
Simpson STC 18-Gauge Roof Truss Clips
Model No. STC Measures. 1-1/4 x 1-7/8 x 2-3/4 Gauge. 18 Coating/Material. Zinc Galvanized, G90 Simpson roof truss clips are used for alignment control between a roof truss and nonbearing walls the 1-1/2" openings permits vertical truss chord movement when a load is applied. Installation Install with 8d common nails Use STC or DTC depending on required loads. STC, installed with DS drywall stop, helps prevent fasteners tearing through the ceiling drywall (see installation illustration). Use STCT where truss or rafter is separated from the top plate of the nonbearing wall. Install slot nails in the middle of the slot. Products not intended for floor applications due to the frequency of floor joist deflections and potential for squeaks.