Answer:
Acoustiblok specializes in noise reduction. The Acoustiblok sheet membrane found inside the All Weather Sound Panels are 'state of the art'... Acoustiblok is fully U.L. tested and rated. Wall assemblies with a single layer of Acoustiblok range from STC 52 and extend up to STC 85!
AWSPs are designed for industrial noise reduction in extreme enviroments. AWSPs and Acoustiblok is sold and used worldwide. Versions of the panels are designed for home A.C. / Heat pump noise attenuation. AWSPs are solid aluminum construction, 2.423" thick, 4' wide and heights vary from 4' to 12'. Ratings include STC 29, NRC 1.00, 0 smoke / 0 flame. Cost to own AWSPs run as little as 35 cents per day and less... and the panels can EASILY last OVER 20 years.
Acoustifence is the heavy duty outdoor version of Acoustiblok, and is designed to be hung off of a chain link fence, or other fence type structure. A great addition to any wooden wall assemble built around AC/ Heat pumps...