hammerandhand.com/seattle

Seattle home builder Hammer & Hand owner Sam Hagerman explains the window air sealing and flashing used on the construction of the Ballard Passive House in Seattle, WA.

Hammer & Hand - Seattle: 1501 E Madison St, #250 Seattle, WA 98122 | (206) 397-0558 | WACL# HAMMEHI930M7

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