Wall insulation / Discussions

...insulation and cavity insulation.  Is one better then the others for my location and build?  Thank you.   The wall assembly you list with a combination of interior and exterior mineral wool insulation will work fine. Mineral wool on the exterior of walls is in general a safer option that foam insulation as mineral wool...

...walls are as follows, from inside out: Ship lap wood, plastic vapor barrier,          I see no mention of insulation for you Tiny House, but there is a comma after vapor barrier so I’m wondering if you accidentally posted before you were done writing.  We have several pages on Tiny houses where you can get design ideas...

...wall’s ability to dry out properly. Here are a few pages that cover it in more detail: OSB or Plywood sheathing for Roofs, Walls Which is Better? Choosing a House wrap, Which is Best? The thing is, in northern cold climates, hybrid sheathing with weather barriers and /or insulation attached is quite common place now, s...

...wall foundation. I have a 1975 home with a block wall foundation. Both of us want to insuate the basement walls. She wants to spray foam the rin joists and  apply 2" of foam on the walls with the stud wall being installed 1" from the block wall. However I  am concerned that concrete block needs to breath, based on what...

...insulation on basement walls as it handles moisture better that fiberglass, but also don’t put a vapor barrier on right behind the drywall. If there is moisture in the wall it is way better to let it escape so it doesn’t rot the wood. Exterior insulation on basement walls is best if you can, is that possible in your ca...

...walls sit on footings.Is it better to insulate on the inside or outside of the foundation walls, or both inside and outside? I’m wondering why you are going with a 4-foot-deep frost wall for a slab on grade. There are much cheaper and easier ways to build a frost protected shallow foundation. Simply by installing skirt...

...insulation last fall. We live in Northern Michigan so it gets really cold in the winters. This summer it was a constant drip by our small window on our foundation wall. It has lasted all summer and now into the fall. I don't know how to solve this issue. Its only happening in a 10-12 ft section. Our house is on a hill ...

...insulation would be a worthy investment. The plan for now is strip back to sheathing, new self adhesive WRB, new windows installed at shearwall, 2-3in eps/roxul based on price, strapping, new siding. Is it worth densepacking the walls before doing the WRB? The kraft paper falling apart or separating from the insulation...

I am doing renovation and addition to the house and trying to make it as airtight as possible. After reading through multiple articles and your responses I was able to narrow down options to few. Walls will be insulated with sprayfoam vs rockwool (hard to get contractor out of convenient and familiar choice) and on ext...

 for Building BC, Canada To meet code requirments as well as just to build energy and efficient slab foundations and homes, I would first check our BC Step Code made easy page for information on that. Building codes vary too much between states, provinces and even cities for us to keep up with unfortunately.

...wall. Moisture issue in spring ( and I suspect fall). We get a lot of people asking about the best way to insulate a cinder block (CMU) foundation wall, I would say the first place to go is this discussion here which I think already answers all your questions -   How to insulate a cinder block foundation wall properly ...

...insulation in a wall assembly. The best method of wood frame construction would always include continuous insulation on the exterior of walls, without that you may see indications of thermal bridging through studs in the form of frost lines. The temperature on the exterior of the wall where the studs are would be highe...

...insulation  I am assuming you live in a cold climate. Regardless of climate though, you need to understand what you are expecting your wall to do. We don’t have phone support but  you can learn about how a wall works in this video – Building science made easy for high performance energy efficient homes A few things you...

...walls of older homes has to be done carefully so you don’t trap moisture. I would recommend you use some sort of mineral wool / rock wool insulation as they aren’t harmed by moisture and it will pass right through it. Walls need to be able to dry, so anytime you are adding to a wall its best to make sure that you only ...

...wall assemblies, but if fire prevention is your concern, I would be looking at things like Metal or stone siding, anything non-combustible. As for insulation, I would suggest maybe Rockwool (mineral wool) insulation as it is spun from stone dust and is fire proof. Here is our page on Choosing Insulation which will give...

...insulation in any climate –  What is the right amount of insulation for an energy efficient green home? That page should help you figure the answers to you question, and were happy to help more, just fill in some blanks about your current heating bills and what you figure the cost of insulating your exterior walls woul...

...insulation panels here –  Rigid insulation panels, how to choose the best ones for different applications You will read in that article a bit more about the ‘thermal drift’ as the R value and thermal protection is reduced during very cold weather. So depending on your exact location, that may or may not be a factor wor...

...Walls have no insulation, siding is T-1-11 from the sixties would like to put 1 inch EPS under vinyl siding. the building is pretty well built. no sagging parts no gaps no structural issues, drywall in good shape. would the 1 inch EPS under vinyl siding be a problem with condensation on inside of walls would vapor barr...