Insulate Old House Wood Siding

I searched for an answer but didn t see anything so like the title says we ve bought a 100 year old house in va.

Insulate old house wood siding.

If a house s attic or roof is already fully insulated. It s an old house with many repairs additions over the years. The old siding will either be removed or covered up in the process making it easy to add insulation a number of ways. I was considering going with plywood covered by hardieboard siding.

Alternatively adding insulation to the walls can also be done from the inside which requires the removal of drywall and can be more difficult and expensive than it s worth. I have an old house that has double wood walls. Naturally i want insulation in there. At least 3 different scenarios on exterior walls so far.

I know and it pains me to say this but the number one danger area that causes problems with old house insulation is your walls. Vinyl siding must be installed against a flat surface. Don t insulate your walls. Wood siding is usually not replaced every couple decades like shingle roofs.

But fiberglass or mineral wool may be a better option in wet windy areas particularly in houses with wood siding because unlike cellulose they don t absorb moisture. I have heard that if you try to insulate walls that are designed for dead air. Siding that s assembled from large panels such as vinyl or aluminum cladding also makes a good candidate too since water can enter through cracks where the pieces are joined. Wood on the inside under the sheetrock then 2x4 support studs and horizontal fire breaks then wood siding on the outside.

I was confused about the sheathing as my 1x6 pine looked a lot like the pictures. I get asked a lot about insulating old houses especially in the wintertime. I need to replace the siding and am having difficulty finding wood siding. There is of course no insulation in the walls.

If the wood siding is beveled or lapped you will need vertical furring strips 16 inches apart covered with rigid foam board to provide a. People fall in love with the character rich architecture of these homes but they don t want the crazy heating and cooling bills that come along with that character. In particular homes sided with wood can usually benefit from house wrap barriers since they have many seams where the boards overlap. Interior wall insulation in an old house.