Siding Fanfold Underlayment Sheathing

For ultimate thermal insulation and a stable energy barrier, you need siding fanfold underlayment sheathing on all of your construction framing.

This material is strong, durable, long-lasting, and cost-effective.

Siding fanfold underlayment sheathing is especially useful for preventing breaks in your thermal barrier due to headers, rim joists, or studs. This is a superior energy-efficient building material.

What’s Different About Drew Foam’s Siding Fanfold Underlayment Sheathing?

Our siding underlayment comes in various thicknesses for any insulation need. It has polymer facers on both sides for added durability.

This building material is easy to handle and work with, and is incredibly lightweight.

We additionally offer the standard 1 mil. facers as well as 3 mil. facers for PVC membranes. You can choose between clear or metalized poly for laminate facers.

Keep any framed construction energy-efficient and durable with our siding fanfold underlayment sheathing.

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