Installing Plastic Sheeting Over Insulation

The cool surface is the sheathing assuming no exterior insulation.

Installing plastic sheeting over insulation.

Plastic on the outer surface of a wall in cold weather could cause problems. Continue in the same manner until the bottom row is complete. Move down the wall and staple the sheeting to the studs over the insulation until reaching the end of the wall. We use foil faced rigid insulation to keep the space under the house dry.

Picture an ice cold can of soda on a sweltering hot day. Use the pattern described beforehand as to give strength to the insulation layer on one row install the sheets horizontally as on the next one lay them vertically. Stretch the plastic sheet tightly across the top of the wall and staple it to the studs and plates. Install the plastic sheeting only after the insulation wiring and plumbing have been completed.

Cut the sheeting with scissors at the end of the wall. Plastic on the outside. Go to the second wall and install the sheeting over the insulation just like the previous wall. The humid air is indoors.

How to install poly over insulation. The colder the contents the more beads of sweat that form on the sides. The plastic and the insulation will eliminate any moisture problems you have in the crawlspace such as water droplets collecting on the concrete walls. This article will show you how to add 6 mil plastic sheeting on the ground and insulate the walls in your crawlspace.