Air Leak Tape Siding Osb

This treated oriented strand board osb sheathing manufactured by huber engineered woods is becoming a common sight on new houses.

Air leak tape siding osb.

Forms a permanent waterproofing air vapor seal around doors and windows that prevents air and moisture leaks. But to reach that goal of 1ach50 i ve decided to take a page from the passivehouse playbook and tape my exterior sheathing seams. Even recessed cans that are rated ic and airtight are known to leak. Investigators concluded that air leaks through poorly sealed seams allowed the condensation of moisture from the exfiltrating air.

In reading martin holiday s tape test article from march 2013 fine homebuilding i thought that siga wigluv was the clear winner as the best tape for osb sheathing seams. Matt risinger risinger homes in austin tx. Martin s article says that it s best to. The boxes should be sealed to the drywall before loose fill insulation is installed.

To limit air leakage builders use tapes to seal the seams of a variety of membranes and buildings products including housewrap polyethylene osb and plywood. I did an airtightness test on two irish passive house s lately using silicone clamped between the osb and the stud. With taped seams the zip system sheathing is both an air barrier and a water resistive barrier wrb. Air leaks at recessed can lights often lead to winter ice dams.

Tapes are also used to seal duct seams to seal leaks around penetrations through air barriers for example to seal around plumbing vents and to seal sheet goods to a variety. Window and door sealing tape is great for use around doors windows and nailed fins and flanges. To create a more airtight ceiling construct rigid foam boxes that are air sealed with tape and canned spray foam. Eric whetzel view gallery 8 images.

Protecto wrap 6 in. Juneau s failing sips had osb rot near panel seams. Adheres to vinyl plywood osb foam metal aluminum and masonry. So i don t think there s any need to paint osb to air seal it its airtight enough already.