Hurricane Guide - Texas Department of Insurance Choose your opening type +/-70 Single - 4080 +/-70 Pair - 8080 +/-80 Single - 3070 70 psf 777E TDI Evaluation 70 psf 777E TDI Door Specifications TDI FAQ Sheet 70 psf 747 TDI Evaluation 70 psf 707 TDI Evaluation 80 psf 707 TDI Evaluation