Attic insulation / 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

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

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. 0 Responses

What are the options for adding Exterior Roof Insulation?

...insulation to a home have been very helpful. But in searching I have not found much related to adding exterior insulation to the roof. Our home does not have an...

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

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

...insulation in the 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 r...

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

What causes moisture on a ceiling in winter?

...insulation in the 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....

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

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

...insulation with vermiculite ( been tested ok) in the attic. I wanted to find out where to start, eg. should I seal the house, then insulate the outside basement...

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

How do you fix high humidity levels in a basement?

...insulation in the floor joist in the basement, but my idea was dismissed. I was told that I should add more insulation in the attic and insulate the walls in th...

Posted by JR Tadinac Aug. 21, 2019, 11:26 a.m. Healthy indoor air quality 3 Responses

I have chronic illness from the air quality of my home, can you help determine if I need to replace the HVAC system?

...attic, remediate, add air exchanger (with filter and dehumidifier if that's possible?). Anyway, a bio-home inspector would be ideal but all funds need to go tow...

Posted by Niki Harrison Sept. 6, 2019, 4:32 p.m. HRV and ERV 2 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

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

Followup to the question How do you install Larsen Trusses on a home in Minneapolis?

...attic in the winter and there was no excess moisture. When you say, strip the walls, install a plywood sheathing. Do you mean to strip off the sheathing boards?...

Posted by Ken Traefald Feb. 27, 2020, 1:49 p.m. Wall assemblies - renovation 1 Responses

What are the most cost-effective green building strategies in new home construction?

...attic insulation - yes, see our page here about balancing insulation through a home for the best efficiency. Spoiler alert – heat loss goes in all directions, n...

Posted by M T Nov. 4, 2019, 11:07 a.m. Concept and design 3 Responses

Should I replace my geothermal system with a gas boiler?

...attic insulation, etc. However, the coax coil in the geothermal system has rusted out which I understand the system need to be replaced. It also did not help ...

Posted by Lawrence Brusnyk Oct. 31, 2018, 8:07 p.m. Heat pumps, geothermal and AC 1 Responses

Should you keep duct work out of the attic?

...insulation for the climate zone where they are built whether the roof is vented or unvented. read more here - How much insulation does a home need? How to i...

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

How do you insulate a cathedral ceiling?

...insulation. My walls are double 2x4 stud walls 12 inches deep and will have 2-3 inches of closed cell spray foam insulation to create a air and vapour barrier f...

Posted by Raoul Lions Oct. 19, 2019, 8:07 a.m. Roof assemblies - new construction 1 Responses

Halo Exterra rigid exterior insulation - has anyone work with it?

...insulation added to existing. Any sugestions????? Cheers thanks for your time. Also I have read all of you posts on wall insulation very informative. Hi G...

Posted by George Shannon Jan. 21, 2020, 3:39 p.m. Insulation and soundproofing 3 Responses

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

...insulation or fiberglass insulation over your head during a rain storm and see if you stay dry (spoiler alert you will get wet). Then, hold a batt of of insulat...

Posted by J. Ferguson Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 7 Responses