Do you need to renovate your roof? Waterproofing, insulation problem, damaged cover? Before replacing your entire roof, know how to identify the various problems with it and find suitable solutions. Because not all roofing problems necessarily require a complete renovation. Some advice before embarking on major work.
When it comes to roof renovation , prevention is better than cure. To do this, make sure to have the framework , insulation and covering of your roof inspected regularly depending on its age.
The French Tiles and Bricks Federation (FFTB) recommends having your roof checked by a roofer every year.
If you have omitted this step or if, despite this, problems appear, you will need to assess, alone or with the help of a specialist, the level of intervention necessary to renovate your roof . So small renovation or major work? It all depends on the symptoms to spot. Answers to the following questions.
Roof renovation: how to spot problems?
Roof leak repair €400 including tax on average (tiles, wood, metal roof) and €600** including tax on average (slate)
Roof waterproofing Between 15 and 40 € / m² excluding tax
Roof insulation Between €20 and €30 excluding tax/m² (lost attic space), between €25 and €100** excluding tax/m² (interior insulation), between €100 and €300 excluding tax/m² (external insulation)
Complete roof renovation €1,300 including tax on average\ ¹
These averages are calculated from different quotes from professionals using the Travaux.com connection service.
Roof repair: spot problems based on the type of roofing
Different roofing problems can appear with wear and depending on the surrounding environment. Sea spray or pollution in the city can accelerate the deterioration of common materials.
The repair of a tiled roof or a terracotta roof is carried out on average every 10 years, except in certain environments such as forestry. If moss appears, appropriate treatment carried out without delay can stop the proliferation.
If they are terracotta tiles, signs of wear are easily visible: fragments break off and fall. A roof renovation must then be considered urgently.
The slate roof must be reviewed every two years to replace broken or damaged slates and replace those that have moved with the wind. Repairing a slate roof requires you to be well equipped so as not to damage materials in good condition by walking on them.
Repairing a shingle roof depends on the general condition of the roof. If a part more exposed to the elements and UV is discolored or if cracks are visible, this part must be replaced.
The repair of a flat roof , the repair of a zinc roof or a roof terrace often involves waterproofing. All you need to do is check for possible leaks and observe the appearance of the material: zinc, for example, must show a certain roughness.
Repairing a roof leak , such as repairing roof waterproofing by installing a new seal or applying a professional sealant, is common and can be completed quickly.
When to undertake larger works?
It may be necessary to completely redo a roof in slate, terracotta or another noble material when the frame must be changed or when the insulation must be installed from the outside. (with the sarking method for example).
The zinc roof must be checked regularly, especially after a storm or severe weather. Even if it is very resistant, it may have suffered serious damage which will require it to be replaced in part or in full. It is also necessarily redone when converting the attic and if the roof must be raised.
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