How to insulate sloped top of concrete block foundation?
Spray foam the inside of the rim joist all the way down to the top of the vertical portion of the wall. Cut small pieces of foam board, with mitred edges, to attach at the top of the wall, taping all of the seams.
Foam instead of drain board behind foundation wall
Apr 18, 2020 · Normally you would install drain board/dimple mat on top of the waterproofing membrane, the idea is to direct hydro-static pressure away from the concrete wall, and more importantly, protect the waterproof membrane from the backfill.
What are the Best Options for Insulating Concrete Block Walls?
Nov 28, 2023 · Insulating concrete block walls is a crucial step in enhancing the comfort and energy efficiency of a building. Whether you opt for injection foam to fill the cores or build a wall for spray foam insulation, the right choice can significantly affect your building's performance.
Slab Foundation for Cold Climates - Fine Homebuilding
Sep 30, 2016 · Foam insulation below the concrete makes deep footings a thing of the past. In this article, senior editor Andy Engel describes every step of the process, from planning the excavation to pouring the concrete.
Insulating a Slab-On-Grade Foundation - Fine Homebuilding
Jul 9, 2014 · Many builders bevel the top of the vertical insulation so that none of the rigid foam is visible after the concrete slab is placed. In cold climates (climate zones 4 and higher), it’s important to install vertical insulation on the interior side of …
Rigid Foam Above an Uneven Slab - GreenBuildingAdvisor
Feb 18, 2022 · I am working out the details of installing rigid foam above an existing attached garage slab that is becoming part of the conditioned house. The slab is currently uninsulated and has not vapor barrier. I am in zone 5, Central Iowa. The exiting concrete has a 2-3 inch drop from on end to the other.
Installing Rigid Foam Above a Concrete Slab
Jan 11, 2019 · Step-by-step instructions for installing rigid foam over an existing slab and considerations like basement height, doors, and stairs.
A Concrete Insulation Sandwich | For Construction Pros
Aug 28, 2009 · Thermomass precut the Thermomass foam to fit the sloped walls, saving time on the jobsite. Kelder also used a laser to ensure the walls were at the same height throughout the slope.
A Comprehensive Guide to Spray Foam Insulation for Concrete Block Walls
Spray foam insulation for concrete block walls is an efficient way to insulate concrete block walls and improve the thermal performance of your home. However, it’s not without potential issues like thermal bridging, incorrect application, and inconsistent foam quality.
Rim Joist Insulation without a Sill Plate - basement
Dec 5, 2014 · I would like to use some rigid foam insulation to insulate my rim joists. Here is the problem: everything I have seen shows putting the foam on top of the sill plate like this (via Family Handyman). In my situation, my joists run into sloped concrete block: