How To Insulate Old House By Removing The Shiplap Siding

In the 80s the home owners stuccoed the house against the clap boards without a wrb.

How to insulate old house by removing the shiplap siding.

My plan is to remove everything down to the studs i m cleaning out the old blown in insulation and in some cases fiberglass insulation that was installed backwards when the house was resided back in the 60s plus rewiring and installing new insulation. The interior has no insulation. In the stairwell to the basement which runs along an outside wall the shiplap is attached to the inside of the exterior wall and the outside only has the thinner wood siding. There is no better time to add insulation to the walls of an existing home than when new siding is installed.

The house is drafty in the winter with drops of 10 20 between thermostat and walls in quite a few places. I live in a 120 year old house in climate zone 4a. Most of the walls have 1x8 shiplap boards installed under the plaster and lath. In other cases drilling holes in the walls or removing a couple courses of clapboard to blow insulation into the stud bays may work with no problems.

3 ways to insulate siding and reduce home energy loss. Adding insulation to the walls of an old house without any other precautions can result is rotting walls full of mold under certain circumstances.