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2012-Codes

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Roof deck for clay/concrete tile
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Re: Roof deck for clay/concrete tile By  rj2085

Posts: 0

6/25/2009 1:44:00 PM

Take a look at US tile! It can vary depending on the weight of the tile. Also, if you are placing the tile directly to the roof deck that is one issue. If you are using lath that is yet another.

Who''s tile and type of installation!? if you have expose cap along the rake you may have roof sheathing and lath! Lot of issues.


   

Re: Roof deck for clay/concrete tile By  jeremy

Posts: 0

6/25/2009 3:30:00 PM

Do you feel that it would be safe to say that since there are no tables or charts for spaced structural sheathing in the code, it falls outside the prescriptive requirements and therefore a design professional must be involved?


   

Re: Roof deck for clay/concrete tile By  tsmith

Posts: 0

6/25/2009 4:09:00 PM

I agree with Jeremy. Also, at least in my end of the country, spaced sheathing boards haven''t been used in so many years, it''s likely that the boards are a full 1"x 4", significantly heavier than modern nominal 1x4''s, and probably fine for the application. Roof sheathing is sized not only for spanning between supports/rafters, but also for providing the neccessary thickness for resistance to nail withdrawal.


   

Re: Roof deck for clay/concrete tile By  DRP

Posts: 0

6/25/2009 4:31:00 PM

Notice the book only calls for 5/8" lumber sheathing of very low grade though. Whenever I''ve used it here we use sawmill 4/4x6 for skip sheathing. The inspectors haven''t gone nuts requiring inferior nominal stamped material there...yet.


   

Re: Roof deck for clay/concrete tile By  tsmith

Posts: 0

6/25/2009 4:58:00 PM

DRP, I worked on a framing crew many years ago, for an old carpenter who recalled doing diagonal board sheathing of full 2" lumber.I''d guess those houses might still be standing!


   

Re: Roof deck for clay/concrete tile By  rj2085

Posts: 0

6/25/2009 6:00:00 PM

Jeremy: Look to manufactures specs. Tile and slate can vary greatly. Yes you could ask for design professional.

1x4''s can be used ,but it depends! Some are on treated 2x3 or 2x4 and once again it depends.


   

Re: Roof deck for clay/concrete tile By  Paul Sweet

Posts: 0

6/25/2009 6:27:00 PM

The Monier Tile website has installation guides that can be downloaded.

http://www.monierlifetile.com/technicaltools/installation.html

It has been several years since I did working drawings for a house with a tile roof. I think we detailed plywood sheathing, spacers (counter-battens) parallel to the rafters with underlayment draped over them, then treated wood battens to attach the tiles to.


   

Re: Roof deck for clay/concrete tile By  rj2085

Posts: 0

6/26/2009 8:06:00 AM

Here is another!
http://www.ustile.com/


   

Re: Roof deck for clay/concrete tile By  rj2085

Posts: 0

6/26/2009 8:08:00 AM

Here is another!
http://www.ustile.com/

And another!
http://www.ludowici.com/


   

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