Replies

1. 
   xMikeSmith | Feb 23, 2004 07:17am | #1

   don... typically a timber truss house will use a structural ceiling /roof..

   like what Lindal Cedar Homes do..

    the ceiling would be 2x6 T&G so it can span from truss to truss.. on top of that you can apply sips... (r25)  and your roofing to that..

    or you can apply the sips directly to the trusses and they become your ceiling..

    or  you can get into a framing system to develop a depth to accept your insualtion of choice...

   the first two are fairly common with timber trusses

   Mike Smith   Rhode Island : Design / Build / Repair / Restore

2. 
   patren | Feb 24, 2004 10:39am | #2

   To DonB

         The reference guide that I have shows a layer of wood or drywall over the top of the post and beam structure. The carpenters basically built another roof over top of the beams using 2x6's 24 inches on center. The layers are as follows wood or dry wall, builders foil, 2x6 frame work, 5" of rigid insulation between the joist space, 1" layer of rigid foam on top of the framework, sheathing over top of that, and then your roofing material.

   P.S. The reference guide was written by timber frame guru Ted Benson. Need more info... Check out  his web site bensonwood.com

   Pat.

3. 
   Piffin | Feb 24, 2004 01:42pm | #3

   Structural insulated panels, then finish to choice.

   The older methopd Mike mentions with the 2x6 v-groove first works but you have the headach of keepin water staining out of it whilke you work to get covered in. By doing SIPs first, you get roof on and can then apply sheetrock, plaster, or lumber finish to the inside.

   This depends tho, on what the span between your trussess is. To big a span and you need to reframe with purlins above.

    

    

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