How to Install a Window_AAMA A1 and B1_TLS Laboratories_Lightning Flash XL Corners_BEST Practices

This training video will demonstrate how to correctly install a flanged (Nail fin) window using a membrane pan system with pre-formed flashing corners. Also includes prep. for extra building envelope to be applied later. If you would like to get the products in this video check out these links:
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This is an EASY way Proven to eliminate water intrusion around windows. We demonstrate how to use a house wrap product (Weathersmart) prior to the window being installed. The flashing corners are larger than we typically use. They are designed for bigger windows. Lightning Flash XL corners.
We also apply a interior dam using a new plastic product.
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