Basement wall construction

Old 10-21-00, 05:22 AM
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I'm getting ready to do my basement but I have some questions.
1.I have painted 2 coats of dryloc on the walls.Does this act as a vapor barrier,or do I still need to put the plastic up?
2.Do the studs need to be in contact with the vapor barrier?
3.Will regular insulation on the ceiling keep the noise down or is there another sound deadener I should use?
I guess I could put foam strips inside the metal studs to make up the room lost in the "C" shape of the metal studs.Or should I just tape the paper overhang to the stud?This will leave air gaps.Is that ok?
Old 10-22-00, 02:54 AM
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1. The dryloc is to prevent moisture from difusing through the wall from the exterior. After you stud and insulate, you then apply the vapour barrier. Its purpose is to prevent moist air from entering the wall cavity from inside the house.

2. After insulating, the vapour barrier will cover both insulation & studs.

3. Insulating between floor joists will help reduce noise produced from air born sources, ie; stereo, voices etc. Mechanical noise such as someone walking on the floor above will still be transmitted through the joists. Applying a resilient channel before drywalling or insulating tiles if suspending the ceiling will reduce the noise.

4. Not insulating in the "C" channel of the stud will allow convection currents within the wall cavity reducing the effect of the insulation. Insulation works on the principle of reducing air movement.
Old 10-22-00, 05:53 AM
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Thank you Allan.
I am so glad that I found this site. You guys are very helpful to me.

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