How To Install Under The Roof Double Bubble Insulation

New metal roofs open interior with thermal break r value 9 2 downward heat flow r value 4 1 upward heat flow achieved by creating a 3 4 enclosed air space between roofing and bubble insulation and an 8 air space between insulation and the interior finish if exists.

How to install under the roof double bubble insulation.

Scissors or a sharp utility knife to cut the product. Most brands of foil faced bubble wrap are only 3 8 inch thick or less and have an r value of only 1 0 or 1 1. There are 2 options 1 directly to roof deck above fiberglass southern zone of the usa only benefit r 6 0 summer r 2 0 winter it is easiest to install either 16 or 24 wide product depending on rafter spacing. The equipment needed to install ecofoil bubble insulation in your building will depend on which method you choose.

Items needed for installation. Foil insulation is a radiant barrier and it works by. Foil insulation underlayment is recommended under a metal roof and in most cases the shiny side should be facing up but there s a catch. Several materials can be used in installing roof insulation.

Attach it to the purloins with double stick tape to hold it in place until you. Since the product often costs more per square foot than 1 inch thick rigid foam rated at r 5 why would anyone use bubble wrap as insulation. Unroll the foil bubble wrap insulation over the metal joists or purloins that create the frame for the roof. Insulation tape to seal the seams never.

The r value of foil faced bubble wrap is so low that it has few if any advantages over rigid foam. If your budget allows we recommend combining one of the other insulation materials with some type of. Reflective insulation installation instructions. Double bubble insulation for example it is the most effective insulation for metal roof and can be used as additional heat protection to avoid condensation.

Each layer is composed of polyethylene bubbles that function as an additional thermal barrier that helps stop condensation. A newer option we like from ecofoil is their double bubble wrap roll insulation for metal buildings. Double bubble condensation barrier is very common for condensation control and to provide protection from radiant heat. Double bubble insulation under metal roof.

There are a few things that will be used to install our product regardless of which method is chosen.