What types of insulation improve STC

in Noise Zones 2 and 3 shall supply the following additional information with the permit: ... 090,E shall have a laboratory sound transmission class rating of at ... SURFACE TEXTURE: Prefinished or Unfinished NOISE REDUCTION COEFFICIENT (NRC): avg. 0.70. SOUND TRANSMISSION CLASS (STC): avg. 0.00. EMISSIONS TESTING: ASTM ... This informational handout is a summary of the City of Burien Aircraft Noise Reduction Ordinance ... sound transmission class rating. 40. 35. 30. ➢ OR comply with ... Sound Transmission Class (STC). A rating system used to measure the ... Design information and details on sound insulation of steel assemblies are scarce. This appendix is informative and is not part of this code. SECTION AK101 ... Standard for Determining the Sound Transmission Class Rating for Masonry Walls ... Content of this brochure is for informational purposes only. Refer to ... STC - Sound Transmission Class (or STC) is a number rating of how well a ... Walls in classrooms shall have a minimum sound transmission class (STC) of 50 per: ANSI S1. ... See Appendix VIII AV Equipment Standards for further information ... (ii) describe the class or classes of documentary material to be ... "911 call." A transmission of information via a telecommunications device to ... Actually, the Soundproofing Company (above) has a pretty good website as far as explaining things like STC, as well as having some very helpful products, like ... Informational submittals are submittals that require review by Architect ... Retain "Sound Transmission Class (STC)" and "Outside-Inside Transmission ...