Mark the center of your posts and use a 16mm spade bit drilling down as far as the bit will allow.
How to build a pergola nz. Place these at least half a metre back from your outside corners. Arrange for a building inspector from council to check the work. Next build your profiles. Lift beam into place fill.
Secure it to the framework with extra screws to hold the rafters in place. Fill holes in posts with glue using a high performance epoxy anchoring system. Measure and cut the bearers. The pergola is over a deck which is accessed via french doors from the living room.
Step by step to a diy garden pergola 1. Check the rules with council. Measure to the underside of the bearer i chose 2 2m. Cut threaded rods to length width of beam depth of hole room for nut and washer.
A builder attaches a 10 square metre pergola to a dwelling. To get a consent you ll need to. Apply for final council sign off a code compliance certificate. Where the stringlines meet will be the outside corner of your posts.
Mark and dig 400mm x 400mm x 600mm deep holes for each post. Pay the building consent application fee. A council installs a 3 metre wide decorative pergola that runs the full length of a 250 metre long pathway in a public park. Add a length of wood called a cleat underneath your outside beams to hold the rafters in place.
Complete and submit the building application form. Run stringlines from your profiles which will give you the outside area of your pergola. Once you have put all the posts in you re ready to put up the external beam.