How much weight could my garage roof joists carry?
I have a detached double garage, which was built about 6 years ago by
McAlpine. I want to rig up a 'chain block' to do some lifting.. I am only planning to lift a max of 200kgs and wonder if my joists will take this kind of load. The plan I had was to put a bar along a number of joists (Probably 4), to spread the load a little. Would this be safe? Jon |
How much weight could my garage roof joists carry?
jon.p.weaver wrote:
I have a detached double garage, which was built about 6 years ago by McAlpine. I want to rig up a 'chain block' to do some lifting.. I am only planning to lift a max of 200kgs and wonder if my joists will take this kind of load. The plan I had was to put a bar along a number of joists (Probably 4), to spread the load a little. Wkat's the span? What's the construction? What are the timber sizes? |
How much weight could my garage roof joists carry?
|
How much weight could my garage roof joists carry?
wrote in message
oups.com... I have a detached double garage, which was built about 6 years ago by McAlpine. I want to rig up a 'chain block' to do some lifting.. I am only planning to lift a max of 200kgs and wonder if my joists will take this kind of load. The plan I had was to put a bar along a number of joists (Probably 4), to spread the load a little. Would this be safe? If it is a car engine I would suggest having vertical pillars either side of the car and spreading the load over 3-4 joists - assuming that these run across the garage. Another option is if you have a wood lintel at the front of the garage. (I have done both in my time - 4 cylinder petrol engine with gearbox.) -- Michael Chare |
How much weight could my garage roof joists carry?
|
How much weight could my garage roof joists carry?
Hi Jon ...
... if you tell me the size of the joists and the span I can give you a good idea ... However builders use the BS joist span tables for their sizing ... choosing the smallest joist they can get away with for the span .. result you cannot put much applied load on it If you could arrange to spread the load over say ... 4 joists and also arrange that the load comes off at the 1/3rd points, that will give you best spread. i.e. fix a counter beam to 4 joist 1/3 out and parallel to the wall ... and the same for other wall, and support your 'bits' from the centre of these counter beams ..... joists are at their strongest at the 1/3rd points. (send me a mail if this is unclear) Rick wrote in message oups.com... I have a detached double garage, which was built about 6 years ago by McAlpine. I want to rig up a 'chain block' to do some lifting.. I am only planning to lift a max of 200kgs and wonder if my joists will take this kind of load. The plan I had was to put a bar along a number of joists (Probably 4), to spread the load a little. Would this be safe? Jon |
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