Eifs stands for exterior insulation and finish system and is often referred to as fake or synthetic stucco.
Eifs siding definition.
According to the definitions of the international building code and astm international an exterior insulation and finish system eifs is a nonload bearing exterior wall cladding system that consists of an insulation board attached either adhesively.
Exterior insulation and finish systems eifs offer continuous insulation by design allowing architects the design flexibility and aesthetics they require while helping to meet the new energy codes.
While similar in appearance to stucco eifs is an exterior cladding system that consists of components and installation requirements very different from traditional stucco see figure 1 sectional view of a typical eifs application.
Eifs in its current basic form was developed in west germany in the 1960s and introduced in the united states in 1969 by dryvit.
Exterior insulation and finish systems eifs are a relatively new cladding system that combine a finish with a layer of exterior insulation.
Eifs is an acronym for exterior insulation and finish systems the product is also called synthetic stucco and it refers to a multi layered exterior finish that s been used in european construction since shortly after world war ii.
Eifs are continuous insulation.
Eifs siding or synthetic stucco is a siding that offers clear advantages when properly installed but can be very problematic when installation errors occur.
The product has become popular with builders in the us because it can be cheaper and easier to apply than traditional stucco.
Contractors found stucco to be a good repair choice for buildings damaged during the war.
The finish is comprised of polymeric organic bonded aggregate and cement reinforced with a glass mesh.
It is different to traditional stucco.
In europe systems similar to eifs are known as external wall insulation system ewis and external thermal insulation cladding system etics.