Flat Roof in the Snow

Has the weather damaged your flat roof?

It’s no surprise that England faces its fair share of gale force winds, snow and torrential rain but most recently we’ve all had to battle through the snow and freezing temperatures. With severe weather warnings issued, it was certainly playing havoc with roads and properties.

With extreme weather conditions comes potential damage, especially for flat roof owners. The age, type of flat roof and the quality of the products used are contributing factors as to how well a flat roof can handle a lot of rain, snow and ice. You should check your flat roof regularly, take a look at our 5 signs that your flat roof requires maintenance article to know what you should look for.

Flat roofs cannot rely on gravity to dispose snow and ice in the same way that a pitched roof is able to. If a flat roof is holding a lot of weight, no matter the type of roof it is, it will still place serious stress on the roof. Older flat roofs that are most commonly seen on carports, sheds and garages were not designed to support a lot of weight.

Ice on Flat Roof

Most common problems with snow and ice on your flat roof?

Traditional flat roofs such as felt roofs tend to suffer more from strong winds, snow and ice. Over a period of time, with the cold and heat, felt becomes very brittle and starts to crack. This evidently leads to the possibility of water penetrating through causing cold, damp and ruining the plaster board ceiling. In most cases, ageing roofs need to be replaced.

Heavy snowfall like we have recently experienced can cause puncture wounds on traditional flat roofs which can lead to serious damage if it is not taken care of very quickly. Another problem that flat roof owners face involves the melting and re-freezing of the roof top snow which takes place naturally so we have no control over it, unless you remove the snow every time it lands on the roof! Furthermore, when snow melts, it tends to re-freeze at the edges and other joins of your roof which ultimately creates an ice dam. If this process repeats itself, over time it will cause a flat roof to rapidly deteriorate.

Ponding refers to water that accumulates in pools when the roof becomes overwhelmed with the amount of snow or rain it is experiencing. Standing water on your flat roof after 48 hours can essentially degrade the material and make it more prone to leaks.

If your flat roof is old, it is most cost effective in the long term to consider a replacement with a properly installed and designed flat roof using advanced materials that will perform well in any climate.

Can they be repaired?

We are not able to determine whether or not the damage to your flat roof is repairable without carrying out a full site survey. The cold weather may stay for a little longer so in the meantime, let us investigate the performance of your flat roof. We operate all throughout Liverpool, contact us.