Old Roof Insulation Types

3 main old attic insulation types.

Old roof insulation types.

Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be. All of these materials are produced using recycled waste materials. Foam is a popular type of roof insulation. Asbestos free insulation materials contains our complete list.

A new form of blown fiberglass mixes two types of glass that naturally curl. Box out light fixtures. Blanket batts and rolls spray foam insulation blown in. One of the most popular types of roof insulation is fiberglass.

This is a lightweight shiny material that resembles mica flakes. Rigid panels of insulation. Once installed this can reduce your energy bills by up to 20 and additionally significantly reduce your co footprint. The most common types of materials used for loose fill insulation include cellulose fiberglass and mineral rock or slag wool.

Other insulation materials include foam wool and even insulated glass for windows. Spray foam roof insulation pros polyurethane spray foam is applied to the underside of the roof directly onto the slates tiles or roofing felt and bonds them to each other and to the load bearing rafter timbers. Here we outline the details of five major options. These non asbestos insulations include cellulosic insulations such as loose fill cellulose and balsam wool batts cotton insulation fiberglass insulation mineral wool insulation slag wool insulation and rock wool insulation.

Can be used to insulate almost any part of your home from the roof down to the foundation. Most homes are filled with traditional fiberglass material with newer ones adopting recycled cellulose material for more environmentally friendly alternatives. Older types of insulation include loose fill or batt fiberglass which can be pink yellow or white. Polystyrene and polyurethane are the most common types of materials used in making foam board.

Fiberglass comes either as sheets that can be applied to the roof from the inside or as loose fibers mixed with adhesive that are blown into place. It absorbs water and it is fire resistant. Unless you re using mineral wool insulation or your fixtures are rated safe for contact with any type of insulation don t allow the material to touch or cover recessed cans or. If the insulation is wool like and gray it may be loose fill rockwool.

While this type is often still used older insulation may be discolored or torn and is therefore less effective. Sheathing reduces heat conduction through structural elements like wood and steel. Not all insulation is created equal and various types exist for different applications. Most fiberglass products contain 40 to 60 recycled glass.