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No structural calculation required within limitations assessed by BRE Certification/BRE Limited, compliant to most recent wind code BS6399.
Beam Suitability Proposals 1200mm and 1800mm
Uses: Porches, lean-to’s, main frame extensions and gazebos.
Beam Suitability Proposals 2400mm, 2600mm, 3740mm, 4940mm Uses: extensions, conservatories, garages, stables, sun shelters, garden rooms, outbuildings and commercial.
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