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At London Asphalt we offer a complete mastic asphalt balcony waterproofing service. This includes both repair work and the waterproofing of new balconies. No matter how big or small your job, our professional team will be happy to help. We have a wealth of experience and promise any work we carry out will be finished to a high standard and completed on time.
Asphalt has a fantastic reputation in the construction industry due to its outstanding waterproofing properties and its carbon zero rating. Although more famous for its waterproofing of flat roofs and flooring, it is also frequently used to waterproof balconies. In London where most of our work takes place, if you look up you can see an abundance of residences with asphalt balconies. And in reality, a lot of these asphalt balconies are hard to identify as they are covered with promenade tiles or some other type of decorative tile. Similar to a flat roof a balcony should be designed with drainage falls no shallower than 1:40.
Mastic asphalt is a construction material which is used for waterproofing. It is perhaps most famous for its use on flat roofing. An asphalt roof has the versatility to serve both as a standard flat roof or as a roof which must meet heavier demands. An example of an asphalt roof which must meet heavier demands would be roofs used as service decks. This versatility makes it a great material for other applications such as flooring, asphalt steps, car park and balcony waterproofing.
The composition of mastic asphalt is made up of various limestone aggregates which are combined with bitumen. This bitumen may or may not be modified with polymers. The reason for this addition of polymers is to give the mastic asphalt better performance and handling during the installation process. Modified bitumen blocks are available through manufacturers such as IKO1 and Guaranteed Asphalt2.
Another way to produce asphalt with better handling is to use a mix which combines 'Lake Asphalt'3 with bitumen. The more 'Lake Asphalt' present in the mix the better the performance and the handling. The mastic asphalt mix must be applied to an application using a wooden float or spatula after the blocks are heated in an asphalt mixer.
The reason mastic asphalt is such a great waterproofing system is because bonded asphalt contains no voids. And in modern times its carbon zero rating has made it a particularly attractive waterproofing material to specifiers. This environmentally friendly status has made mastic asphalt, already known in the construction industry as ‘The King of Waterproofing’ an increasingly popular material. Asphalt Balconies offer many benefits which are laid out below.
• It is an environmentally friendly carbon zero rated product.
• Mastic asphalt is 100% waterproof and has proved its effectiveness over decades.
• A seamless finish is provided.
• A variety of tiles can be applied over the waterproofing upon completion.
• Can be easily repaired if problems arise.
• Can last for many years (50+ years), making asphalt a cost effective waterproofing solution if maintained correctly.
If your balcony does need any repair work the good news is this is normally a straightforward and cost effective process. Below we list some of the most common reasons repair work is needed. It is important if you spot any of these problems to get repair work promptly as it is likely your balcony is already suffering from water ingress.
Problems Indicating Repair Work is Necessary:
• Mounds on The Surface of the Balcony
• Any Cracks in the Surface
• Wrinkles on the Surface
• A Fading in the Colour of The Asphalt
• Pools of Water on the Surface of The Balcony
• Upstands Pulling Away from The Wall
• Surface Pulling Away from The Wall of Upstand
• Mortar Finishing an Upstand Has Failed
• Improper Height of Upstand
• No Chase Cut into Wall
• Moss or other Plant Life Growing
• If Coping Stones Are Used Any Break Down In The Mortar Which Joints with the Upstand
If you would like our team at London Asphalt to provide a free quotation or some advice on the waterproofing or any repair work please contact us via our email address, email@example.com or call us on 07739207726.