the big kahuna, the sombrero, and the fedora pergola kits all have 6 posts, and the brim pergola kits have 4 posts. each of our standard size pergola kits is designed with an overhang of the rafters and beams to the outside of the posts, so that the roof structure is a bit larger than the area inside the posts.
first of all, you need to cut the top of the pergola posts, as shown in the diagram. use a circular saw to make the parallel cuts inside the marked areas and then get the job done with a chisel. smooth the recess with sandpaper, making sure the corners are square.
take your time, and make sure your posts will line up right and be square to each other. next, dig some 8-10 holes to below the frost level in your area usually three feet or a bit more . unless you are strong like bull, this is made much easier with the use of a rented power augur, and is well worth the $40 or so for the rental.
how to install a diy timber frame pergola kit; square up posts 3of12 continued from: how to install a timber frame pergola kit; getting started 2/12 . right now we are going to square up this concrete patio, measure the pad.
pergola post information: pergola post length we offer posts with standard lengths of 8 feet, 10 feet and 12 feet. when trying to decide the length of pergola posts needed for your wood pergola kit, there are a few things to consider.
use a water level to get the posts all the same height. a single piece of clear tubing a bit longer than the widest span, fill it with ice tea, and bring one end to post a and one end to post b. mark the height of the water at each. they are level. it is both simple and accurate.
diy pergola plans. build the posts from 4×4 or 6×6 lumber, plumb them with a spirit level and lock them into place with two braces. afterwards, insert several lag bolts through the anchors into the posts. last but not least, remove the braces and install the beams.