Attic / Discussions

Can you put hemp insulation in an attic?

...attic, I have a radiant barrier on the attic ceiling and floor. I am removing the cellulose, but what non toxic insulation can I use with the radient barrier? H...

Posted by Pamella Weatherly-Phillips Aug. 16, 2019, 11:49 a.m. Roof assemblies - renovation 1 Responses

Should you keep duct work out of the attic?

...attic would result in significant heat loss, and in hot climates, running air conditioning ducts through a hot attic will be a completely unnecessary loss of en...

Posted by Frank Liu July 23, 2020, 8:53 a.m. Ventilation 1 Responses

Is moisture a problem in an unvented cathedral ceiling under a vented attic?

...attic space? There is nothing that jumps out at me as a problem with a vaulted ceiling over a vented attic, what is your reason for concern? As long as your att...

Posted by Kyle Burgmeier Oct. 25, 2021, 11:06 p.m. Roof assemblies - renovation 1 Responses

How do I stop a leak from my attic?

...attic edges, seal house-to-attic penetrations like the bathroom vent, and wiring, insulate the bathroom vent. Any thoughts? Frost buildup in an attic is a res...

Posted by Markus Duess Feb. 11, 2019, 12:42 a.m. Roof assemblies - renovation 1 Responses

How do you insulate an attic in Victorian House in Massachusetts?

...attic, but I would need to add vents in the roof in order to meet the building codes. But adding vents would entail cutting at least 4 holes in the roof, and it...

Posted by dan sagalyn Dec. 5, 2020, 11:30 p.m. Roof assemblies - renovation 0 Responses

Can you add exterior rigid foam insulation (e.g. EPS) with replacing windows?

...attic space and crawl space but were wondering the most cost effective method to insulate the walls and if we can do so without replacing/resetting windows. The...

Posted by Peter Milliken Nov. 9, 2020, 9:13 a.m. Wall assemblies - renovation 0 Responses

What are the options for adding Exterior Roof Insulation?

...attic. So wondering what systems have been successful - SIPs? Thanks. Choosing the best way to insulate a roof depends on how it is currently built. Let us kn...

Posted by Marlo Raynolds Aug. 29, 2020, 9:19 p.m. Roof assemblies - renovation 4 Responses

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

...Attic. For the Attic I am planning on two layers of fiberglass R19 and R38. For the walls I was planning on attaching foil bubble wrap to the existing furri...

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

I have many issues with my house where should I start?

...attic. I wanted to find out where to start, eg. should I seal the house, then insulate the outside basement wall, to the roof, then re-side the house, and insul...

Posted by Bryan Squirrell Sept. 29, 2019, 3:08 p.m. Wall assemblies - renovation 1 Responses

What causes moisture on a ceiling in winter?

...attic. There’s wood siding on 3 sides & brick on the front of the house. I want to put metal siding over the wood & add insulation in between. Will this solve m...

Posted by Cheri Banet Jan. 23, 2020, 10:22 p.m. Wall assemblies - renovation 1 Responses

How to air seal & ventilate a partial gut reno of a 1901 house?

I'm renovating a 1901 house, detached wood frame with stone foundation. We are creating a ~1500SF owner's duplex on the 2nd floor and former attic. The basemen...

Posted by Zach Zill Feb. 7, 2021, 4:33 p.m. Air and vapour barriers 0 Responses

What is the best way to Insulate the crawl space of an old home?

...attic. I have started the insulation in the floor joist from the crawlspace. I would like to know the correct way to insulate my crawl space regarding vapour ba...

Posted by Aj Jan. 21, 2020, 8:13 a.m. Crawl spaces 1 Responses

What is the best way to insulate a 2x8 wall?

...attic foil to put over that .....this might be the cheapest way to get some insulation on the out side of the building for the thermal break .....rock wool woul...

Posted by Michael Sweglar July 8, 2020, 10:43 a.m. Wall assemblies - new construction 3 Responses

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

Hi, I have an open beam house (no attic access) built in 1962. I live in cold, dry Edmonton Alberta. My low slope roof doesn't leak, however about once a year ...

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

Is installing a venting skylight to release hot air from my a home a good idea?

...attic is very well insulated and vented. The second story builds up heat during the night. We only use the central AC a few days a year on the on the really hot...

Posted by Fred Velsen Aug. 28, 2021, 11:10 a.m. Ventilation 1 Responses

Why is there frost on the underside of my roof overhang?

...attic area of the house is spray foamed so that the "rim joist" of the roof is spray foamed as well as the under deck of the roof area. I do however have led wa...

Posted by George Paul March 23, 2020, 12:10 p.m. Roof assemblies - renovation 3 Responses

How to fix condensation on ceilings?

...attic was completely wet and moisture was getting trapped which lead to mould growth on the plywood at the underside of the roof. We spent $20,000 in mould abat...

Posted by Jessica Sadler Nov. 13, 2019, 11:48 a.m. Walls and Roofs 1 Responses

is a double vapor barrier on a South Florida roof bad?

...attic space, another is to install the 'peel and stick' over old fashioned roof felt which seems like putting the new modern material over old technology materi...

Posted by Arthur Moore April 6, 2020, 12:57 p.m. Roof assemblies - renovation 0 Responses