Construction guidance, design tools and practical research for roofs, windows, walls and foundations for single family and multi-family wood frame residential applications.

Residential - Roofs

Continuous insulation is perfect for controlling heat transfer through the roof of your building.

Residential - Walls

Improve the way your walls control heat, water, vapor, and air transmission with one product: foam sheathing.

Residential - Windows

It can seem like a daunting task to integrate windows with continuous insulation.  Let these resources simplify the process for you.

Residential - Foundations

Prevent damage and save on energy costs by insulating your foundation.

Wood Frame Wall Calculator

This wall calculator is a tool to help coordinate energy code thermal insulation compliance and building code water vapor control compliance for a proposed wood frame wall assembly.