Old Roof Insulation Types

Not all insulation is created equal and various types exist for different applications.

Old roof insulation types.

Rigid panels of insulation. 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. The most common types of materials used for loose fill insulation include cellulose fiberglass and mineral rock or slag wool. Can be used to insulate almost any part of your home from the roof down to the foundation.

One of the most popular types of roof insulation is fiberglass. It absorbs water and it is fire resistant. Most fiberglass products contain 40 to 60 recycled glass. The mineral was popular.

While this type is often still used older insulation may be discolored or torn and is therefore less effective. This is a lightweight shiny material that resembles mica flakes. Most homes are filled with traditional fiberglass material with newer ones adopting recycled cellulose material for more environmentally friendly alternatives. Box out light fixtures.

Here we outline the details of five major options. 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. Once installed this can reduce your energy bills by up to 20 and additionally significantly reduce your co footprint. Blanket batts and rolls spray foam insulation blown in.

Sheathing reduces heat conduction through structural elements like wood and steel. 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. 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. Polystyrene and polyurethane are the most common types of materials used in making foam board.

All of these materials are produced using recycled waste materials. Older types of insulation include loose fill or batt fiberglass which can be pink yellow or white. 3 main old attic insulation types. Cellulose is primarily made from recycled newsprint.

Other insulation materials include foam wool and even insulated glass for windows. If the insulation is wool like and gray it may be loose fill rockwool. 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. A new form of blown fiberglass mixes two types of glass that naturally curl.