The renovation of the roof is an operation that involves major work. At the same time, you must insulate it, review its tightness and change the tiles if necessary. These steps are essential for healthy living in a home and especially for saving energy.
If it is recommended to renovate the roof of the house every 20 to 30 years, certain repairs can be carried out very often to preserve it. Follow the advice in this article to succeed brilliantly in your work.
WHEN SHOULD THE ROOF BE REPLACED?
The roof is the main element that serves to protect and secure an entire home. It also adds an aesthetic touch while ensuring the comfort of its inhabitants. Generally, it is the weather conditions, the external constraints that damage it. Thus, to keep it in good condition, you must regularly renovate it.
The renovation works concerning the roof contain the repair of the coating by doing specific treatments such as replacing it when it is in very bad condition. The construction must be intact. In this case, it is the cover that must be changed. If the roof has suffered serious damage, you must replace it entirely.
It is therefore very important to check this part of your home at least once a year or after a bad weather episode. Do not hesitate to call a roofer:
Every 10 years for a roof less than 10 years old
Every 2 years for a 20 year old roof
Every year for a 40 year old roof
By doing this, you keep your roof in good condition. This reflex also makes it possible to identify the warning signs of problems, such as:
Lack of tile or slate
The absence of infiltration and water leaks
The appearance of moss or lichen on the tiles
Oxidation of slate hooks
The undulation of the tiles
The roughness of the zinc cover
ROOF RENOVATION WORK PROGRESS
Once the construction site starts, you must regularly check that it is running smoothly. Of course, you cannot directly climb on the roof. The only technique to ensure the progress of the work is to follow the different steps below to the letter:
The placement of the cover
This very delicate step is mandatory in roof repairs. To start, the craftsman puts a waterproofing sheet made of polyethylene. This element quickly guarantees the tightness of the roof, especially in the event of storms. This cover also serves to protect the bare frame.
Removal of sealing elements
To further increase the waterproofing of this cover, install an under-roof screen (HPV). This is an essential process in the event of a complete renovation of the roof. This element is placed between the roofing material and the frame. It comes in the form of a thin rigid or flexible film.
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By putting it in place, the roofer limits the risk of infiltration within the building, specifically around sensitive points such as the chimney or the antenna. It is also mandatory if a tile moves due to a gust of wind. In addition, it preserves the technical qualities of the attic insulation. Thanks to this, you will have a considerable reduction in your monthly energy bills.
Laying the cover
After fixing the roofing support and the elements that compose it (band, closing and edge strips), there is the installation of the roofing covering you have chosen.
Pay particular attention to the flashings which seal all around chimneys and roof windows. When the tile, slate or zinc is laid, the roofer finalizes his work by installing the zinc work: gutters, downspouts, etc.
The end of the construction
When all the work is completed, you must draw up a report of acceptance of the work with the craftsman you have hired. Carefully check the connection of the zinc elements, the flashings, the laying of the tiles and the connections with the windows.
Keep all the documents relating to your site well. They will serve you for the next 10 years.
THE PRICE OF ROOF RENOVATION
In fact, the budget to be planned during the renovation of the roof depends on several criteria such as its condition, its age, the type of roof, when was the last repair, the roofing materials installed, etc. But, your expenses can be reduced by applying for financial aid, grants or tax incentives.
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Before reducing your rate through the various aids, first, compare the companies in competition. Use the free forms on the websites of companies or roofers to get a non-binding offer. This tool provides several examples of quotations and an estimate of the cost per m² of the renovation of the roofs in general.
Financial aid can be granted by the State through the ANAH. This subsidy is granted within the framework of three respective programs: “ Habiter Sain ”, “ Habiter Serene ” or “ Habiter Mieux ”.
ANAH housing is eligible for these subsidies under certain conditions:
if completed more than 15 years ago
if the owner has not been entitled to a PTZ for 5 years.
Renovation work must begin after the application for aid has been submitted. This roof renovation energy bonus will not be the same for modest and very modest homes.
The zero-rate eco-loan (eco-PTZ)
Accessible to all owners, whether they occupy their home or rent it out, the eco-PTZ allows them to benefit from a loan of a maximum amount of €30,000. It particularly concerns all roofing work carried out by an RGE professional and for the following amounts:
€30,000 for overall energy performance or for a package of 3 words or more over 15 years;
€25,000 for a package of 2 works over 10 years;
€15,000 for a single action (€7,000 for glass walls);
€10,000 for a non-collective sanitation system.
In addition, a co-ownership eco-loan, reserved for syndicates of co-owners, is also available. The PTZ can be combined with the CITE, former CIDD, and the complimentary loan for sustainable development. It is a very attractive aid, because it reduces the overall budget by several thousand euros.
The exceptional energy renovation bonus
The exceptional PERE energy renovation bonus is intended for all owner-occupiers with average incomes who wish to undertake roof repairs.
It mainly concerns the main residence of more than 2 years in Metropolitan France. In the overseas departments, on the other hand, it considers at least 2 actions from the package of works carried out by professionals.