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Exterior Insulation Finish System (EIFS) is a multi-layered finish that has been used on commercial buildings and residential houses in the United States for over 30 years.

There are 3 layers to EIFS:

The Inner, Middle and Exterior layers
The Inner layer is made up of Expanded Polystyrene (EPS)

EPS for the EIFS system is a polystyrene board with a thickness that ranges from 3/4" - 4" typically. The weight of the board is 1lb density and comes bundled accordingly to achieve a certain square footage.

The EPS for EIFS is also available in a drainage board. The drainage board has grooves cut into the back of the board which creates a drainage cavity between the supporting wall and the foam to prevent water damage.

TRI-BUILT® provides quality residential and commercial building materials that deliver professional results. By focusing on the professional contractor, TRI-BUILT® has become a recognized and trusted leader in the construction industry. From roofing and siding materials, windows, coatings, and more, TRI-BUILT® is a name you can trust at a competitive price.

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TRI-BUILT 7" 2 ft x 4 ft Cured Flat EPS EIFS Board

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