Eifs Siding Thickness

A barrier wall system or a wall drainage system.

Eifs siding thickness. Stotherm ci wall systems. The recommended method is to apply the base coat in two passes. The stucco part of the eifs is generally less than 1 4 in thickness. But the picture is not nearly as black and white as many people think.

The eifs acronym stands for exterior insulation and finish systems. As the name implies eifs with drainage helps to eliminate moisture before it has an opportunity to enter the wall cavity. It is different to traditional stucco. The eifs exterior insulation and finishing system system shall be installed with the application instructions.

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. Min base coat thickness shall be sufficient to fully embed the mesh. Eifs is an exterior insulation and finish system. What is synthetic stucco.

The insulation typically consists of extruded expanded polystyrene xps and is mechanically attached to the sheathing and or wall structure. Why eifs problems occur. Some people call it synthetic stucco. The moisture can sit in contact with the sheathing for a prolonged period and rotting may result.

Eifs are vulnerable to damage due to the combination of a thin stucco coating over a soft base make. Integrated wall systems that deliver the best in performance sustainability and design flexibility. Impacts to the surface can result in cracks. It s made of lightweight two inch thick polystyrene panels with an acrylic coating that mimics traditional stucco.

Eifs synthetic stucco siding. Eifs were first introduced in the united states in the late 1960 s and were first used on commercial buildings and later on homes. 3 3 installation of eifs exterior insulation and finishing system a. 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 problem is water intrusion and entrapment in the wall cavities. Eifs is available in two basic types. Using the soft styrofoam substrate allows the builder to use less of cement stucco material. Eifs is usually sprayed onto mesh that is mounted to styrofoam type of material.

Eifs with drainage another eifs system is the predominate method of eifs applied today. What is eifs siding. Although marketed as a maintenance free product you need to keep an eye on how it s holding up. Pb eifs is the most common type in north america and historically used expanded polystyrene eps insulation adhered to the substrate with fiberglass mesh embedded in a nominal 1 16 inch 1 6 mm base coat which can receive additional layers of mesh and base coat for stronger impact resistance.