it can be difficult to get pergola rafter spacing exactly right, especially if its a pergola with unusual dimensions. standard pergola rafter spacing there are two standard rafter spacings, and not coincidentally, theyre the exact same as the joist spacing used beneath floors.
what is max distance between posts using 2x12x20 foot beams for a pergola. ask question asked 4 years, 7 months ago. active 4 years, 1 month ago. viewed 34k times 1. what is the max distance to span between six by six posts using two by twelve by twenty foot beams for a pergola. pergola : can i use 4 - 6x6 post, with 2x10 beams sandwitching
it depends to a large extent on what type of lumber youre using. the american wood council has a span calculator you can use to determine the maximum length your joists can be, depending on what type of wood youre using. as to using 4x4s as posts, using three at each end is probably enough to carry the load; again, it depends on the type of lumber youre using, so check with the pros at the lumber yard or your local building department to be sure.
your pergola adds an interesting element to your outdoor space, but unlike a more formal porch, it doesn't do much to keep you out of the rain. what kind of waterproof covers can be used to
how to build a pergola over a patio ron hazelton. loading unsubscribe from ron hazelton? build a pergola or arbor over your patio to serve as a semi-open roof.
pergola. i am building myself a pergola. it will have 6x6 posts, 2x8 beams bolted to each side of the posts spanning approx. 17 ft. across the back patio. 2x6 rafters every 12 inches will run atop the beams. it will be free standing anchored in concrete. the size will be approx 17 ft wide by 8 ft deep.
remember, short pergolas give more shade under the pergola. consider the time of day you will use your pergola and the angle of the sun at that time. take a few photos of your site and send them to us. go online . we have an online pergola pricing tool you can use to configure your pergola.
align the four sides of the post with the rectangular shape of the pergola, and use a 4-foot level to check whether or not the post is perfectly vertical, or plumb. adjust the post as necessary to
the wide, prairie-style pitched pergola can be used to create an open patio with furniture where you can entertain your guests during a sunny morning or a fabulous evening. the pitched pergola for a backyard patio can be ordinary, slanted on one side for rainwater drainage and even kept open for an airy private space for the occupants.
a short 4x4 can carry an awfully big load, and many deck builders use 6x6 posts as a standard, regardless of the height or load of the deck. though the height of a deck is often questioned only in regard to the requirement for guards, it is a factor in determining the height or span of the posts.
i am planning to build a corner pergola over my deck. pergola is 8ft long from the corner on either side forming a triangle on the top. i have used four 4x4 posts 8 ft attached to the deck headers using three 1/2' carriage bolt per post.
in this example we'll build the pergola 10 ft long, 6 ft wide and 8ft high. mark out where your 4 support posts will be. these posts will be 4x4. we always use metal post spikes for fixing as they prevent timber rot by protecting the bottom of the posts. knock your first spike in until the post will sit just above ground level.