This step is optional because the siding often extends far enough from the side of the house to properly seat the foundation insulation panels.
Cover wood siding with rigid insulation.
Measure the walls from top to bottom with a tape measure and buy either 4 by 8 foot or 4 by 9 foot sheets of rigid foam insulation to cover from the roof line of the house to the sill plate at.
Clean off the exposed foundation with a wire brush and remove any loose particles.
Since foil faced foam is a moisture barrier it should be used with a continuous film vapor retarder on the inside wall.
Moisture protection and heat buildup.
Cover the house walls with 4 by 8 foot sheets of rigid foam insulation typically 1 2 to 1 inch thick nailed to wood sheathing with 1 1 2 inch broad headed galvanized nails every 16 to 18 inches.
Plus rigid foam insulation applied over the outside walls.
Energy star version 3 rev.
How should wood siding be installed over rigid foam insulation.
A vented drainable air space keeps wood siding dry and stable.
The foam on the outside keeps the wood.
It adds up to a robust system.
3 5 fastener to siding 1 embedment 3 5 0 5 1 5 1 5 max insulation.
6 requires that continuous rigid insulation insulated siding or a combination of the two provide r 3 in climate zones 1 to 4 or r 5 in climate zones 5 to 8.
Any imperfections in the wall will almost always show up in the siding.
When installing wood siding over rigid foam sheathing you must protect the siding from moisture and heat buildup and use proper nailing.
Attach j channel tightly to the bottom of the siding and around windows.
The rater should also verify that the wall is designed to provide adequate shear resistance if the foam insulation also serves as the exterior sheathing.
Covering flat walls such as t 111 or stucco siding is usually a prime siding for re siding.
Exterior rigid insulation 1x3 wood furring strips masonry structure 2x4 framing attached to surface of masonry 2 to 4 of exterior rigid insulation 1x3 wood.