Butyl yung Audiomax, talagang naghanap ako ng hindi asphalt, para na din sa durability sa hot weather natin tuwing summer kahit medyo costly. 700~800/sheet Audiomax (butyl w/aluminum sheet) yung mga nacanvass ko not including labor.
btw 5 sheets nagamit.
Last edited by RC-V; November 30th, 2013 at 08:12 PM.