Installing Vapor Barrier
4:54
26:11
100.2K views
At 4:54 in
DIY Spray Foam Insulation To Lower Energy Bill
What happens here
A 4-mil thick plastic sheeting is used as a vapor barrier. The host carefully unrolls and staples the plastic sheeting over the installed fiberglass batts on the exterior walls. This step is crucial for preventing moisture from penetrating the insulation layers and protecting the structural integrity of the cabin, especially in cold climates where condensation can be an issue. The plastic is cut around windows and doors, ensuring a tight seal.
Goal: A 4-mil plastic vapor barrier is stapled over the fiberglass batts on the exterior walls to prevent moisture infiltration.
Tools and materials
- Extension Ladder
- Staple Gun
- Utility Knife
- 4-mil Plastic Sheeting
- Staples
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