We are about to replace the roof on our glass-enclosed patio. Currently, there's a worn-out PVC plastic roof that's deteriorating, and we're considering switching to a multi-wall polycarbonate of 16-32 mm. I'm wondering if the previous owner calculated the strength correctly. There haven't been any issues in the 10 years the roof has been there, but...
The house has eaves all around of about 85 cm. The roof beams are attached to the load-bearing beam on the house's facade and measure about 460 cm out to the outer load-bearing beam. The patio roof itself measures about 359 cm from the eaves to the outer load-bearing beam. When I calculate the dimensions of the roof beams, it feels like none of the measurements are entirely correct to use? That is, the beams are indeed 460 cm, but snow will only be able to accumulate on 359 cm, if you know what I mean. Does anyone have tips on which value I should use in the calculations?
Best regards,
Mattias
I would probably have calculated on 460, it might not be completely covered with snow but it is compensated by the snow that falls down from the upper roof...
I would probably have calculated on 460, it might not be completely snow-covered but it's compensated by the snow that falls down from the upper roof...
/ATW
Good point, thanks!
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