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 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

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

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

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

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

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 this a good way to insulate drafty windows?

...leaks around windows is important, but I think your solution lies more in caulking or tape. I’m having a bit of a hard time visualizing how what you describe, s...

Posted by Robert Schmidt Feb. 6, 2021, 5:47 p.m. Windows and doors 2 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

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 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

What is the best way to frame window openings when adding exterior insulation?

...leaks and preventing water leaks. That means air seals around the exterior of windows and sloping window sills to make sure any water that may infiltrate can dr...

Posted by Anwas Qwelten May 30, 2019, 8:16 p.m. Windows and doors 1 Responses

How does a Passive House handle floods?

...leaks, there are a couple of easy steps you can take to prevent damage – place washing machines and water heaters on a tray with a drain and have easy shut off ...

Posted by Wendy Tsao May 7, 2018, 12:46 p.m. Foundations and Basements 1 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

How do know if I have a gas leak ? It's a ventless heater

...leaks will smell like rotten eggs, which comes from an additive put into gas simply to alert occupants to a leak. We have no option but to suggest you err on th...

Posted by Margherita Sewell Jan. 29, 2021, 4:59 a.m. Healthy indoor air quality 1 Responses

How do you seal windows from the exterior for water and air but not create a vapor seal?

...leaks, the source of any moisture in there would be the framing lumber itself, which as an ability (or at least should have the ability) to dry to the other sid...

Posted by Piyush Prince Nov. 7, 2018, 12:10 a.m. Windows and doors 1 Responses