Is there an expandable foam insulation that would insulate exterior walls consisting of 2 brick layers with 1″ hollow space between?

The house was built in the ’20′s and has no studs on any exterior walls and therefore no insulation. We are looking for a way to insulate it without losing 4″ interior space on all exterior walls and to avoid replacing all interior trim.

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Spray Foam insulation under roof decking

Hey everyone. some of you know me from my crazy roofing project last year. Finally getting around to insulation now! So I have a few noob questions.

1. I am supposed to put in open cell foam under the roof deck. would closed cell be better? contractor says to use open cell in case the [...]

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Can I use my existing spray foam equipment to raise concrete?

Spray foam insulation contractors use similar equipment for polyurethane concrete lifting

There is however specific material and equipment necessary to start using that equipment for concrete raising. Everything necessary to begin raising concrete with existing spray foam equipment is available from HMI in the Concrete Raising Conversion kit.

Comprehensive training is also available to teach [...]

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I hear bad publicity on spray foam insulation for existing homes. What should we look for?

I hear bad publicity on spray foam insulation for existing homes. What should we look for? VIEW ENTIRE THREAD

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Spray foam insulation

Spray foam insulation I live in a small ranch house with very little insulation in the walls, cedar shake siding,and actual 2″x4″ constructed walls. I was planning on stripping the existing siding, adding 1″ foam insulating board and then vinyl siding.

I was wondering if the exterior shiplap sheathing was removed could spray foam be [...]

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Mold appearing in a recently spray foam insulated room

Approxiamately 1 year ago, I was involved in a home basement renovation that included spray foaming the headers throughout the basement as well as insulating all the exterior walls(2 out of the 4 were exterior) of a converted storage/cold room(appr. 5′x 12′. In the last month or so, the home owner discovered mold along the [...]

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