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DuPont Tyvek Fluid Applied Weather Barrier (WB) Systems provide building envelope protection against water penetration and air infiltration. Tyvek Fluid Applied air and water barriers are designed for the unique demands of heavy commercial construction projects. This innovative system of fluid applied products applies DuPont’s expertise in building and material science to deliver what commercial projects require, including: – Sustainable Building Design and Construction – Superior Protection – Energy Efficiency – Ease of Installation – Enhanced Durability – Integrated Solutions – Expert Support The Tyvek Fluid Applied WB System provides an ideal combination of air infiltration and bulk water penetration resistance with vapor permeability that allows incidental moisture to escape so that the building envelope can dry out. All products within it are low-VOC, for reduced environmental impact, and fully compatible with DuPont Tyvek selfadhered flashing products. Products in the system include: – DuPont Tyvek Fluid Applied WB and WB+ Membranes – DuPont Tyvek Fluid Applied Flashing & Joint (F&J) Compound – DuPont Sealant for Tyvek Fluid Applied System – DuPont Tyvek Fluid Applied Flashing – Brush Formulation