The span of roof glazing is classified as the downslope dimensions between the centre lines of the fixing positions rather than the glazing bar length which is always longer than the span.
Glass roof span tables.
Crn30 clear glass roof front end.
Pitching beams 23 common installation details 25 notches cuts and holes in beams.
The following tables give details of the allowable spans and spacing for some of the more common timber sizes used in traditional roofing construction.
Three main factors for determining the weight load of your glass table top is glass thickness the square footage of the glass and the distance between the structural support eg.
For each combination of span and span rating loads are given for deflections of l 360 l 240 and l 180 and maximum loads controlled by bending and shear capacity.
For special application conditions for tables 1 2 and 3 use the factors listed in table.
These minimal steel supports can span large distances and can suit a more industrial effect design.
The use of technical glass solutions and coatings can make your structural glass roof a higher performing element of your project.
Thicker glass table tops are capable of holding more weight.
Span for the purpose of using these tables span may be interpreted as the clear distance between supports measured along the beam.
Crn60 glass roof attached to side fascia.
Achievable spans are dependent upon many factors including.
Table 3 capacities may be adjusted for panel type using table 4.
Pitched roof timber sizes.
Glass load calculator by one day glass to request a quote please give us a call at 800 452 6117.
Building codes allow reductions in live loads based on duration of load.
All the figures are based on roofing tiles or slates laid on timber laths over sarking felt.
Crn40 clear glass roof viewed from below.
Crn100 detail of clear glass patio cover.
Applied parallel to supports.
Crn50 gable style clear glass roof.
Single span beams are.
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Maximum clear span of rafters in metres for roof pitches of between 15.
For a different appearance steel t or box sections can be used to support the glass joints within a glass roof.
The glass should be fully framed on all the four edges with a minimum of 8mm to 1077mm maximum toughened glass between the supports 10 1650mm span and 12 1930mm span.
Crn80 blue tint glass roof bottom view.
Roof beams 20 verandah beams 22 garage roof.
Please use the closest span option for your glass s actual span.
Span is the distance between supports.
Crn90 clear glass patio cover.
