How much snow can a roof support?

Posted on by Protech Roofing Team

During cold British winters, there is often a strong possibility of heavy snow across the nation. Though creating a beautiful landscape, sheets of snow atop the roofs of properties around the country can in fact be more problematic than is necessarily realised.

There are various signs to look out for which could indicate that your roof is at risk of collapse or certainly damage from the amount of snow it is bearing, some of which are as follows.

Obvious sagging of your roof

If there are visible signs that your roof is sagging, it is clear that the snow on top of it is causing it to bear excess weight to what is natural and comfortable for the roof. Snow is deceptively heavy, and can easily cause structures to sag even when built from the most robust materials.

Odd noises coming from the roof

If you can hear creaking or popping noises coming from your roof, it could be a sign that it is supporting too much snow. Noises like this should not be heard from your roof usually, so if you are aware of them this is a clear sign that something is wrong.


Naturally if your property is suffering from leaks from the roof, it is likely that it has become overladen with snow, and the large amounts of snow are melting and creating damp and leaks within your roof’s structure.

There are some roofs that are more prone to buildups of snow than others, such as flat or low pitched roofs. Due to their angles, these roofs cannot simply ‘shed’ snow by letting it slide off; rather, the snow builds up on them and sits with no exit route before ultimately melting.

How to clear the snow from your roof

If your roof is laden with snow and you are worried about the effects mentioned above, do not panic – there are a handful of simple solutions which can be used to clear the snow away, making your roof clear and dry once again.

Choose a good shovel, as a well-made tool will make all the difference in the task of clearing the snow away
Make sure you wear good footwear and safe attire to ensure you are safe and secure when venturing up to your roof
Do not dig too deep or try and pick at any ice surrounding the shingles of your roof, as this could damage them and subsequently weaken your roof and its structure as a whole
Remove the snow bit by bit, rather than piling it all up into one area, as this could put excess pressure on that area, which could cause it to collapse

Here at Protech Roofing, we are committed to ensuring your property’s roof is in good condition at all times throughout the year. As a specialist commercial roofing contractor, our expert teams are fully qualified to carry out any work required to keep your roof smart, functional and safe at all times. For more information on any of our services, get in touch with our friendly team today – we’re happy to help with any enquiry.

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