Cover Wood Siding With Rigid Insulation

Since foil faced foam is a moisture barrier it should be used with a continuous film vapor retarder on the inside wall.

Cover wood siding with rigid insulation.

The foam on the outside keeps the wood. Plus rigid foam insulation applied over the outside walls. 3 5 fastener to siding 1 embedment 3 5 0 5 1 5 1 5 max insulation. Most homes in the united states are built with traditional wood frame construction with studs every 16 on center.

This step is optional because the siding often extends far enough from the side of the house to properly seat the foundation insulation panels. 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. Covering flat walls such as t 111 or stucco siding is usually a prime siding for re siding. Just like vinyl siding you ll need to ensure the siding surface is completely flat either by the old siding or by adding slats to the wall.

How should wood siding be installed over rigid foam 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. Continuous insulation under new siding has become a popular way to improve energy efficiency on an existing home because it addresses a problem known as thermal bridging. A vented drainable air space keeps wood siding dry and stable.

It adds up to a robust system. When installing wood siding over rigid foam sheathing you must protect the siding from moisture and heat buildup and use proper nailing. Clean off the exposed foundation with a wire brush and remove any loose particles. Energy star version 3 rev.

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. Attach j channel tightly to the bottom of the siding and around windows.