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Version Date: 
2025-11-25
44
ROOF LOAD WIDTH (RLW) MULTI-SPAN
  
STEP 4        DETERMINE THE ROOF LOAD WIDTH (RLW) ON THE BEAM 
Figure A9
Figure A8
Roof Load Width on the House = 50% of Panel Span ”A”
Roof Load Width on the Outside Beam = 50% of Panel Span ”A” + Overhang “C”
Roof Load Width on the Centre Beam = 50% of Panel Span ”A” + 50% of Panel Span ”B”
Roof Load Width on the House = 50% of Panel Span”A”
Roof Load Width on the Outside Beam = 50% of Panel Span ”B” + Overhang “C”
ROOF LOAD WIDTH (RLW) SINGLE-SPAN

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