Board / Discussions

What is the best foam board insulation under drywall?

...board insulation attached to the stud and seams taped. Then I would set 1/2" drywall on top of the foam and attached with long screws. Does this sound like a ...

Posted by Wesley Pracht Jan. 11, 2020, 8:10 p.m. Wall assemblies - renovation 1 Responses

Why is there condensation in between 1.5" polyiso board and roxul insulation?

...board insulation glued to the wall with adhesive and I left a half inch Gap all around the board to spray foam. In front of the wall I frame to buy for walls an...

Posted by Tyler Norrie Feb. 9, 2021, 2:32 p.m. Basements improvements 0 Responses

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

...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 basement w...

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

Should I install a poly moisture barrier before the rigid foam board against a basement wall?

...board insulation held in place with the special plastic pegs (since the poly will not allow adhesive to affix it to the wall), blue sheathing tape on foam board...

Posted by DONandCATHY Crenna Dec. 14, 2020, 2:21 p.m. Basements improvements 3 Responses

Which is the best exterior insulation board to make a cottage 3 season?

Hello, our house built in 1920 untouched save for a simple kitchen. It's walls are toung and groove pine. No heat no insulation just the wainscotting walls. Th...

Posted by Sharon Challingsworth April 23, 2021, 7:16 a.m. Insulation and soundproofing 1 Responses

What kind of foam board should I use to insulate rim joists in Wisconsin?

My home was built in 1927 and at some point fiberglass was used to insulate the rim joists. I've started to remove it because its become a home to mice in some...

Posted by Matt Kime Sept. 12, 2021, 10:31 p.m. Basements improvements 1 Responses

Why is there mold on particle board outside vapor barrier on new addition?

...board. The house had air conditioning going all summer. The mould is on the particle board on the south side of the house. I have had the building inspector and...

Posted by Christine ML June 7, 2020, 1:35 p.m. Wall assemblies - renovation 1 Responses

Which type of exterior insulation to use on a house?

...board type of material on the exterior rather than OSB (I'm assuming the builders saved a few dollars by using such a bad material?) There is old aluminum sid...

Posted by Trevor Marshand May 26, 2020, 1:16 p.m. Insulation and soundproofing 1 Responses

Can basement walls to dry to the inside with foam board?

...board to my basement foundation walls. From all of my reading it says that your basement foundation walls can only dry to the inside. If I put foamboard on the ...

Posted by Tim Hanrahan Aug. 20, 2020, 12:34 a.m. Basements improvements 6 Responses

Is it OK to put 1 inch of EPS under vinyl siding with no wall insulation?

We have a cabin in the Bershires of Massachusetts ceilings and floor have been insulated, dense pack celluose in ceilings 4 in Amivic graphite EPS under floors...

Posted by Roger Smith Nov. 12, 2019, 6:34 a.m. Wall assemblies - renovation 7 Responses

How do you install windows with SIP exterior insulation?

...board or similar to outside of SIP, and if so how do u deal with window set back?

Posted by tony wolff March 8, 2021, 4:18 p.m. Walls and Roofs 0 Responses

What is the best material to build kitchen cabinets with?

...board. Thank you for the response & the link. Really appreciate your time! Well now you're talking natural and sustainable :) Here is our page on Hemp boards an...

Posted by Rebecca Lisle Naugher Sept. 19, 2021, 2:28 p.m. Kitchens 5 Responses

What is the best exterior rigid foam insulation for under a deck?

...board. The front porch is covered by an overhang and deck boards. The side of the porch will be skirted with 2x6's. So the rigid board will be protected from th...

Posted by Andrew Cherubini March 21, 2021, 9:02 p.m. Insulation and soundproofing 3 Responses

Can you install foam boards directly against basement walls?

...board directly against concrete. A mold expert told me to put the board on top of the framing, not directly onto the concrete wall so the house can breath. What...

Posted by Ted Gorab Oct. 3, 2019, 6:09 p.m. Basements improvements 16 Responses

Can you use polyiso insulation on the exterior of a wall behind cedar siding on the west coast?

...board loose its thermal properties? Does it go below R4.5 per inch? Is it usless at -15C ? or equal to XPS ? Polyiso starts to fall off in R value around 5-10C ...

Posted by Iain Matheson Jan. 28, 2020, 10:38 p.m. Wall assemblies - renovation 2 Responses

How do you stop wind from blowing under a house on piers?

...board. Reading reviews on your site I only see applications of foam board against concrete or concrete block walls. Also I just saw that you do not advise insta...

Posted by Robert Boyle Oct. 17, 2021, 12:11 a.m. Foundation and basement improvements 1 Responses

Should you put insulation on the outside of a cinder block wall in a desert?

...board then tar board chicken wire then stuco then paint with elastromeric/ sand mix, all to keep out heat. Styrofoam or no Styrofoam is the question. is it wort...

Posted by Michael Apodaca March 9, 2020, 3:10 p.m. Wall assemblies - renovation 1 Responses

What sized does the Hemp Insulation come in?

...board? Can you make it in rolls? Thank you, Gary

Posted by Gary Stapley Feb. 5, 2021, 6:15 p.m. Insulation and soundproofing 0 Responses