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What are the Advantages of a Flat Roof

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  • Posted date:
  • 10-07-2021
What are the Advantages of a Flat Roof

Do you want to find out more about the advantages of a flat roof? We look at the benefits of installing a flat roof for your home or business.

Advantages of Flat Roofs

Flat roofs might not be the most striking choice when thinking about which roof to have on your building or home, and they do come with their advantages and disadvantages. Knowing what these are can help you make the right choice when it comes to your roof. This article will take you through these advantages and disadvantages so you can know whether a flat roof is right for you. 

Flat roofs are some of the more disputed roof styles, with the majority of buildings that utilise them being outbuildings or larger structures. They come with their own unique challenges, and it is essential that you become acquainted with these challenges if you are considering installing a flat roof. But they come with their advantages too, so it's not all doom and gloom.

Lower construction and repair costs

The cheaper costs of construction and repairs are the primary benefits of having a flat roof installed. 

The installation and material costs of creating a flat roof are far less expensive than the alternatives, with flat roof insulation, for example, coming in at around £25 per square metre. 

Given the ease of installation and cheap materials, repairs and maintenance are also very wallet-friendly. 

The labour costs of installing a flat roof are also comparatively cheaper, given that there is less risk involved. Their simplicity also means that flat roofs are quick and easy to install.

Use of Roof Space as Living Area

Again, the space offered by a flat roof is very versatile and can be turned into extra living space for your home. 

Alongside our previous examples of roof gardens and decking, you could turn your flat roof into a terrace or balcony. 

This will help you take advantage of any excellent views that your home enjoys. You may also think of creating a lounge area or barbecue space for you to entertain guests.

Versatility

The large, level space of a flat roof offers you a wide range of versatile uses. Commonly, people choose to turn their flat roofs into gardens, planting flowers, grasses, shrubs or even trees on their roofs. 

The flat surface is also the perfect place for a decking area, so long as the structure can support the weight. Flat roofs are the perfect space to improve the aesthetics of your home whilst providing additional protection against the elements.

Energy Efficiency

Flat roofs have also been known to help keep your home's utility costs down. Sloped roofs often trap warm air in their eaves or allow cooler air to escape outside; a flat roof will not create stagnant air. 

Therefore, especially in warmer climates, you will be able to keep your air conditioning or heating prices low. You can also install solar panels in the new space presented by your flat roof. These panels will also help to cut down on your electricity bills.

Less Maintenance

The ease with which you can access a flat roof, and the simplicity and strength of their construction, means you will not have to carry out as much maintenance on a flat roof. The gutters and top surface are easily accessed for cleaning when needed.

Additional Space

Having a flat, accessible roof adds more room to your home. Aside from decking or a roof garden, you can create almost anything that you can think of. 

Of course, a green roof is more advisable, given that it is ecologically sound, replacing the natural greenery that was taken up to create your home.   

No Interior Sloping Roofs

While increasing the exterior space in your home, a flat roof can also increase the interior space. Apartments at the top of buildings or attics and lofts are all more feasible with a flat-roofed building. 

Without the pitched roofs encroaching on the interior space, flat roofs offer a significant benefit to those needing more space, inside and out.

More Accessible

Flat roofs are also more easily and safely accessible than sloped roofs. Climbing onto them is a far easier job when inspections or repairs are necessary. 

Of course, whenever you are climbing onto a roof, you should take care that you do so safely. Flat roofs are also far more stable, and there is a minimal risk of slipping compared to their sloped counterparts.

How often does a flat roof need to be replaced?

Of course, flat roofs constructed from different materials and roofing systems, some more durable than others, will have different lifespans and need replacing after a certain amount of time:

Asphalt built-up: Depending on the number of piles and the quality of the asphalt, these types of flat roofs will need replacing after around 20 years.

TPO and PVC single-ply: The seams of these flat roofs will last far longer than the rest of the material, and these types of flat roofs will need replacing after around 20 years.

Modified bitumen rolled: Again, depending on the quality of the asphalt and the modifier used, as well as the depth of the membrane, these roofs will need replacing between 20-30 years of.

Standing seam metal: The exposed metal edges of these roofs are prone to rusting if they are in salt-air conditions, such as coastal locations; otherwise, they will need replacing between 20-30 years.

What are the Advantages of a Flat Roof - Bristol, Bath, Chippenham

If you have a flat roof on a commercial building, and you suspect that it needs replacing, doing it sooner rather than later is advisable. This way, you will be able to avoid subsequent damage and increased safety risks. It will also save you the frustration of constantly repairing the roof as it deteriorates.

How long do flat roofs last?

How long do flat roofs last?

Again, different roof types will last for a different number of years:

TPO roof: 20-25

PVC roof: 20-30

Asphalt BUR roof: 20-30

Liquid-applied or coating roof: 15-20  

How do you maintain a flat roof?

There are many ways in which you can increase the longevity of your flat roof through maintenance. Here we have listed a few of the tasks you can undertake to keep your roof in tip-top shape.

Repairing Seams and Membranes

A seam is where two parts of the roof material come into contact with one another. The seams and the membrane of the flat roof are susceptible to leaks. 

These occur mostly where the material meets utilities, such as vents or skylights. The seams can also become weakened by direct sunlight.

How do you maintain a flat roof? Bristol, Bath, Chippenham

Look for Debris

Debris after high winds and bad weather can puncture or damage the material of your flat roof, and removing it quickly can limit the damage it does.

Clear Clogs

Clogs can occur in drains, drainage systems and vents, blocking any rainwater or snow from being diverted from the roof. All drains, vents and scupper should always be kept clear.

Check for Blisters

Blistering is where air becomes trapped between the layers of flat roofing felt. If they burst, water may enter through the opening and damage the structure below.

Check for Splits and Cracks

There are many reasons why roofing system material may split or crack, from bad weather to poor workmanship when installed. Whatever the cause, splits and cracks must be filled in if found.


Are you looking for a flat roof company in Bristol, Bath, Chippenham or the surrounding areas? If you would like more information about our services or to get a quote follow the link below.