https://stream.echo6.co/videos/watch/39de2a46-f2a1-42a1-b637-4eb302446fa6 Matt has rigged up a test to see if Closed Cell Spray Foam will indeed add strength to a wall cavity! We used https://accellapolyurethane.com/ for the SPF in this test. https://www.amazon.com/shop/mattrisinger Matt's Picks on Amazon! (Affiliate Link) Huge thanks to our Show sponsors USG/Tremco, Polywall, Huber, Dorken Delta, Prosoco, Marvin Windows, & Endura for helping to make these videos possible! These are all trusted companies that Matt has worked with for years and trusts their products in the homes he builds. http://www.Securockexoair.com/en.html http://www.Dorken.com http://www.Poly-Wall.com http://www.Huberwood.com http://www.Prosoco.com http://www.Marvin.com http://www.EnduraProducts.com Sun, 17 May 2026 05:39:11 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/39de2a46-f2a1-42a1-b637-4eb302446fa6 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.