Lightweight StoTherm combines StoTherm® and the StoGuard® waterproof air barrier system, improving energy efficiency and protecting against moisture intrusion. Sto offers several StoTherm ci Systems, including four StoTherm ci Hurricane Impact Systems. The unique and durable system sustains maximum curb appeal and saves money through reduced energy bills. StoTherm® ci cladding systems combine continuous insulation (ci), air/moisture barrier, drainage, and many textured finishes to create a sustainable, high-performance wall cladding. A finishing coat furnishes the color, texture, and protective nature of the structures’ exterior surfaces.A water-resistant base coat, embedded into the glass-fiber reinforcing mesh, applies on top of the insulation, and serves as a weather barrier.It will also protect against cracks and crumbling due to shifting foundations, thermal expansion, and freeze/thaw cycles. A layer of fiberglass mesh provides reinforcement and adds crack resistance.A layer of expanded polystyrene (EPS), extruded polystyrene (XPS), or mineral wool provides added insulation.A water-resistive barrier over the substrate prevents moisture from infiltrating the system.The typical components (layers) of EIFS include: EIFSĮIFS is applied in multiple layers over exterior sheathing, providing more insulation and moisture protection than traditional stucco. The stucco dries to a rock-hard finish for an affordable, long-lasting, attractive siding. Builders install a base mesh to apply stucco to the building, then spread the stucco over it with a trowel, using a three-coat system. The composition of traditional stucco includes a mixture of Portland cement, limestone powder, sand, and water. In addition, EIFS offers more energy efficiency with an R-value between 4 and 5.6, compared to stucco, with an R-value of 0.2. EIFS weighs 80 percent less than traditional stucco. However, while similar in looks, several characteristics change how the two stucco systems function. Traditional StuccoĮIFS, commonly referred to as synthetic stucco, and traditional stucco both provide fire resistance and a good sound barrier. It concluded that drainage EIFS is a far superior moisture and temperature control performance than brick, stucco, and cementitious fiberboard siding. National Study Validates the Use of Drainage EIFSīetween 20, the Oak Ridge National Laboratory ( ORNL) conducted a study comparing the energy efficiency, moisture intrusion, and temperature control between EIFS, brick, stucco, and cementitious fiberboard siding. In 2009 the International Building Code ( IBC) recognized EIFS as an acceptable cladding product, requiring the application of a water-resistive barrier. In the mid-1990s, the EIFS Industry Members Association ( EIMA) and the International Conference of Building Officials (ICBO) mandated moisture resistance and retention improvements in EIFS.Over the years, significant improvements have solidified it as an excellent choice for a durable, energy-efficiency cladding system: They are applied in multiple layers over exterior sheathing, to create an energy-efficient, fire-resistance, low-maintenance, beautiful, and versatile exterior cladding. Exterior Insulation Finishing Systems (EIFS), sometimes referred to as synthetic stucco, is a type of cladding that provides wall exteriors with an insulated finished surface.
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