How To Install Bubble Insulation Under Metal Roofing

Once again this is used on cold roof construction.

How to install bubble insulation under metal roofing.

Before doing any work with the metal roof insulation you should have it brought up onto the roof. Make all cuts to the foam panels on the roof for more accurate cuts and quicker placement. When hot roof construction is done a roof with no ventilation a breathable underlayment is recommended. This reduces the need to go up and down the ladder for tools pieces of insulation and making measurements.

Write the panel number on the back side of each panel with a permanent marker then place the panel on the. Due to heat issues in the upper levels of the house several contractors have suggested double bubble insulation foil on one side under the metal roof over the existing shingles. It can lie down perfectly under the metal roofing without having to deal with the hassle. Install will be a 29 gauge galvalume metal vertical panel over existing shingles.

Retrofit metal roofs open interior r value 11 downward heat flow r value 4 4 upward heat flow achieved by creating an 8 enclosed air space between the roofing and the bubble insulation. To install foil insulation roll it out parallel to the ridge and cut it with a utility knife starting at the drip edge and working your way up. New metal walls open interior with thermal break r value 5 6 horizontal heat flow achieved by creating a 3 4 enclosed air space between the exterior finish and the bubble insulation and an 8 air space between the insulation and the interior finish. Make sure the product is designed to be used under metal.

But it is important to make sure that the paper liner is installed correctly between the sheathing and the insulation to prevent mold and mildew. If you are building new you can see all of the installation methods on our metal building insulation page. Using staples will allow you to install the insulation easily and quickly. Climb a ladder to the top of your metal shed.

Go to the top of the roof peak and unscrew the outermost metal roof. Install by using staples. This type of underlayment is critical to a quality roof installation. It serves as a moisture barrier as well as a slip sheet.

This post is to show you the installation methods for installing insulation in an existing metal or steel building. How to install foil bubble wrap insulation on a metal shed roof 1.