Concrete / Discussions

Any suggestions for improving insulation of a unique concrete building?

...concrete located in Nova Scotia. The walls are about 8" thick solid poured concrete on the ground floor, and 4" on the second floor. Both stories have had an ex...

Posted by Andrew Hurst Feb. 25, 2021, 4:54 p.m. Wall assemblies - renovation 1 Responses

What is the best way to finish a concrete floor?

...concrete has sufficiently dried or if the concrete is not well-sealed from the ground it will absorb moisture over time and possibly cause problems, meaning the...

Posted by Steven P. Aug. 17, 2017, 3:04 p.m. Flooring and stairs 1 Responses

What is your opinion on filling block foundations with concrete?

...concrete for strength, in addition to repairing the grout. Thanks in advance Hi Nina, That's a structural question that we would be unable to answer unforta...

Posted by Nina Hartt March 21, 2019, 8:06 a.m. Foundation and basement improvements 1 Responses

How should I insulate under a concrete hydronic slab on stilts?

...concrete hydronic radiant floors. Does anyone have any experience with DIYing hydronic concrete slabs on stilts. How I would go about insulating underneath to...

Posted by Cam Smith Feb. 6, 2021, 12:21 p.m. Foundation choices 1 Responses

How do you build an air heated concrete slab?

...concrete floor. I am hoping by the time the evening comes the concrete space would start releasing its heat and as air flows through the floor would warm the en...

Posted by Matt Wisniewski Dec. 27, 2020, 6:27 p.m. Passive solar home design 0 Responses

Is there a concrete admixture to prevent water leaks?

...concrete wicking moisture' and 'water leaks'. Also wondering if perhaps this is a new construction or existing, as an 'admix' would be added to the concrete bef...

Posted by Frank Liu July 4, 2020, 6:03 p.m. Waterproofing and drainage 2 Responses

What thickness of insulation and concrete do you recommend in a floating slab?

...concrete, which seems too little base on what I have read. What do you recommend the thickness to be for the insulation and the concrete for the slab and radian...

Posted by Marc-Andre Roy April 21, 2021, 7:38 a.m. Slab on Grade 3 Responses

How do you prevent mold under flooring of a house on concrete slab?

House is being built on concrete slab. I would like to ensure that moisture coming through the slab will not be trapped beneath the flooring. Is your slab buil...

Posted by Linds Cullen Dec. 31, 2020, 4:11 p.m. Slab on Grade 2 Responses

Can you insulate a concrete block basement walls with only rockwool?

...concrete block and we have 2 sides done with interior plastic membrane to french drain and sump pump, one side exterior waterproofing, and one side with no wate...

Posted by Aarne Valikangas Jan. 1, 2021, 9:22 p.m. Basements improvements 1 Responses

Is it not structurally dangerous to smash a concrete floor for a drain?

...concrete foundation and insulate the floor? Isn't that dangerous? What happens if you break up the concrete foundation? Does it affect the integrity of the buil...

Posted by t b March 2, 2021, 3:18 p.m. Waterproofing and drainage 2 Responses

Do you have recommendations for radon sealing basement concrete & installing new flooring?

...concrete slab for new flooring with regards to both radon mitigation and the material health - low VOCs. The basement is from a 2012 build -- the slab is 4” c...

Posted by M N Sept. 1, 2020, 2:20 p.m. Basements improvements 1 Responses

Is there any risk to a concrete foundation from adding interior insulation?

...concrete and then a framed stud wall with mineral wool batts and drywall with latex paint. I'd like to do something simple (EPS + plywood) on the concrete floor...

Posted by Drew Tozer Jan. 5, 2021, 12:57 p.m. Basements improvements 4 Responses

What is the best way to insulate a concrete block house?

...Concrete block walls are not as strong as poured concrete, since they are only held together by the mortar between blocks. Kent, did you ever come up with a pro...

Posted by kent wardecke Oct. 17, 2020, 11 a.m. Foundation and basement improvements 2 Responses

How do you insulate concrete basement walls and avoid mould?

...concrete. The short story, is that the best place to put vapor protection is right against the concrete, and if there is none at all, at least don’t put any vap...

Posted by William Hunter Feb. 22, 2021, 11:40 a.m. Basements improvements 2 Responses

How do you polish a concrete slab to be a finished interior concrete floor?

...concrete floor that looks nice. The concrete was poured 8 months ago, and we are noticing some divots. We live on a remote island with no specific concrete floo...

Posted by Betsy Lund May 20, 2020, 2:13 a.m. Flooring and stairs 1 Responses

How do you determine the thickness of concrete for slab on grade construction?

...concrete needed for structural integrity needs to be determined by an engineer.

Posted by Ackeem Beason Feb. 16, 2021, 2:46 a.m. Slab on Grade 1 Responses

Alternativ for Garage Epoxy - Considering both look & economically?

...concrete floor sealer that is non-toxic and durable would be silicate densifier sealers, see more here – How to seal and polish concrete floors with non toxic...

Posted by Kamatchi Kavi Feb. 21, 2021, 7:58 p.m. Paints, finishes and natural coatings 4 Responses

How well does the Legalett air heated floor work when pouring concrete?

...concrete mix to ensure no air pockets? What is the thickness of the pipe- sch40 or more like sdr26? How far is top of pipe from top of concrete? Yes, with the L...

Posted by Israel Sword March 28, 2020, 6:26 a.m. Slab on Grade 1 Responses