WebbContinuous Insulation with Foam Sheathing WebbInstall before concrete pour with a StrapMate, or other holding device. Nail strap from the bottom up. Install strap plumb. Strap may be bent one full cycle (bent horizontal 90° then …
Shear Wall Hold-Downs UpCodes
Webb7 aug. 2024 · In a portal frame, the header extends past the opening and is tied to its wall with overlapping plywood or OSB to stiffen the joint. The panels are attached to the wall studs and to the header with closely spaced nails, and the sill is bolted to the foundation. Portal frames are easy to build on site, using common, familiar materials. WebbA404.2.4 Guidelines for the Seismic Retrofit of Existing Buildings, Shear Wall Hold-Downs. Shear walls shall be provided with hold-down anchors at each end. ... Weak or Open Front Walls > A404 Prescriptive Measures for Weak Story > A404.2 Minimum Required Retrofit > A404.2.4 Shear Wall Hold-Downs. dasher central
A Practical Guide to Building in Seismic Zones JLC Online
Webb15 dec. 2024 · Simpson Hold-down Nominal Capcities. We are doing an ASCE 41-13 upgrade to a wood building and need to add hold-downs to the ends of some shear walls to resolve the overturning forces. All Simpson holdown values published are allowable loads and we need to convert them to the nominal value. Does anyone have any references on … WebbTo retrofit the roof of an existing home for high-wind or seismic resistance: ... Please consult an engineer to help determine the best hold downs to use and the best location to place the hold downs. ... Simpson Strong Tie. Organization(s) Simpson Strong Tie. Publication Date. July, 2012. Webb6" Simpson SDS screws or equivalent through blocking into header 11/4" nuts and washers Existing stem-wall foundation, mudsill, 2x8 joists, and 5/8" sublfoor Soffit Existing opening Steel shear panel Existing shear wall removed 30" Soffit 18'-6" vaulted ceiling 8'-0" rough opening Existing drywall and plywood cut back Two hold-down bolts per ... dasher coloring page