Cellulose / Discussions

How do you do a vapor barrier in a dense pack cellulose wall?

...cellulose industry that makes the netting unnecessary at this point. There are new cellulose guns on the market that suck in air as they inject the cellulose, s...

Posted by Ian MacKay July 26, 2018, 2:48 p.m. Wall assemblies - renovation 4 Responses

Can I add Larsen Trusses and cellulose to 1920s House in Minneapolis?

...cellulose. The exterior sheathing boards are 1x 8's. I've done thermal scans of the walls. There doesn't seem to be any excesses settling of the cellulose. I've...

Posted by Ken Traefald Feb. 17, 2020, 2:30 p.m. Wall assemblies - renovation 3 Responses

Do I need a standard 6 mil poly vapor barrier with dense cellulose exterior wall?

I'm renovating a 1915 bungalow in masachusetts with no existing wall insulation. I've opened the wall cavity and plan to use a dense pack cellulose to achieve ...

Posted by jeff Chormann May 1, 2020, 9:18 a.m. Air and vapour barriers 2 Responses

Can you use blown cellulose overtop of fiberglass insulation?

...cellulose overtop of fiberglass insulation is no problem, but you need to be very careful about how much insulation you blow in, and make sure don’t block your ...

Posted by E McKinney Feb. 3, 2021, 1 p.m. Architecture and plan design 2 Responses

When using larsen trussees, what is the maximum spacing between TJIs

...cellulose insulation on the exterior of walls is an excellent way to insulate an older home or a brand new home, and even meet Passive House standards. Here is ...

Posted by steve outlet March 6, 2020, 12:39 a.m. Wall assemblies - renovation 3 Responses

Should I densepack wall cavities prior to exterior insulation?

...cellulose insulation , and with that comes an entire new set of costs – cellulose installers have to cut holes, then you have to repair them all. Whereas, you...

Posted by Gordon McNair April 13, 2021, 9:21 a.m. Wall assemblies - renovation 3 Responses

Can you put hemp insulation in an attic?

...cellulose from the 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...

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

How do you insulate a cathedral ceiling?

...cellulose insulation, with an intello vapour barrier holding cellulose all in. I'm wondering if I can do the same for vaulted ceiling? or am I better off goin...

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

What is the right amount of insulation for a house?

...cellulose in walls and loose pack cellulose in ceiling. Thanks. What you are referring to is often called the ‘sweet spot’ in home design for choosing the right...

Posted by Ryan Gerbrandt Feb. 11, 2019, 9:57 a.m. Passive solar home design 4 Responses

How do I best insulate my century home from the inside?

...cellulose. Should I consider HFO spray foam insulation? Thank you!

Posted by Merner Row Design May 12, 2021, 12:22 p.m. Roof assemblies - renovation 0 Responses

What is the perfect wall assembly?

...Cellulose is a fine insulation, we recently used cellulose insulation for the walls and roof of our latest demo house, the S1600 LEED Platinum Prefab kit house ...

Posted by Paul Drouin Sept. 17, 2020, 6:29 a.m. Wall assemblies - new construction 1 Responses

What's the best lumber for framing a house?

...cellulose. Thing is, the yard also proposed local sawn 2x4's which are cheaper than the CLS but I don't know whether these are going to be ok for framing as the...

Posted by Natalie Pierce Nov. 21, 2019, 8:26 p.m. Wall assemblies - new construction 1 Responses

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

...cellulose. The exterior sheathing boards are1x's. I’ve done thermal scans of the walls. There doesn’t seem to be excessive settling of the cellulose. I’ve check...

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

What windows should you use when trying to build a Passive House?

...cellulose insulation and a parallel sloping truss roof 15 inches deep again filled with dense pack cellulose and may also incorporate 3 inches of foam insulatio...

Posted by Raoul Lions Jan. 25, 2019, 2:18 p.m. Windows and doors 1 Responses

What is the best way to insulate a home from the outside?

...cellulose insulation added decades ago between the studs, but as per usual the cellulose has settled and there are big gaps at the top. As part of an extensive ...

Posted by Sylvie Gagnon Dec. 12, 2017, 11:58 a.m. Wall assemblies - renovation 1 Responses

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

...cellulose in the 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 t...

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

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

...cellulose insulation to my 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 ...

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

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

...cellulose blown into all the exterior wall cavities, so I know there's insulation in the walls of the rooms whose walls we did not demo. There don't seem to hav...

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