Joists
Is there a convention for which way joists run in a house? e.g. Front to
back or side to side? And if the joists in the loft run front to back, would all the others? -- Dave - The Medway Handyman www.medwayhandyman.co.uk |
Joists
Is there a convention for which way joists run in a house? * Whichever is the shortest span. |
Joists
"The Medway Handyman" wrote... Is there a convention for which way joists run in a house? e.g. Front to back or side to side? And if the joists in the loft run front to back, would all the others? Usually whichever direction gives the shortest and therefore cheapest joists[1], although it's usual to use 'em to tie the wallplates at the top of the front and rear walls (up in the loft) together too, to give a bit more structural strength. Dave H. -- (The engineer formerly known as Homeless) "Rules are for the obedience of fools, and the guidance of wise men" - Douglas Bader [1] - which may explain the profusion of rooms in new houses which are just under 2.4m in one direction... Although those are probably "big houses / exclusive executive homes" by current standards? |
Joists
On 06/06/2010 15:03, The Medway Handyman wrote:
Is there a convention for which way joists run in a house? e.g. Front to back or side to side? And if the joists in the loft run front to back, would all the others? I don't think so! My house - as built - had some going front to back and some going side to side[1]. Joists in the loft of a 'simple' house, with gable ends and the roof sloping down each side from the ridge, are more likely to run front to back - with the bottom ends of the rafters tied into them - or the equivalent with a trussed roof. This doesn't apply to more complex roof designs - such as hipped, or with additional gables at right angles to the main roof. Even in the simple case, I don't think you can deduce much about lower levels from the direction of roof joists. [1] At one end of the house they're front to back, and then there's an RSJ parallel to these joists - which supports an upstairs dividing wall, and carries one end of the side to side joists at the other end of the house -- Cheers, Roger ____________ Please reply to Newsgroup. Whilst email address is valid, it is seldom checked. |
Joists
The Medway Handyman wrote:
Is there a convention for which way joists run in a house? e.g. Front to back or side to side? And if the joists in the loft run front to back, would all the others? No. In my late 1990s Redrow house joists run side to side (except for one small patch under the en-suite), parallel to the ridge of the roof. I was in the house regularly while it was being built an have the photographic evidence Malcolm |
Joists
On 6 June, 15:03, "The Medway Handyman" davidl...@no-spam-
blueyonder.co.uk wrote: Is there a convention for which way joists run in a house? *e.g. Front to back or side to side? And if the joists in the loft run front to back, would all the others? -- Commonly front to back downstairs, with sleeper walls to support the joists and reduce the span. Often across the house on the first floor, using internal walls to reduce the span. And in the loft whatever direction is needed to tie the rafters, usually parallel to the gables. Basically a compromise between shortest span and function. Simon. |
Joists
"The Medway Handyman" wrote in message news:UUNOn.63932$bb1.24530@hurricane... Is there a convention for which way joists run in a house? e.g. Front to back or side to side? And if the joists in the loft run front to back, would all the others? -- Dave - The Medway Handyman www.medwayhandyman.co.uk There is no convention. Sometimes the joists change directions between the left/right hand side of a house or the front/back of a house. Adam |
Joists
In article UUNOn.63932$bb1.24530@hurricane,
The Medway Handyman wrote: Is there a convention for which way joists run in a house? e.g. Front to back or side to side? And if the joists in the loft run front to back, would all the others? In London, if a semi or terraced house, they all seem to run front to back. I was told this was for additional fire protection - if they went side to side and into the party wall as of old, there'd be less wall protecting them from fire. -- *Why is the word abbreviation so long? Dave Plowman London SW To e-mail, change noise into sound. |
Joists
On Sun, 6 Jun 2010 15:03:22 +0100 The Medway Handyman wrote :
Is there a convention for which way joists run in a house? e.g. Front to back or side to side? And if the joists in the loft run front to back, would all the others? Traditionally on terrace and semi-detached, front to back, since building joists into party walls was not allowed. Much less the rule since joist hangers came into use. -- Tony Bryer, Greentram: 'Software to build on' Melbourne, Australia www.superbeam.co.uk www.eurobeam.co.uk www.greentram.com |
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