![]() Acoustic plaster is typically used for commercial buildings where soundproofing is required but could be used for a music or theater room in a house. The gypsum board or plaster may be fastened rigidly to the studs if the exterior is brick veneer or stucco. This construction methodology is the process of putting a thin veneer plaster over a substrate. Works well for sealing sill and base plates in residential construction. Veneer plaster price per square foot is 5 to 10. This application creates a thin, smooth plaster. While it is still a gypsum sheet similar to drywall, the makeup of the board and the paper covering is different, because a wet plaster veneer is applied over its entire surface. This sealant can also be applied or buttered around all electrical boxes and outlets, cold air returns, heating and air conditioning ducts and other equipment penetrating wall surfaces for increased acoustical performance. Blue board is the slang term that refers to the sheet of plasterboard that will serve as a base for the plaster veneer. Use it for exposed and unexposed applications at perimeter joints, floor and ceiling runners, cutouts in gypsum board, veneer plaster systems and other areas where a sound rated assembly is required. This sealant can be used in office buildings, hotels, apartment complexes and other types of commercial and residential construction. OSI GreenSeries SC-175 Draft & Acoustical Sound Sealant was developed primarily for commercial construction utilizing light weight cavity walls and floor systems. GreenSeries SC-175 is paintable, remains flexible and adheres firmly to wood, metal studs, concrete, drywall and most other building materials, while achieving and maintaining the specific STC (Sound Transmission Class) values. ![]() e) It provides a rough, textured finish appearance. d) It forms the scratched surface for the veneer plaster. c) It is roughened before the finish coat is applied. For additional information concerning fire ratings and fire safety, visit our Product Fire, Safety and Use Information page.OSI GreenSeries SC-175 Draft and Acoustical Sound Sealant is a non-flammable, latex-based sealant specifically designed to reduce sound transmissions and drafts in all types of wall systems where sound-rated assembly is required. Apply sound sealant to unexposed and exposed ceiling and floor runners, perimeter joints, veneer plaster systems and areas where you need a sound-rated assembly. Why is the first plaster coat called a scratch coat a) It is roughened immediately after application. In the event of an actual fire, you should immediately take any and all actions necessary for your safety and the safety of others without regard for any fire rating of any product or assembly/system. *FIRE SAFETY CAUTION – Passing a fire test in a controlled laboratory setting and/or certifying or labeling a product as having a one-hour, two-hour, or any other fire resistance or protection rating and, therefore, as acceptable for use in certain fire rated assemblies/systems, does not mean that either a particular assembly/system incorporating the product, or any given piece of the product itself, will necessarily provide one-hour fire resistance, two-hour fire resistance, or any other specified fire resistance or protection in an actual fire. 1ġConsult UL Fire Resistance Directory for assembly information. These plasters form a surface that is much harder than typical gypsum wall board, making it less prone to dents and scratches. Is a smooth, seamless, sound absorbing, durable plaster finish system for. ToughRock® Veneer Plaster Base board and ToughRock® FireGuard X® Veneer Plaster Base are designed to bond with skim coats of specially formulated veneer plasters. (Exterior Insulation and Finish System) a nonload bearing, exterior wall cladding.
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