How Far Apart Do You Put Boards For Porch Roof

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.

How far apart do you put boards for porch roof.

I am looking to install privacy screens on my concrete patio. Most are spaced between 18 26 inches apart. In this example the section of roof is 20 feet wide and 14. Putting the trusses into place.

In my opinion that hazard is uncommon unless your deck users include frequent stiletto heeled shoe wearers. The same concept holds true for roof trusses. In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts. This table agrees that 10 12ft is the max span for typical grade lumber at typical spacings for a 5psf dead load.

The trusses should be a little longer than the exact width to allow for overhang and you will need sufficient trusses to mount across the length. Measure the section of the roof from the fascia to the peak and divide this by two which is the two foot spacing of the wood nailers. If you move up to 4 by 8 you re usually allowed to span up to 10 feet between posts. Once you ve calculated the number of trusses you will need you should purchase the lumber.

I just want to put up two 6x6 posts with titan wood post anchors either 35 or 70 apart read more. The smallest beams for patio covers are typically 4 by 6. 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. Apr 28 20 11 17 am.

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. I am building a 10 x12 deck not attached to a ledger board.