Eifs Siding Thickness

The eifs exterior insulation and finishing system system shall be installed with the application instructions.

Eifs siding thickness.

The insulation typically consists of extruded expanded polystyrene xps and is mechanically attached to the sheathing and or wall structure. This system has a nominally 3 16 inch to 1 2 inch thick reinforced base coat applied to the insulation prior to application of the finish coat. The design of eifs unlike other systems brick stone siding etc does not allow the moisture to drain out. Eifs were first introduced in the united states in the late 1960 s and were first used on commercial buildings and later on homes.

Stotherm ci wall systems. A barrier wall system or a wall drainage system. Some people call it synthetic stucco. Eifs are vulnerable to damage due to the combination of a thin stucco coating over a soft base make.

Eifs is available in two basic types. Although marketed as a maintenance free product you need to keep an eye on how it s holding up. It is different to traditional stucco. It s made of lightweight two inch thick polystyrene panels with an acrylic coating that mimics traditional stucco.

Min base coat thickness shall be sufficient to fully embed the mesh. Eifs with drainage another eifs system is the predominate method of eifs applied today. The recommended method is to apply the base coat in two passes. The problem is water intrusion and entrapment in the wall cavities.

Integrated wall systems that deliver the best in performance sustainability and design flexibility. The eifs acronym stands for exterior insulation and finish systems. Stotherm ci systems integrate the following key elements continuous insulation ci air moisture barrier drainage and a variety of textured finish options to create a superior sustainable wall cladding. What is eifs siding.

Why eifs problems occur. Eifs is an exterior insulation and finish system. What is synthetic stucco. But the picture is not nearly as black and white as many people think.

Traditional cement stucco is applied in three relatively thick coats to a total thickness of nearly one inch. Eifs synthetic stucco siding. Using the soft styrofoam substrate allows the builder to use less of cement stucco material. The moisture can sit in contact with the sheathing for a prolonged period and rotting may result.

Eifs siding or synthetic stucco is a siding that offers clear advantages when properly installed but can be very problematic when installation errors occur. Impacts to the surface can result in cracks. As the name implies eifs with drainage helps to eliminate moisture before it has an opportunity to enter the wall cavity. The stucco part of the eifs is generally less than 1 4 in thickness.