Leaks / Discussions

Is there a concrete admixture to prevent water leaks?

...leaks, mold, mildew etc. I'm just a bit stumped between 'concrete wicking moisture' and 'water leaks'. Also wondering if perhaps this is a new construction or e...

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

What is the best insulation Under 2" Cement flat Roof in NYC?

...leaks? Maybe 2 layers? The base for the roof will be Metal beams. Thanks, Rafael, Brooklyn We would propose you use a rigid board insulation for a flat roof, ...

Posted by Rafael Mor March 29, 2019, 5:19 a.m. Roof assemblies - new construction 1 Responses

What is the best way to insulate a 1780 brick federal with stone foundation in New York?

...leaks. Any advice is apreciated. Insulating the outside of the foundation is a much better idea if you can do it. Insulating the interior of a stone foundation ...

Posted by carole roseman Jan. 5, 2020, 2:39 p.m. Foundation and basement improvements 1 Responses

What materials should I use for a small plumbing job?

...leaks? And can you transition from copper to the plastic tubes? Plumbing pipes in the past were made of galvanized steel, cast iron or lead. Today these materia...

Posted by H Davis Nov. 28, 2017, 1:30 p.m. Hot water 1 Responses

Improving the efficiency of a home built in 1978 during renovations, do I need an HRV?

...leaks make the HRV not effective? The only way to truly know if an HRV is required in an older home would be to do a blower door test to measure the rate of a...

Posted by joe cruikshank Feb. 8, 2020, 12:08 p.m. HRV and ERV 1 Responses

Why is there mold on particle board outside vapor barrier on new addition?

...leaks in the roof, or water running down the exterior walls. We wonder whether the mould is caused by condensation between the vapor barrier and the particle bo...

Posted by Christine ML June 7, 2020, 1:35 p.m. Wall assemblies - renovation 1 Responses

Should I vent the space between a block wall and vapor barrier?

...leaks in the spots of the basement I can see and since demo it has rained and still no water. If I’m understanding you, keeping your poly vapor barrier away fro...

Posted by Nick Santore Oct. 10, 2020, 2:03 a.m. Basements improvements 1 Responses

How do you remove moisture and condensation from basement walls?

...leaks from the outside coming in either. I feel like the insulation is wrong and the insulation and the plastic barrier are creating the issue. What should be...

Posted by Aaron Keating July 27, 2019, 4:51 p.m. Basements improvements 3 Responses

Is There a Difference Between an Air Barrier and vapor barrier?

...leaks. And think of it more as limiting air leakage rather than stopping it, even the highest quality brand new home will still leak air, it’s a fact of life. I...

Posted by Sherri Mccormick Aug. 17, 2018, 3:24 p.m. Roof assemblies - renovation 3 Responses

How do I get rid of carpenter ants?

...leaks) or it could be anywhere in your walls or roof where there is either air leakage causing condensation, or a leak letting in rain water. If you regularly...

Posted by Shawn B Nov. 14, 2017, 10:27 a.m. Pest control 1 Responses

How do you fix radon and water infiltration in a dry stone foundation?

Gosh, do I need help w this one. It's a 1820s house with a largely stone foundation and backed against a small mountain. The "root cellar" with mechanicals and...

Posted by john flannery July 14, 2020, 4:24 p.m. Foundation and basement improvements 5 Responses

What is the best way to make a row house in Montreal Quebec more energy efficient?

...leaks. We paid around $200 for an audit and discovered that a very large percentage of our heat was escaping through old draughty doorlocks! It was a simple che...

Posted by Elizabeth Brown Feb. 26, 2019, 9:09 p.m. Wall assemblies - renovation 3 Responses

Where can I find supplies for a green roof?

...leaks so you would need to be diligent about it. Here is another page that may help - All you need to know about Living Green Roofs By that I mean – if you ...

Posted by Nadia Naderi Oct. 8, 2020, 6:38 p.m. Roof coverings 1 Responses

Should you allow air flow through a crawl space with a dirt floor?

...leaks. You could then cover the spray foam with your existing plywood if its still in good shape, or to keep animals out entirely you could lattice or diamond l...

Posted by Amber Murray Aug. 17, 2020, 10 p.m. Crawl spaces 3 Responses

We are looking to build a slab on grade, do we need radiant heat?

...leaks), and less equipment in the mechanical room which mitigates them becoming the hotspot. The other interesting possibility with the Legalett system is that ...

Posted by Scott Self Sept. 21, 2020, 10:34 p.m. Delivery: radiant, forced-air and decentralized 2 Responses

How to insulate an apartment you don't own?

...leaks , you could do a lot to reduce that with some caulking or tape if you can identify clear locations where leaks exist. There is also the option of applying...

Posted by Teresa Cunningham Oct. 21, 2019, 3 p.m. Wall assemblies - renovation 1 Responses

Where to get good tape for taping air barriers?

You recommend using "brands of tape that are more suitable for extreme temperature changes. Siga,Delta Multi-Band and Air Stop are three examples of tapes with...

Posted by Frank Suerich-Gulick Sept. 12, 2020, 7:25 p.m. Air and vapour barriers 2 Responses

I want to insulate the outside of my house, which type of insulation do you think is best?

...leaks. We would then put new cedar siding on the outside. Will this work, and what should we modify to make it work? Thanks Hi Dave, The biggest modific...

Posted by J. Ferguson Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 10 Responses