I'd argue against a blanket rule of 6x6s everywhere. Smaller pergolas, especially where anchored on one side to a building, and using dried cedar vs. wet PT can get away with using 4x4s. But yeah, I think the core of your point is "don't cheap out and undersize" stands true.
Bolts and screws are commonly used fasteners to keep the machine parts together. There are many different types of bolts and screws varying types of heads, threads and more. Different versions are used depending on the application requirement. Many times people misuse the terms "bolt" and "screw".
On the first post, measure one inch from the bottom and top of each girder, center on post and mark with a pencil. Using a drill with 1/2-inch bit, drill a hole at each of the two marked spots extending through both girders and post. From the outside, hammer 10-inch carriage bolts through holes and secure with washers and bolts.
Pergola Depot Pergola Comparison Chart 877-563-0002 www.pergoladepot.com A Comparison of Pergola Styles anchor bolts, anchor bolts, anchor bolts,
How to Build a Pergola Attached to House in the wet cement, one in each cement footing. Make sure they are level and plum. Use hex bolts or carriage bolts
Our next step was to drill two ½ holes, one above the other, through both headers and the posts. We secured each header/post connection with two 8 galvanized carriage bolts, washers and nuts, and then repeated the header installation process with the other set of posts. Avoiding Lawsuits in Style
How to Build a pergola Cross supports. Simply cut one end of a 2 x 6 or bigger, I used a 2 x 10 at a 45 degree angle, at your desired length, for us that was 4 feet in length. Then nail or screw it to each of the 6×6s and the inside of one of the 2×12s. This will add stability to the structure.
When the deck was being built, we had the contractor attach two 24-inch all-thread bolts into the decks foundation so he could use these to anchor the two legs of the pergola. In the photo above, you see one of those bolts sticking out from the side of the deck bolt is just above the far-left end of the lattice in the lower portion of the
Two-by cleats tacked below the mark on each post supported the girders while I was drilling and bolting them. You can use gun nails or screws, but make sure to set the fasteners in the corners so that they dont interfere with the through bolts that will secure the assembly.
Killing the myth of the Grade 5 bolt. There are so many old wives tales inside of the hot rod world. It particularly makes my blood pressure rise a bit to see a semi-mainstream media publication let one of their editorial writer, who happens to own one of the most recognized hot rod name brands, continue to enumerate and lend legitimacy to
Position the pergola arbor beams. Bolt the beams to the top of the posts with 12mm 1/2 galvanized coach/carriage bolts. Use two bolts at each meeting, eight in all. Cut, trench, and position the rafters