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Exterior Insulation and Finish Systems (EIFS) are multi-layered exterior wall systems that are used on both commercial buildings and homes. They provide energy efficiency and design flexibility.

Typical EIFS Components:

* Insulation board, made of expanded polystyrene (EPS), which is secured to the exterior wall surface with a specially formulated adhesive and/or mechanical fasteners.
* A durable, water-resistant base coat which is applied on top of the insulation board and reinforced with fiberglass mesh for added strength.
* An attractive and durable finish coat, which is colorfast and crack- resistant.


* Unlike wood, stucco and other siding materials, EIFS rarely need painting.
* EIFS have excellent resistance to dirt, mildew and mold. Should the surface ever become soiled, it can usually be cleaned by hosing it down.
* The systems are designed to be very flexible, which makes them highly crack resistant.
* Periodic maintenance should include thorough checking of the flashing and caulking to ensure that the building envelope remains watertight.

Energy Efficiency

* EIFS reduces air infiltration, stabilize the interior environment and reduce energy consumption.
* EIFS adds to the “R-value” of a home or building. Most EIFS use insulation board with an R-value of R-4 to R-5.6 per inch of EPS.

Design Flexibility

* EIFS come in virtually limitless colors and a wide variety of textures, and can be fashioned into virtually any shape or design.
* Skilled applicators can create all sorts of architectural detailing that would often be cost-prohibitive using conventional construction--- cornices, arches, columns, keystones, quoins, special moldings, and decorative accents.


* EIFS are definitely not do-it-yourself wall claddings. They should be installed by experienced applicators who have completed an EIFS manufacturer’s training program.



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