Roughing In the Venting Stacks and Drain Lines

            After hanging the fascia, I install the ship-lap up to the row of blocks, but only half way through the block so that my plywood rest on them also. When this task is finished, I get off the roof to go run the rough plumbing. I drill the holes and worm the piping though the studs. On this project there are several 4 x6s stud members for the H D and the sheer walls. I have not drilled through them by choice. Instead, I combined these shorter runs and take one stack up through the mid span or fire block and through the double plate where I angle the stack into the space above the C Js but under the rafters to be combined. There I am tie them together, so I will need only one penetration through the plywood.

I then build a stand to stack the plywood sheeting on to begin sheeting the roof. The ship-lap gives me a good platform to work from as I pull up and tack the plywood into place. If I need to cut any plywood, I do both sheets at the same time by overlapping one and then tack them down to ensure a great fit. I then place the Simpson H clips to optimize stability. Plywood decking is supposed to have 1/8” space because it swells and shrinks form the moisture content in the air. If this spacing is not provided then the plywood buckles and pull the seated nail from it wood. When these H clips were introduced, we were told that they would insure proper spacing, but many noticed that by adding one to the sheeting between each rafter in the center of the span cause the two sheets to work together, thus improving the sheeting’s stability. I have seen where this step has been performed improperly and the plywood rot or become de laminated. I have seen where this wasn’t done and the movement of the plywood cut through the felt and allow the shingle to ware away prematurely.

When this step is finished, I make sure my braces have not pulled out and my interior walls are plumbed. Then I nail down the sheeting as called for in the plans which is usually a six-inch spacing one the two narrow ends of each sheet and twelve inches though out the body of the sheets. This typically is nailed using 8d common nails. I adjust my nail gun to insure I do not cut the top ply of the sheeting. Note: Images on this blog site are from a free source or taken by the author. No image or group of photos is intended to represent the people the author serves. The author does not care about Race (that is a politically correct term that he does not like because we are all of the same Race, the Human Race. He prefers the term ethnicity, color, religion, sex, gender, marital status, disability, genetic information, national origin, source of income, Veteran or military status, ancestry, citizenship, primary language or immigration status.) He is a service provider for all people. We will all rise together when we band together and help one another. Joseph Erwin is a Real Estate Broker, DRE # O2131799, and a CA general contractor # B 696662. He’s a member of the CRMLS and The East Valley Association of Realtors located in the Inland Empire region of Southern California.