Old Roof Insulation Types

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.

Old roof insulation types.

This is a lightweight shiny material that resembles mica flakes. 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. Article index to types of building insulation. Polystyrene and polyurethane are the most common types of materials used in making foam board.

It absorbs water and it is fire resistant. The most common types of materials used for loose fill insulation include cellulose fiberglass and mineral rock or slag wool. Most homes are filled with traditional fiberglass material with newer ones adopting recycled cellulose material for more environmentally friendly alternatives. A new form of blown fiberglass mixes two types of glass that naturally curl.

Rigid panels of insulation. Sheathing reduces heat conduction through structural elements like wood and steel. One of the most popular types of roof insulation is fiberglass. All of these materials are produced using recycled waste materials.

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. Not all insulation is created equal and various types exist for different applications. While this type is often still used older insulation may be discolored or torn and is therefore less effective. 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.

Foam is a popular type of roof 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. Box out light fixtures. The mineral was popular.

Cellulose is primarily made from recycled newsprint. 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. Other insulation materials include foam wool and even insulated glass for windows.

Here we outline the details of five major options. Can be used to insulate almost any part of your home from the roof down to the foundation. Most fiberglass products contain 40 to 60 recycled glass. Asbestos free insulation materials contains our complete list.