Structural Work in Manhattan Beach With Plywood Shear Walls
Plywood shear panels for a Manhattan Beach fire repair, chosen to hold their nails when moisture reaches the wall, and fastened to an engineer's schedule.
Structural plywood goes on every braced wall when we rebuild a Manhattan Beach frame after a fire. Those panels keep the house from racking in an earthquake, and they do it through their nails. Near the ocean, moisture can reach a wall during the build and long after. Strand board swells at its edges when wet and stays swollen, loosening its hold on the nails. Plywood takes wetting with less swelling and dries back flatter.
Panels, nails and edges
The engineer's shear wall schedule sets the panel thickness, the nail size and how closely nails are spaced along panel edges and in the field. Edge nailing does most of the work, so every panel edge lands on a stud or on blocking, and nails are driven flush without breaking the face veneer. Overdriven nails cut capacity, and an inspector can reject a wall that has them. Hold-downs at each end of a braced wall carry the uplift the panels pass to them. We keep panels covered on site and off the ground until they go up.
Wet panels and the inspection
Plywood can tolerate rain during framing, but wood that went up wet has to dry before insulation and drywall close it in, or trapped moisture feeds mold and decay. We check panels with a moisture meter before the cover-up and wait when the reading is high. The building department inspects the nailing on every braced wall before anything hides it. On the outside, a weather barrier lapped shingle-style over the plywood and corrosion-resistant nails near the ocean keep water and rust away from the panels.
About our Structural Work serviceEverything we build in Manhattan Beach
Structural Work in Manhattan Beach: questions
Look at the sheathing and its nails as closely as the studs. After a fire, panels can delaminate from heat or swell from hose water, and nails can rust or pull loose. We open walls where damage points, check panel faces and edges, probe the framing behind them and put the findings in writing for the engineer.
Rebuilding or adding braced walls usually needs one, since the panel, nail spacing and hold-down at each end all come from calculations. Work on beams, posts, footings or anything else that carries load calls for one too. The building department checks the shear wall schedule against those numbers before issuing the permit.
Yes, and on many walls the plywood is the upgrade. Where the engineer finds a wall line short of bracing, more panels, closer nailing and new hold-downs can go on while the studs are bare, and the sill can take added anchor bolts wherever the floor or wall is open to it.
Structural Work in other cities
More we build in Manhattan Beach
Plan your project in Manhattan Beach
Tell us about the property and what you have in mind. We reply with a written next step.