Introduction and Difference of EIFS

EIFS is a general class of non-load-bearing building cladding systems that provide an insulating, 

waterproof finished surface for exterior walls in an integrated composite system.

EIFS has been used in North America since the 1960s and was first used in masonry buildings. 

Since the 1990s, most wood frame buildings have used EIFS.

EIFS is not stucco, even though it is often referred to as "synthetic stucco."

Traditional stucco is a centuries-old, hard, dense, thick, non-insulating material made up of aggregate, binder, and water. 

EIFS is a lightweight synthetic wall covering that includes foam plastic insulation and a thin synthetic coating.

EIFS stands for Exterior Insulated Finish System and is a wall cladding system 

that focuses on exterior wall insulation and uses multiple layers of material over that insulation to achieve things 

like crack resistance, moisture resistance, and an attractive color finish.

EIFS uses multiple layers of different products to create a complete wall system

that can have special properties like improved waterproofing or an added air barrier.

Next, the difference between internal and external insulation of EIFS is described:

A) External insulation is to add an insulation layer outside the main wall, 

while internal insulation is to add an insulation layer inside the exterior wall structure.

B) External insulation can directly improve the thermal insulation effect of the exterior wall, 

and the insulation inside the exterior wall will also increase the thermal stability of the interior.

Internal insulation can prevent the entire building from being burned down due to fire.

C) External insulation has high cost, high construction difficulty, affects the time of dismantling the scaffolding, 

and has an impact on the exterior wall decoration. 

Internal insulation has low cost, simple construction, and does not affect the time of dismantling the scaffolding.

Edit author:Yoli.Jiang

E-Mail: yoli.jiang@jtdf-rdp.com

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