This joist bracket is rated at 1000 lbs. capacity. This rating is based on the bracket being anchored to poured concrete using (2) 3/4" Hilti TZ or KB3 Kwik-Bolts with a minimum 4" embed and torqued at 100 ft-lbs. **No calculations or testing have been performed on these brackets using anything other than poured concrete wall type. Any deviation from the recommended attachment will require application-specific engineering approval.**