DELTA®-VENT S

The Problem

To become more energy efficient, structures are now being built with extreme airtightness.

This is why air and water barriers are becoming increasingly important. Tighter buildings are designed to prevent outside air and bulk liquid from entering, while allowing damaging interior moisture vapor to escape.

Building wraps are often used even though they are easily damaged. This is primarily caused by the difficulty of properly installing building wrap; every staple hole, seam or wall intrusion allows for movement of air. Uncontrolled air movement can lead to unwanted condensation due to temperature differentials across the wall.  

The Solution

More and more buildings are being built with higher-performance membranes to increase airtightness. The highest-performing barriers are fully adhered sheets that have a superior material as well as foolproof installation.

DELTA®-VENT S is a heavy duty, highly permeable water-resistive barrier and air barrier. The 3-layer, spun-bonded polypropylene is suitable for all wall applications.  

Product Details
Product Benefits
  • High-performance water-resistive barrier
  • The two outer layers are made of a high-strength, spun-bonded polypropylene, thermally bonded to a highly vapor permeable, watertight polymeric middle layer, on top of a protective fabric layer
  • High permeability 
  • Waterproof, resisting the passage of bulk water from wind-driven rain and snow
  • High permeability – moisture accumulation within the structure is able to escape via diffusion
  • Maximizes air tightness, making it ideal for energy-efficient construction
  • Fabric layer on the lower side protects the WRB against damage (e.g. roughly sawn sheathing)
  • Matte black; prevents blinding glare during installation
  • Lightweight, easily lined up and unrolled
  • Large roll size simplifies installation, while minimizing laps and maximizing productivity 

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