I am new to this forum and have a few questions about the contruction of a room for HT viewing. I am building a house and unfortunately won't have a separate HT room. The HT will be in the Family Room. My wife is concerned about the sound being heard from my woofer from concerts and movies. My questions are about the possible installation of Density Mass loaded Vinyl Barrier on the walls of the Family room. If I have the builder properly install this product on the walls of this room: 1. The room's ceiling is two stories. If we install this 1 lb product for the entire vertical span, will it put too much weight on standard wall framing? If not, will the 2 lb. product? Is ist worth upgrading to the 2 lb. product? 2. I live in Houston, Texas where outside humidity is high. Does this product create a problem in exterior walls with the traping of moisture within the walls? 3. Also if I go the extent of installing this product on the walls yet the room has windows on opposite walls, if these windows have regularly installed doubled paned windows, how much sound will be escaping though these windows. Is there a site that best addresses these questions and those not yet thought of? Thanks for the help.