E-WS-6 STEEL - MODULAR BUILD TWIN METAL FRAMES - Modular Steel Frame Housing Modular build twin metal frames Only for use in lightweight steel frame modular housing DETAIL INFORMATION Floor and Wall Combinations Checklist Visual indicators of critical features you must get right Additional Information Please refer to the Robust Details Handbook for full details of the required construction (including details of Tables 3c and 4 of the Introduction) SIGN IN / SIGN UP To download the online Handbook