Cover Wood Siding With Rigid Insulation

Most homes in the united states are built with traditional wood frame construction with studs every 16 on center.

Cover wood siding with rigid insulation.

Moisture protection and heat buildup. Plus rigid foam insulation applied over the outside walls. Covering flat walls such as t 111 or stucco siding is usually a prime siding for re siding. 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.

It adds up to a robust system. 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. Any imperfections in the wall will almost always show up in the siding. The foam on the outside keeps the wood.

How should wood siding be installed over rigid foam insulation. Energy star version 3 rev. A vented drainable air space keeps wood siding dry and stable. 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.

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. 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. 3 5 fastener to siding 1 embedment 3 5 0 5 1 5 1 5 max insulation.

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