How Many Rows of Spacers are Needed?
|12′ rafters 24″ apart lean to roof. How many rows of spacers needed?|
Hi Stoney, thank you for your question.
12’ is not a long length, you may be able to get by just relying on the sheathing if it is nailed properly to the top/compression face of the rafters. The amount of bracing is also dependent on the loads of the structure, which is based on your location and magnitude of the local loads. I cannot give you a direct answer, but a recommendation I’ve seen is to laterally brace every 6’, so for this instance you should be fine with a line of spacers down the middle of the 2xs.
Hope this helped,
Matthew McGinnis, EIT
Junior Timber Frame Engineer