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I’m drawing my own house plans and have a couple of questions that I’d be grateful for any advice on.
1. In the CABO One & Two Family Building Code, para. 802.3, Framing details, it mentions the use of rafter ties when the ceiling joists are not parallel to the rafter. I’ve looked at the Framing Roofs book in FH’s Building Library and in Thallon’s Frame Construction book but neither has a detail of it’s use. So where’s the rafter supposed to be tied back to & what size should the tie be?
2. The house will be a 1 1/2 story and the staircase is rising under the sloping roof, so headroom is a concern. I’d like the rafters to sit on a plate that’s on top of the ceiling joists. An article in JLC, “Solutions to common framing problems”, suggest it’s OK. They say “….When using conventional rafters, the best way to add room for insulation is to carry the ceiling joists to the outside of the wall, add a rim joist, then fasten a 2″x6″ on the flat to provide nailing for the rafters….”. What do you experts think? And where the ceiling joists are parallel to the wall, if I used stub joists perpendicular to the main joists how does the rafter tie issue get involved here?
To change the subject, as a Brit I cried when the London papers showed pictures of dead American soldiers in the Iranian desert after the failed attempt to rescue American hostages in ’80 or ’81. Tears rolled down my cheeks when a truck bomed killed 100’s more in Lebanon. Again on the 11th. Americans always pay because they are the world’s “police”. I hope this time you destroy those that are guilty. Even though our military capability is always diminishing, the British people will stand beside you and fully support you in whatever way we can, as, with very few exceptions, we always do.
David
Replies
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I'm drawing my own house plans and have a couple of questions that I'd be grateful for any advice on.
1. In the CABO One & Two Family Building Code, para. 802.3, Framing details, it mentions the use of rafter ties when the ceiling joists are not parallel to the rafter. I've looked at the Framing Roofs book in FH's Building Library and in Thallon's Frame Construction book but neither has a detail of it's use. So where's the rafter supposed to be tied back to & what size should the tie be?
2. The house will be a 1 1/2 story and the staircase is rising under the sloping roof, so headroom is a concern. I'd like the rafters to sit on a plate that's on top of the ceiling joists. An article in JLC, "Solutions to common framing problems", suggest it's OK. They say "....When using conventional rafters, the best way to add room for insulation is to carry the ceiling joists to the outside of the wall, add a rim joist, then fasten a 2"x6" on the flat to provide nailing for the rafters....". What do you experts think? And where the ceiling joists are parallel to the wall, if I used stub joists perpendicular to the main joists how does the rafter tie issue get involved here?
To change the subject, as a Brit I cried when the London papers showed pictures of dead American soldiers in the Iranian desert after the failed attempt to rescue American hostages in '80 or '81. Tears rolled down my cheeks when a truck bomed killed 100's more in Lebanon. Again on the 11th. Americans always pay because they are the world's "police". I hope this time you destroy those that are guilty. Even though our military capability is always diminishing, the British people will stand beside you and fully support you in whatever way we can, as, with very few exceptions, we always do.
David