What keeps your house standing? Learn how to build and how failures are prevented #build #structure

Earthquakes and high winds can destroy your house. And what keeps your house standing is how it gets connected. So, we'll lay out our bottom plate and our top, line them up, and mark both layouts. Separate our plates, chalk a line, pin it down at this angle, so it can't kick out. If we don't, the bottom can slide out. Lay out your studs crown facing up. Flush up the face of your stud. Remember, don't nail your hand. Sheathing on the ground makes walls heavy, but sheathing after can be a lot more work. Regardless of method, there's always an easier way. You have your roof and rafter, sheathing, double top plate, your bottom plate, and your stud. Before we attach sheathing, we need to square up the wall. Get a measurement corner to corner and be sure the measurements are the same. If we line up this corner and line up our long edge, we can use the edge of this sheet to square up our walls. Overlap your sheathing, snap a line. Use this sheet down on the other side and nail down your sheet. For wall openings, check the required rough opening and build your header. If you just nail a header up, but if you install jacks, give the headers support and mark out your openings. Before we stand up walls, screw in a side brace. >> [snorts] >> So, now when you lift the wall, we can adjust our brace. Nail this off. Now, we'll bump over our plate till we get to our line. Nail it on the joist line. Nails need to go into the bottom plate down into the rim joist. And this connects your bottom plate to the foundation. The sheathing resists uplift. If sheathing isn't properly nailed, this can still rack. Shear force of thousands of nails is actually what holds your structure together. Wall intersections need to be properly tied together. We overlap this wall's top plate, we'll lock these together. If we don't fasten these corners, these walls can fail. You can frame your rake wall on the ground and calculate the take, but platform framing a rake wall can be more forgiving. Trust your math and nail it in. Lift your gable. This has continuous studs from the bottom plate to the top of the rake wall and resists lateral forces. Rake walls on platform framing is not as strong laterally. Set your ridge abrasive needed. Install your rafters. When a rafter's point load is in the middle of a stud, single top plate can be weak. While a double plate is strong, single plate is very weak. As you build, need to install bracing. Bracing keeps a structure from racking, potentially falling. If you want to push the structure this way, needs to wedge off the exterior wall. This gets pushed down, pushes our structure. Install your subfascia. If your subfascia is too low, your decking won't sit on properly. If your subfascia is too high, it'll hold it up. Install your roof decking. Hurricane ties or other fasteners attach your rafters or trusses to your top plate. If one of these doesn't get installed and you get uplift, so if you don't make the proper connection, then your structure can fail. Thanks for watching.