Driving energy savings through airflow control
Air leakage can be a common, but frustrating cause of energy loss and moisture risk in buildings. Breaks in the air barrier allow uncontrolled leakage, which impacts efficiency, comfort, and durability.
Do you know what solutions to recommend to your customers when they are looking to seal seams and reduce long term risks? Let’s introduce you to a system-based solution that can help improve performance.
Fallon Ortman,
Assistant Manager, Product Marketing
1. House Wrap Seams
Unsealed weather barrier seams allow air to move freely behind cladding. Scapa 625 and 627 help maintain a continuous air barrier by sealing overlaps and supporting consistent exterior performance.
2. Sheathing & Rigid Foam Board Joints
Panel joints create linear air leakage paths across large wall assemblies. Scapa 637 is used to seal these joints and restore air barrier continuity across sheathing and insulation systems.
3. Windows & Doors
Openings are one of the most common sources of air leakage. Scapa 625, 627, and 637 support sealing at flashing and frame transitions, helping reduce air movement at these high-risk areas.
4. High Exposure Exterior Areas
Some applications require sealing solutions that can withstand extended outdoor exposure. Scapa UVX10 is designed for UV-exposed environments, helping maintain air barrier performance in demanding exterior conditions.
5. Penetrations and Transitions
Air barriers are most vulnerable where materials change or systems intersect. Using Scapa air barrier tapes helps maintain continuity around penetrations and transitions, reducing uncontrolled leakage paths.
6. Renovation and Containment Areas
During renovation or demolition, controlling airflow is critical to maintain separation and manage dust. Scapa 133 supports temporary containment systems by helping create controlled environments and limiting air movement between spaces.
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Frequently Asked Questions
Q: Where do air leaks typically happen in a building envelope?
A: Common areas include house wrap seams, sheathing joints, windows, doors, and penetrations. These gaps allow uncontrolled air movement.
Q: What products help seal air barrier gaps and joints?
A: Scapa 625, 627, and 637 help seal seams, joints, and openings. They support continuous air barrier performance.
Q: How can distributors help reduce air leaks on jobsites?
A: By recommending system-based sealing solutions for high-risk areas like transitions and openings. This improves overall building performance.
Q: Why is air barrier continuity important for efficiency?
A: Breaks in the air barrier lead to energy loss and moisture risks. Continuous sealing helps maintain efficiency and indoor comfort.
Q: What sealing solutions work for exterior and renovation airflow control?
A: Scapa UVX10 supports high-exposure exterior conditions, while Scapa 133 helps control airflow in renovation containment areas. Both help limit uncontrolled air movement.