JLC Live, the construction industry's top technical and business conference, is coming to the Rhode Island Convention Center in Providence, R. I. March 19- 22. As usual, the show will include a packed exhibit hall with hands-on demonstrations and clinics, along with a full roster of expert conference presentations on business and technical topics. (For a full program, go to

One attraction this year for coastal contractors from both the left and right coasts is a session about how to build waterproofed concrete and tile decks over living space, offered by Arroyo Grande, California, contractor and expert Bill Leys. Leys' 2010 JLC feature article, " Dry Deck Over Living Space," is posted at the JLC website, along with a step-by-step slideshow. Ley's "Troubleshooting" column in this month's JLC, " Scuppers and Drains for Waterproof Decks," describes a repair job on an existing deck afflicted by leaks and dry rot.

Leys' three-hour seminar in Providence will start with a discussion of concrete deck construction, coating systems, and effective flashing systems; after a mid-session break, class will resume with an in-depth look at tile decks, including a close review of the details approved by the Tile Council of America for waterproofing exterior decks.