CLOSED CELL SPRAY FOAM UNDER A CONCRETE SLAB

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Home CLOSED CELL SPRAY FOAM UNDER A CONCRETE SLAB

On this episode Wade will walk you through using closed cell spray foam under a concrete slab. Wade's company has been using this application for about 8 years and it has become almost their go-to application for insulating under a slab. What Wade likes about this application is:

- Just 2" of closed cell spray foam yields an R-14

- It's monolithic so its continuous with no joints or seams

- It is an effective moisture barrier

- Provides an excellent vapor retarder

- Is an excellent radon blocker

- Has a perm rating of less than 1

- Bonds exceptionally well to crushed stone