Metal roof jack for roof flashing penetrations for radon exhausts. May also be used as a sub-membrane transition.
For use when radon exhaust system penetrates the roof. 3″ PVC ONLY MODEL. SEPARATE ITEM 09-042-4G FOR 4″
PRO TIP: For crawlspace systems: use french connection, T riser, or ADS T to connect to sub-membrane pipe or mat loop, then penetrate through roof jack. Roof Jack allows for a large space to secure membrane to using caulking. Nice, clean look.
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