Although flat roofs are more common in commercial buildings, you will also see some residential homes with flat roof installation. Somehow, most of these residential flat roofs were installed by contractors with little or no experience dealing with flat roofs so that they need repairs before reaching the minimum life expectancy of the material. If one uses a single ply rubber membrane in a flat roof, and if it was not properly installed, then the roofs will leak easily. Before, flat roofing did not use this material but it was made of a base sheet and multiple layers of felt paper and hot asphalt or coal tar. With the use of a gravel cover, the flat roofing materials increased its life. This type of flat roofing is called built up roofing. This type of roofing use less high tech materials but it definitely outlasts the one that uses a single ply rubber membrane in residential applications. And it is only because the installation procedure is inconsistent. To learn more about Roofers London, follow the link.
If you want to replace your flat roof instead of repairing it because of expense, then you should hire a roofing contractor that has experience in installing flat roofs. It is important that you check their references before signing the contract. It can be difficult to find a competent roofer that knows how to install flat roofing on a residence. Knowing how to install asphalt shingle roofs does not qualify one to know how to install flat residential roofs. Most flat roof installers only take on commercial roofing jobs, but if you are patient in looking for a flat roof installer for residential applications, then you will surely find one. The best information about London Roofing Service is available when you click the link.
If you are installing flat roofing, you can use one of several materials. Single ply membrane is used in most low slope commercial roofing. However, others claim the newer materials like self adhering membrane system, or a PVC membrane which uses hot air welded seams. Roofing contractors would use materials that fits their preferences. So you will need to find a roofing contractor in your area with years of experience. Location of your house is important since there are materials that wok best in extreme hot or cold.
There are options for repairing a single ply membrane flat roof. Seams of the single ply membrane is where the leaks occur and so to repair this means to cover the seams with black rubber flue or peel and stick flashing material.
This can extend the life of your flat roof for a short period. These repair materials don’t usually come in small quantities so unless you can find a roofing contractor who will sell you just the amount you need, you may end up spending a lot of money on materials. Know more important information about roofing https://en.wikipedia.org/wiki/Roofing.