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Unread 05-19-2022, 01:56 PM   #17
Veteran DIYer- Schluterville Graduate

STAR Senior Contributor

Join Date: Jul 2004
Location: Nashua, NH
Posts: 14,963
Noble makes a deck material rated for use over occupied space. https://www.noblecompanyonlinestore....rack-isolation

Flashing and connection to drains will be the harder part, but critical to an overall satisfactory job.
Jim DeBruycker
Not a pro, multiple Schluter Workshops (Schluterville and 2013 and 2014 at Schluter Headquarters), Mapei Training 2014, Laticrete Workshop 2014, Custom Building Products Workshop 2015, and Longtime Forum Participant.
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