GEF Design Manual All Design Manuals are in Adobe pdf format. 00 Preface - EXTREN® and Other Proprietary Pultruded Products 01 The Basics 02 Introduction to EXTREN® 03 Properties of EXTREN® 04 Availability List 05 Tolerances 06 Elements of Sections 07 Safety Factors 09 Compression Members 10 Fiberglass Plate 11 FIBREBOLT® Studs and Nuts 12 Fiberglass Grating 13 SAFRAIL™ Handrail & Ladder Systems 14 DURASHIELD® & DURASHIELD HC® Building Panels 15 COMPOSOLITE® Building Panel System 16 Flooring and Decking Systems 17 EXTREN DWB® Design Guide 18 Custom Pultrusions 19 Fabrication 20 Strongwell Specifications 21 Project Worksheets 22 Corrosion Resistance Guide 23 Metric Design Information 24 Appendix
