How To Install Bubble Insulation Under Metal Roofing
Install by using staples.
How to install bubble insulation under metal roofing. 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. Climb a ladder to the top of your metal shed. Make all cuts to the foam panels on the roof for more accurate cuts and quicker placement. Once again this is used on cold roof construction.
Go to the top of the roof peak and unscrew the outermost metal roof. Make sure the product is designed to be used under metal. It serves as a moisture barrier as well as a slip sheet. 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.
This reduces the need to go up and down the ladder for tools pieces of insulation and making measurements. Before doing any work with the metal roof insulation you should have it brought up onto the roof. Install will be a 29 gauge galvalume metal vertical panel over existing shingles. How to install foil bubble wrap insulation on a metal shed roof 1.
This type of underlayment is critical to a quality roof installation. 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. Overlap seams by about 3 inches. Here is the retrofit roof application in both foil to the interior or white to the interior.
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. Cut panels on roof. When hot roof construction is done a roof with no ventilation a breathable underlayment is recommended. Write the panel number on the back side of each panel with a permanent marker then place the panel on the.
Using staples will allow you to install the insulation easily and quickly. If you are building new you can see all of the installation methods on our metal building insulation page.