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Design of External Steel Beam
for Cavity Wall with Flat Roof


Please fill in all fields below: 


     Length of opening:                         m
 
A:
  Span of rafters:                             m
 
B:
  Span of ceiling joists:                     m
 
     Thickness of wall:                         
  
C:
  Height of wall between floors:        m
 
D:
  Span of floor joists:                       m
 
E:
  Span of flat roof joists:                   m
 


Full Name:     
 
Address 1:     
 
Address 2:     
 
Town:            
 
Postcode:     
 
Telephone:    
 
Email:            
 
 
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