CAN/ULC S716.1-12

Standard for Exterior Insulation and Finish Systems (EIFS) – Materials and Systems

Underwriters Laboratories of Canada / 06-Dec-2012

This Standard outlines requirements for Exterior Insulation and Finish Systems (EIFS), used in combination with a drained air-space and water resistive barrier, as a non-structural exterior wall cladding system.

The use of mechanical fasteners is outside the scope of this Standard, but is acceptable as a complement and/or as an alternate to adhesive for attachment where the substrate will not support adhesive attachment of the EIFS.

The EIFS wall cladding system is comprised of rigid thermal insulation boards, an adhesive for attachment of the thermal insulation boards to the substrate, a glass fibre reinforcing mesh embedded in a base coat on the face of the thermal insulation boards and a finish coat.

In EIFS, the thermal insulation boards support the base coat with integral glass fibre reinforcing mesh. Systems where the reinforcement is the supporting element of the rendering, e.g., conventional stucco, are not part of this Standard.

Ordering and availability

This publication is available only in printed edition.

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