Foam Insulation question

Rickl

Any thought son the slow rise foam insulation? I have an old townhouse with 5 inches of space between the walls and the brick.

I really do not want to remove all of the plaster.

iMisspell

Last year i hired people to blow insulation into the walls (2x4) and also looked in to the foam... i was too scared about the foam installers making a mistake and blowing out the walls, too much of a head ack to deal with.
Something to keep in mind.

If you know someone who has the foam installed and thinks the installers did a good job, maybe get there number. Link anything, the people who are doing the job, create the out come.

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rustyjames

If the brick are exposed to weather there needs to be at least a 1" cavity between the brick and structure for moisture control.

Ezekiel

The foam insulation is great. But, I'd go with blown cellulose if you don't want to remove all of the plaster. The foam is too likely to over expand and blow out the wall.