Simpson Strong Tie THA218 18-Gauge Adjustable Truss Hanger
Simpson Strong-Tie THA adjustable truss hangers' extra long straps allow full code nailing and can be field-formed to give top flange hanger convenience. Straps must be bent for top flange hanger installation. PAN nailing helps eliminate splitting of 4x2 truss bottom chords. The Strong-Tie THA218 adjustable truss hanger features a G90 Galvanized coating and requires the use of hot-dip galvanized fasteners which meet the specifications of ASTM A153.
Fasteners required: Top - (4) 0.148" x 3" Nails Face - (2) 0.148" x 3" Nails Carried Member - (4) 0.148" x 1-1/2" Nails
Manufacturer name: Simpson Strong-Tie
For Treated Lumber: No
Use all specified fasteners.
For the THA29, nails used for joist attachment must be driven at an angle so that they penetrate through the corner of the joist and into the header. For all other top flange installations, straighten the double shear nailing tabs and install the nails straight into the joist.
Top Flange Installation—The straps must be field formed over the header - see table for minimum top flange requirements. Install top and face nails according to the table. Top nails shall not be within 1/4" from the edge of the top flange members.
Face Mount Installation—Install all face nails according to the table. Not all nail holes will be filled on all models. On models where there are more nail holes than required, the lowest 4 face holes must be filled. Nails used for the joist attachment must be driven at an angle so that they penetrate through the corner of the joist into the header.
Alternate Installation—The THA 4x hangers may be installed in a top flange configuration using the tabulated fasteners for face mount installation and achieve the face mount installation loads. Install the tabulated face nails into the face and top of the carrying member. Nails used for the joist attachment must be driven at an angle so that they penetrate through the corner of the joist into the header.
Uplift—Lowest face nails must be filled to achieve uplift loads.
California Proposition 65
⚠WARNING: – www.P65Warnings.ca.gov.
We are providing this warning pursuant to a law passed by California in 1986 called the “California Safe Drinking Water and Toxic Enforcement Act of 1986”, or “Proposition 65” for short.
A Proposition 65 warning does not mean a product is in violation of any product-safety standards or requirements. In fact, the California government has clarified that “[t]he fact that a product bears a Proposition 65 warning does not mean by itself that the product is unsafe.”
The California agency tasked with implementing Proposition 65 has also explained, “You could think of Proposition 65 more as a ‘right to know’ law than a pure product safety law.” See http://oehha.ca.gov/prop65/background/p65plain.html
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