1] How a house is built - good primer for those building from the ground up, or making structural alterations
2] UK builders merchants - buy that rockwool RW3 with ease!
3] BRICKS - great for building walls
4] ROCKWOOL( UK ) - find information here
5] Drywall ( Plasterboard, sheet rock, rockboard ) ( UK ) - info here
6] WOOD is used a lot in studios - everything you need to know about wood
7] Site sbout noise isolation ( domestic )
8] Custom Audio Designs - Soundproofing articles - they also sell related stuff