Dupont Window Flashing Details

Dupont tyvek and fortifiber.

Dupont window flashing details.

For recessed window flashing i am most familiar with the details provided by dupont and fortifiber and have confidence in either approach. When installed properly dupont straightflash dupont flexwrap nf and dupont flashing tape provide nail sealability at window door openings to help protect critical window wall interfaces. Dupont straightflash vf versa flange is an innovative dual sided self adhered flashing material that provides a reliable moisture seal to integrate brick mold non integral flanged and non flanged windows and doors with the building envelope. Dupont flexwrap self adhered flashing does not require mechanical fasteners even in flexed corner areas around building openings.

When flashing windows or doors the following principles must be followed. It is also acceptable to use dupont window and door foam or recommended foam. Recessed window installation greater than 4 inch recess after wrb. Dupont straightflash is a premium self adhered flashing material that is ideal for helping to protect heads and jambs of windows and doors.

By bridging the interface between the fenestration and the water resistive barrier dupont straightflash protects these vulnerable areas that are so often subject to potential water damage. Integral flanged window recessed up to 4 head w metal flashing integral flanged window recessed greater than 4 head hollow metal door after wrb jamb. Dupont self adhered flashing for garage doors installed after wrb. Huber makes a product called liquid flash that integrates with their zip system.

Dupont flashing tape for inside and outside wall corners. View the complete dupont flashing systems guidelines for windows and doors. This allows it to provide easy one step insulation for hard to seal corners around windows and doors. Another option gaining in popularity is liquid or fluid applied membranes.

Wind driven rain and outdoor air can find their way into walls around windows and doors. Dupont flashing tape helps protect the heads and jambs of rectangular doors and windows from air and water intrusion.