However in 2001 a cluster of sip failures in juneau alaska highlighted problems with sip sealing methods.
Air leak tape siding osb.
To create a more airtight ceiling construct rigid foam boxes that are air sealed with tape and canned spray foam.
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.
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.
Air leaks at recessed can lights often lead to winter ice dams.
So i don t think there s any need to paint osb to air seal it its airtight enough already.
Juneau s failing sips had osb rot near panel seams.
Protecto wrap 6 in.
This treated oriented strand board osb sheathing manufactured by huber engineered woods is becoming a common sight on new houses.
Even recessed cans that are rated ic and airtight are known to leak.
Eric whetzel view gallery 8 images.
The joints weren t taped the osb wasn t painted and we got air tightness tests of 0 38ac 50kpa and 0 45ac 50kpa.
Learn how to use siga tape to air seal your house.
Forms a permanent waterproofing air vapor seal around doors and windows that prevents air and moisture leaks.
I did an airtightness test on two irish passive house s lately using silicone clamped between the osb and the stud.
Adheres to vinyl plywood osb foam metal aluminum and masonry.
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.
With taped seams the zip system sheathing is both an air barrier and a water resistive barrier wrb.
Investigators concluded that air leaks through poorly sealed seams allowed the condensation of moisture from the exfiltrating air.
Matt risinger risinger homes in austin tx.
