Purlin Calculator - BETA TEST VERSION

Calculations to BS 5268-2: 2002 & BS 5268-7.6: 1990

Welcome to the beta test version of our new Purlin Calculator. Please try it and it let us know what you think, we would really appreciate any feedback. The final version will be released soon.
PLEASE NOTE: DO NOT USE CALCULATIONS FROM THIS BETA TEST VERSION FOR A REAL PROJECT.

The beam span length is fixed for this demo version. The full version allows you to design beams of any size.

1 Enter Purlin Details

1.1 Span, slope, purlin and rafter spacing

This demo version is fixed at 1m clear span. The full version allows any size

Purlin spacing
Rafter slope (min 15, max 45)
Purlin spacing on the slope
Rafter width
Rafter depth
Rafter spacing
This is the distance between rafter centres. Usually 400, 450 or 600mm, but any value can be used up to 610mm max

1.2 Purlin

or
2 Loadings
Dead load on the slope
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