How Far Apart Do You Put Boards For Porch Roof

Once you ve calculated the number of trusses you will need you should purchase the lumber.

How far apart do you put boards for porch roof.

A 4 by 10 can usually span up to 12 feet between posts. The same concept holds true for roof trusses. So the space between rafters can be greater without reducing the maximum span. Apr 28 20 11 17 am.

There is also a potential trip hazard if the boards are installed so far apart and so wet that as the boards dry in dry climates and weather that their shrinkage opens the gaps to 1 2 or more. The smallest beams for patio covers are typically 4 by 6. If this calculator from the american wood council is to be believed and if my assumptions about your materials and load are correct the max span is about 10ft for a pine 2x6. Common spacing for trusses on this type of building is often between 2 and 4 feet but trusses built with advanced designs may allow spacing as great as 8 or 12 feet.

In my opinion that hazard is uncommon unless your deck users include frequent stiletto heeled shoe wearers. If you move up to 4 by 8 you re usually allowed to span up to 10 feet between posts. In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts. Putting the trusses into place.

I am building a 10 x12 deck not attached to a ledger board. Most are spaced between 18 26 inches apart. In this example the section of roof is 20 feet wide and 14. This table agrees that 10 12ft is the max span for typical grade lumber at typical spacings for a 5psf dead load.

I am looking to install privacy screens on my concrete patio. Total height of low level ground level deck.