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Insulate the porch-attic wall making sure the insulation fully aligns with the inside wall sheathing

Insulate the porch-attic wall making sure the insulation fully aligns with the inside wall sheathing

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Install rigid insulation or another wall sheathing product

Install rigid insulation or another wall sheathing product

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Air sealing wall between a porch roof and attic with 1 inch of rigid insulation

Air sealing wall between a porch roof and attic with 1 inch of rigid insulation

CAD File

In two-story homes, the air barrier separating the wall insulation from the porch attic is sometimes missing

In two-story homes, the air barrier separating the wall insulation from the porch attic is sometimes missing

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Walls Adjoining Porch Roof

Guide

This guide describes how to install a rigid air barrier to separate the porch attic from the conditioned space.

Building America Energy Performance Brief: Air Sealing a Porch Wall

Case Study

Case study describing the benefits of and steps involved in air sealing a porch wall.

Air sealing at porch roof at 1/2 inch plywood exterior sheathing

Air sealing at porch roof at 1/2 inch plywood exterior sheathing

CAD File