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Walls and Roofs

Which is the best foam board insulation to put against poured concrete basement walls?
Posted by Patricia Roberts Dec. 28, 2021 Insulation and soundproofing 3 responses

How does one retrofit or wrap an existing home with straw bale?
Posted by M. J. Dec. 21, 2021 Wall assemblies - renovation 2 responses

Is the ZIP Sheathing system better than house wrap?
Posted by Fred Martens Dec. 18, 2021 Walls and Roofs 1 response

Fill gap between wood stud wall and closed cell foam or fill the stud bays?
Posted by B Mac Dec. 13, 2021 Wall assemblies - renovation 3 responses

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Is it better to insulate the inside of a house or outside during renovations? And which insulation is best?
Posted by Andy Sellers Dec. 7, 2021 Wall assemblies - renovation 1 response

Do you have a step flashing detail for gyproc sheathed 2nd story wall/garage roof interface?
Posted by Don Fraser Dec. 5, 2021 Walls and Roofs 4 responses

Can you make a green roof with an existing metal roof?
Posted by Alexandra Dobrescu Dec. 3, 2021 Walls and Roofs 1 response

How do you ventilate a roof in a hot, humid coastal climate?
Posted by Ashok Abhyankar Nov. 29, 2021 Roof assemblies - renovation 1 response

Does strapping’s nailing jeopardize membrane integrity?
Posted by GUY DUPONT Nov. 26, 2021 Air and vapour barriers 3 responses

A different wall and ceiling vapour barrier treatment in the Eco-home: How come?
Posted by James Turk Nov. 22, 2021 Air and vapour barriers 1 response

Are straw sips panels available in bc or Canada?
Posted by Jocelan Maxwell Nov. 14, 2021 Walls and Roofs 2 responses

Cost to install alternative wall panels to drywall?
Posted by Adrian Baerlocher Nov. 12, 2021 Walls and Roofs 4 responses

What is the best way to insulate the exterior of a post and beam timber frame HOME with rigid insulation?
Posted by Ron Busch Nov. 12, 2021 Wall assemblies - new construction

What can I use as an air barrier under an old wood floor with no sub floor?
Posted by Mimi Costley Nov. 6, 2021 Air and vapour barriers 1 response

Why do I have condensation on my ceiling and how do I fix it?
Posted by bruce chambers Nov. 5, 2021 Walls and Roofs 5 responses

Is moisture a problem in an unvented cathedral ceiling under a vented attic?
Posted by Kyle Burgmeier Oct. 25, 2021 Roof assemblies - renovation 1 response

What type of non-toxic insulation is best for kids rooms that are being remodeled?
Posted by HyungMi Kook Oct. 14, 2021 Insulation and soundproofing 1 response

Can you add furring to 2 x 4 walls to hold 2 by 6 insulation?
Posted by Michael McDougall Oct. 13, 2021 Wall assemblies - renovation 1 response