What Is The Best Material To Use For Roof Insulation

They may use mineral wool fibre treated cellulose or polyurethane foam.

What is the best material to use for roof insulation.

Three types of heat loss or gain. Some insulation and building materials are better at maintaining a stable temperature inside the home than others. A flat roof should preferably be insulated from above. What insulating materials are suitable for roof insulation.

Other insulation materials include foam wool and even insulated glass for windows. R value is a measure of thermal resistance or resistance to the flow of heat of an insulator. See that photo above. R value measures how resistant types of insulation are to heat flow.

Batts or blanket 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 lights from the floor below it s a fire hazard. In general the larger the r value the more effective the insulating material is. Loose insulation fiberglass or recycled fiber materials.

These days there is such an extensive range of roof insulation materials it is difficult to make a choice. The range of batts and blankets that may be suitable for ceiling insulation include. The best roof insulation is blow in cellulose which is a form of bulk insulation that is environmentally friendly quality with a lifetime guarantee. If your loft is hard to access you can have blown insulation installed by a professional who will use specialist equipment to blow appropriate insulation material into any awkward space.

Batts or blanket insulation are the best choice for ceiling insulation if you have a flat ceiling and pitched metal or tile roof. Use hardware cloth metal flashing or scrap plywood to create a safety gap of at least 3 inches all around fixtures. Polyester natural wool glass wool and rockwool. A relatively recent development in the world of insulation spray foam insulation is really quite effective and serves a great purpose that no other insulation truly can.

Notice that you don t see insulation filling all the spaces between the ceiling joists. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. The best insulation for your home will depend on the situation and if you are replacing or supplementing existing insulation. R values vary based on the type thickness and density of the insulation material.

You can generally compare roof insulation material performance using their r value ratings. Batts are about the worst you can do here. Here are a few of the most common insulation solutions available. For the best performance an insulation material needs to fill the whole space with no gaps voids compression or incompletely filled areas.