Install will be a 29 gauge galvalume metal vertical panel over existing shingles.
How to install bubble insulation under metal roofing.
Install by using staples.
Once again this is used on cold roof construction.
How to install foil bubble wrap insulation on a metal shed roof 1.
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.
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.
Make all cuts to the foam panels on the roof for more accurate cuts and quicker placement.
This reduces the need to go up and down the ladder for tools pieces of insulation and making measurements.
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 type of underlayment is critical to a quality roof installation.
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.
It serves as a moisture barrier as well as a slip sheet.
It can lie down perfectly under the metal roofing without having to deal with the hassle.
When hot roof construction is done a roof with no ventilation a breathable underlayment is recommended.
This post is to show you the installation methods for installing insulation in an existing metal or steel building.
Go to the top of the roof peak and unscrew the outermost metal roof.
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.
Here is the retrofit roof application in both foil to the interior or white to the interior.
Overlap seams by about 3 inches.
Write the panel number on the back side of each panel with a permanent marker then place the panel on the.
Make sure the product is designed to be used under metal.