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| Wool insulation | Foam polystyrene insulation | Trapezium-shaped corrugated metal |
| 1. heat-welded membrane 2. mineral wool 3. polyethylene sheet 4. trapezium-shaped corrugated metal 5. load-bearing structure |
1. heat-welded membrane 2. foam polystyrene 3. polyethylene sheet 4. trapezium-shaped corrugated metal 5. load-bearing structure |
1. corrugated metal 2. steel rafters 3. load-bearing structure |
The above roof types are an optimum solution ideally suited to the HHBS hybrid construction system.
