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2
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1answer
89 views

What's the proper way to flash an inside roofing corner, with self-stick membrane?

What's the proper detail to apply membrane or tar paper to an inside roofing corner, where a sloped roof meets a higher wall at a corner? Of course a metal flashing goes on top of of the membrane, and ...
0
votes
1answer
91 views

Do I need a vapor barrier on tub surround with 1 external wall?

I know variations of this question have been asked dozens times and it seems like there is no real consensus. Each post or website I look at seems to advocate something different. I understand that ...
2
votes
0answers
332 views

How should I seal and insulate a crawlspace to mitigate radon and allow for storage in the space?

Background: I recently bought a house built in 1996. It has a 1480sq ft (approx) living area, which is the same as the crawl space size. The location is in the Kansas City metro area. The yard is ...
1
vote
0answers
16 views

Vapor resistant ceiling fixture installation

I am installing vapor barrier on a ceiling using poly, acoustic sealant, and a vapor-tight ceiling fixture (FN-426-C-V - pictured below). Note the ring of soft foam around the circumference of the ...
1
vote
0answers
27 views

Proper method to seal a heated crawl space

I have a heated crawlspace with a dirt floor. There are no vents, it is fully connected to the house, and currently has a pool liner and vapour barrier stretched over it, but it is not sealed. There ...
1
vote
0answers
116 views

Garage Wall Question- Insulation and vapour barrier?

We live in Vancouver, BC, Canada. We are redoing the wall that separates our house from the garage. The wall is built with 2 by 6's and has been insulated with Roxul R20 thermal batt insulation. On ...
1
vote
0answers
78 views

Suggestions/advice on vapor barrier product to use?

In the basement of my house (built in 1900) in NE Ohio...Half of the basement floor is finished, the other half is dirt floor covered by a few inches of crushed stone gravel. I had a mold issue, so ...
0
votes
0answers
12 views

What to Look for in Professional Products for Vapor Sealing Concrete Slab

I'm planning to seal a concrete basement floor soon. While I haven't had any water problems, the basement has a smell to it which seems to be the smell of the soil/clay underneath the house. What's ...
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0answers
30 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 ...
0
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0answers
135 views

Insulation and Vapor/Moisture concerns with a wood ceiling.

I have already removed the drywall in the ceiling so the rafters and bat insulation is currently visible. I plan to be adding plywood to the ceiling and then installing 1x6 boards on top of the ...
0
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0answers
27 views

Insulating attic - vapour barrier question

My girlfriend has her parents 61-year-old home in St. John's NL and it has an attic with poor ventilation and unfastened R-12 kraft-faced (and facing up) fibreglass laying on the original drywall. I ...
0
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0answers
79 views

Super-Insulating a Crawlspace

I am getting ready to have a contractor insulate my crawlspace. The exterior facing walls of my crawlspace are about 2" above grade, with the remaining 2 ft 6 in - 2 ft 10 in below grade. One of the ...
0
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0answers
78 views

vapor barrier between sub floor?

A friend and myself are building a cabin in southern california. It doesn't snow often where it is located. The cabin itself is setup on a post foundation and we are almost finished with the subfloor....
0
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0answers
219 views

Can I use a vapor barrier paint instead of polyethylene sheets to encapsulate my crawlspace?

I was looking into "encapsulating" my crawlspace by some manner or other. From what I can tell the way to do this involves (primary) some thick poly (.15 or more) along the the soil and up the walls....
0
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0answers
103 views

Replacing old windows - how to make vapor barrier?

I'm replacing a couple windows in an 80 year old house. Not surprisingly, there is no house wrap or any kind of vapor barrier. It's 2x4 studs with 1/2" tongue and groove wood siding on the inside, ...
0
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0answers
341 views

What should I do about the insulation in my basement?

So in my basement I have insulation that was put up by the builder. My first question is what is this type of insulation called? The second question I have pertains to finishing the basement. I ...
0
votes
0answers
339 views

Do I need a vapor barrier between the insulation and finish wall in a new garage?

Can I put plastic between the insulation and finish wall in a new garage? Or would we gain anything by doing this? We have some who told us to do this and others who say definitely do not. There is ...
0
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0answers
602 views

Should I spread lime in my crawlspace before laying moisture barrier?

The crawlspace is currently just earth. I'm going to be raking it, laying moisture barrier and then taping to seal. Should I spread lime onto the earth before laying the barrier?