How To Install Iso Board Under Siding

The siding and insulation offer a well insulated home.

How to install iso board under siding.

Once the plywood is installed it s then time to install the siding over the top you can choose to use either vinyl or aluminum siding depending on the age style and look of your building. He stated no further insulation under the shake since i do have insulation under the bead board and the concern is what i ve read above about condensation. With foil faced iso on the interior you could still use up to 2 of unfaced type i or type ii eps under the siding without creating a moisture trap. Secure the board positively using screws and adhesive to fix to perimeter brandering on the board s ends and concealed fastening clips and adhesive to fix the board to the central brandering.

Use nails long enough to. In this example we show z flashing below the first course of siding and we show perforated board wrapped with insect screening to allow air entry at the base of the wall. Wrap the house with a moisture barrier usually some type of polystyrene wrap and install desired siding by nailing through the foam board into the house framing. Just want to make sure the job is being done correct i don t want to find out in hindsight that a 1 4 or 1 2 inch of rigid foam board should have been put under the vinyl shake.

The nails have a plastic cap that keeps them from damaging the foam. Always choose isoboard board lengths to run from wall to wall. Fit the rigid foam insulation snugly and seal all seams with the specialized tape.