting in the living room and when he pulled off the baseboard he said you can see the house next door. He then checked several other ...