Things You'll Need
Insulation is found in the walls of homes and is installed to help keep your house at a steady temperature. Insulation will help keep your house warmer in the winter and cooler in the summer. Most insulation is made of fiberglass and fits into the walls between the studs before drywall is installed. After the insulation is installed, it is necessary to cover it up with a vapor barrier so the glass fibers are not inhaled. The best vapor barrier to use is roll of plastic sheeting. This vapor barrier is easy to install and does an excellent job.
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Run a tape measure across the length of each wall and add all the sides together for the total linear feet of the wall. This will help determine how many rolls of plastic sheeting will be needed to cover the insulation.
Roll out the sheeting beginning at the bottom of any corner of the room. Unroll the sheeting by hand and secure it to the studs in the wall. Insert a staple with a staple gun every six inches up each stud on the sheeting. Move on to the next stud and staple the sheeting to it the same way.
Move down the wall and staple the sheeting to the studs over the insulation until reaching the end of the wall. Cut the sheeting with scissors at the end of the wall. Go to the second wall and install the sheeting over the insulation just like the previous wall. Continue in the same manner until the bottom row is complete.
Overlap the second row of sheeting above the first by four inches and staple it to the studs just like in the previous step. Cut the sheeting off at the ends of the walls and continue up the walls of the room until all of the insulation is completely covered.
Inspect the walls and verity that there are no gaps or openings between the sheeting. Run your hands over the areas where the two layers meet to check for openings.
Most sheeting is three feet wide and comes in various lengths. To cover an 8-foot wall will take at least three overlapping layers.