Flat Efis Roof Systm

R value is a measurement of the resistance to heat flow.

Flat efis roof systm.

Underneath the basics flat roofs are usually constructed with a ceiling nailed to joists which support a deck usually wood in residential construction a vapor barrier insulation and a roof board. Eifs exterior insulation and finish system also known as eifs is a non load bearing exterior wall cladding system that consists of an insulation board a reinforced base coat and a textured protective finish available in endless color options to accent your home. Air water barrier to be continuous from face of exterior wall over parapet and onto roof membrane. The higher the r value the better the material s insulating value most eifs use insulation board with an r value of r 4 to r 5 6 per inch as the innermost layer in the wall system.

With pictures and useful links for further reading. Eifs or dryvit is a synthetic stucco that mimics traditional stucco. What s more eifs add to the r value of a home or building. Create almost any look while increasing your energy efficiency up to 30 over more traditional building exteriors.

Check with underwriters laboratories for specific air water barrier systems. Face of coping shall extend a minimum of 2 1 2 below upper edge of eifs. Learn more about eifs exterior insulation and finish system cladding. Provide air water barrier compatible to eifs.