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EERE » BTO » Building America » Solution Center Home » Image Gallery » Right – R-20 of XPS and polyiso rigid foam were added on the slab shelf that is part of this precast foundation wall system.

Right – R-20 of XPS and polyiso rigid foam were added on the slab shelf that is part of this precast foundation wall system.

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Right – R-20 of XPS and polyiso rigid foam were added on the slab shelf that is part of this precast foundation wall system.

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Sareth Builders

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