Exterior insulation / Discussions

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

What is the best way to do wall construction using Charred Cedar Siding?

...insulation and modern look. Charred wood or carbonized wood siding, also known as Shou Sugi Ban, is a a matter of slightly charring the outside surface of the w...

Posted by Dobie Cheung June 6, 2020, 10:44 p.m. Exterior cladding 1 Responses

What is the best way to insulate a 1780 brick federal with stone foundation in New York?

...insulation, rockwool or EPS . If you are doing the exterior then you can follow the procedures for exterior insulation here in page about the best way to insula...

Posted by carole roseman Jan. 5, 2020, 2:39 p.m. Foundation and basement improvements 1 Responses

How do you make an airtight house envelope?

...insulation in time before slab was poured, but need to plan better for above the ground. My contractor is planning foam insulation based on HERS measurements fo...

Posted by Valeriy Kraydman Dec. 1, 2020, 2:52 p.m. Air and vapour barriers 1 Responses

How do you best use polyiso insulation in a basement?

...insulation is a great product, but it does have its limitations. It is more expensive than EPS rigid insulation, but it does have a higher R value. A downside...

Posted by Iain Matheson Jan. 24, 2020, 7:45 p.m. Basements improvements 1 Responses

How do you remove moisture and condensation from basement walls?

...insulation is wrong and the insulation and the plastic barrier are creating the issue. What should be done to remedy this? Replace insulation with foam insulati...

Posted by Aaron Keating July 27, 2019, 4:51 p.m. Basements improvements 3 Responses

Is polyiso board or styrofoam best for insulating when finishing a basement in CO?

...insulation boards I have a few questions that will help us pin down the best way forward for you - How old is the home? Is there an exterior membrane on the...

Posted by Evan B. Nov. 21, 2019, 8 p.m. Basements improvements 1 Responses

Have you heard of Gigacrete and is it any good?

...exterior StuccoMax coating is waterproof. 4) Gigacrete homes are not limited to hot desert climates. There are Gigacrete houses in the Caribbean (Haiti, Bahamas...

Posted by Sasha P Aug. 29, 2019, 4:21 p.m. Wall assemblies - new construction 2 Responses

What are your thoughts on using large flax straw bales (4x4) to build in Saskatchewan?

...insulation. And walls that thick will make for some unusually large window wells, which will also block a lot of light. You may want some high gloss white paint...

Posted by Al Birchard Nov. 11, 2019, 12:56 p.m. Wall assemblies - new construction 3 Responses

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

...insulation on top of the led pot lights would help alleviate the problem rather than putting in ventilation strips as the work involved to remove the soffitting...

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

Where is the correct vapor barrier location in Chicago?

...insulation, meaning you need to install it at the top of the joist cavity before the insulation. There can be a few ways to do that, but before I can advise any...

Posted by Joel Peerson Jan. 31, 2021, 7:31 p.m. Air and vapour barriers 2 Responses

Is there any risk to a concrete foundation from adding interior insulation?

...exterior skirt insulation may also help, meaning – dig down a foot and lay a 4 foot wide skirt of 2-4 inches of insulation around the house and bury it. That wo...

Posted by Drew Tozer Jan. 5, 2021, 12:57 p.m. Basements improvements 4 Responses

Is the ZIP sheathing system good or bad for water control?

...insulation OSB sheathing c/w fully adhered exterior sheathing membrane OR Zip system 2x6 walls c/w batt insulation GWB c/w vapour retardant paint (or a po...

Posted by Trevor Prinz Nov. 26, 2019, 4:03 p.m. Walls and Roofs 5 Responses

How do you prevent walls from rotting in humid climates?

...exterior siding will be wood, keep the bottoms at least a foot from the ground. Consider a siding other than wood . Keep all vegetation at least 2 feet away...

Posted by Rose Alderson Nov. 5, 2018, 4:34 p.m. Wall assemblies - new construction 1 Responses

What is your experience and thoughts on pre-fab wall assemblies?

...insulation being delivered to a building site to sit in the rain will soon be considered as ridiculous as having car parts delivered to your house and assemblin...

Posted by Shaun B Nov. 12, 2019, 4:16 p.m. Wall assemblies - new construction 2 Responses

Is there thermal bridging in the Edelweiss REMOTE wall?

...insulation envelope would you completely eliminate any thermal bridging and have a perfectly balanced R value over the entire envelope with no weak points. But ...

Posted by David Pantalone Feb. 9, 2020, 4:42 p.m. Wall assemblies - new construction 1 Responses

For home renovation, is it better to install insulation on the inside or outside?

...insulation (from the inside) between the studs on the outside walls? We will be putting up drywall to finish the room. Thanks Bricks as an exterior finish i...

Posted by Neil Richardson Jan. 29, 2019, 4:09 p.m. Wall assemblies - renovation 1 Responses

Can you install foam boards directly against basement walls?

...exterior, and by covering the stud wall with XPS insulation boards (which are a vapor barrier) you would be ensuring that the wall cannot dry to the interior ei...

Posted by Ted Gorab Oct. 3, 2019, 6:09 p.m. Basements improvements 7 Responses