Wind rating for sheds

Wind rating of particular areas and sheds is one of the most common questions that is being asked by many customers every day. It is a tricky one to answer as there is a fair amount of information to cover here.

The wind rating of your area is determined by your geographic region, shielding, topography and terrain conditions. It is an information that you need to obtain from your local council by calling them and asking for the wind rating of your particular address (the address of the property you are planning to build the shed on).

This information is not available to the shed suppliers and it is the responsibility of the customer to make sure they know the wind rating of their property and purchase a shed that complies with the local authority’s requirements.

Wind rating is classified with “N” or “C”. N stands for “normal” or “non – cyclonic” while C stands for “cyclonic”. This issue gets a little more complicated as some manufacturers still use the old “W” wind rating classification. Absco sheds for example use the “W” rating and our customers ask us often how it compares to the N and C ratings.

We have prepared a rough comparison table below for illustration purposes, to give you an idea on how the W rating compares to the C and N wind rating. I hope that you’ll find it useful. We also displayed the Pa rating and the maximum wind speed that a certain classification can withstand to demonstrate it further.

If you have any comments or questions please do not hesitate to leave them below and we’ll address them shortly. Thank you very much.

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