Old House Attic Insulation

Fiberglass batts the insulation found in most houses in the u s are inexpensive and quick to install.

Old house attic insulation.

Vermiculite and perlite are older granulated insulations with relatively low r values which describes the product s thermal resistance. According to home advisor insulating your attic can cost between 1700 to 2100. Rather than insulating the whole home and potentially causing problems like excess humidity you can properly seal the attic of an old house. Even if you bought the house with insulation already installed into it it s best to double check.

This old house general contractor tom silva shows affordable ways to create an energy efficient attic how to know what insulation is behind your walls if you live in an older home understanding what pads your walls is essential to keeping your family safe. This is a safe first step to retaining heat and saving energy. The insulation materials used in older houses are not as effective in keeping heat in as the new ones. Like other batt type insulation fiberglass has a predictable r value if not compressed but is difficult to fit around obstacles without leaving gaps.

Square footage of your attic. The insulation must meet doe standards. Wood can wet without issue but keep it wet and then the problems arise. The main factors that impact the cost are.

Contractor or insulation installer s fee. Insulating the attic and roof roughly a quarter of the average home s heat is lost through the roof. In most climates it needs a vapor barrier. Type and material of your insulation.

Some homeowners also take the time to build walkways and or storage platforms in the attic prior to installing insulation. In most cases the best type of attic insulation will be blown fiberglass or blown cellulose insulation. Sometimes wood products such as sawdust or balsa wood were used at insulation in old homes but these are very ineffective. Here are just a few of the highlights.

To keep the ventilation space clear above soffit vents special baffles need to be installed before the insulation goes in.