WebMasonry Walls, TMS 0302 (ref. 5). TEK 13-1B, Sound Trans-mission Class Ratings of Concrete Masonry Walls, contains a complete discussion on determining STC ratings, applicable building code requirements, as well as tabulated values for various concrete masonry walls. WALL SELECTION When used for noise control, concrete masonry … WebSound Transmission Class (or STC) is an integer rating of how well a building partition attenuates airborne sound. In the US, it is widely used to rate interior partitions, ceilings, floors, doors, windows and exterior wall …
UL Wall Assemblies with STC and Fire Ratings - Knauf Insulation …
WebDec 30, 2024 · On the other hand, the STC rating of CMU walls can be calculated based on their weight using the formula below: STC = 0.18W + 40 W = pounds per square foot (PSF) WebUSG Cavity Shaft Wall Systems Catalog - SA926; USG Acoustical Assemblies Brochure (English) - SA200; USG Area Separation Wall Systems Brochure - SA925; Plaster … children\u0027s toy wooden boat
STC Calculator - Commercial Acoustics® - Calculate …
WebIn addition. the calculator can determine Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC) based on wall weight using the methodology … http://www.cfifoam.com/wp-content/uploads/STC.pdf Web(STC) is the mass per unit area: the higher it is, the better. A single-leaf concrete block wall is heavy enough to provide STC ratings of about 45 to 55 when the block surface is sealed with paint or plaster. Figure 1 shows measured STC ratings for single-leaf concrete block walls from a number of published sources. The consid- gowithvictra