Why adopt a roof reflective ? What are the benefits of cool roofing ?

Discover how this simple solution allows you to refresh the buildings and to reduce their energy consumption and carbon footprint. In this article, we will answer all your questions :

What is the cool roofing ?

The cool roofing refers to the application of a paint reflective specific on the roofs to reduce the heat absorption. Reflecting up to 90 % of the solar radiation, this solution allows you to maintain a lower temperature inside the buildings. It is especially effective for improving the thermal comfort and decrease the energy consumption and thecarbon footprint.

How does a reflective paints for a roof ?

A reflective paints and captures less heat than a traditional roof. Its reflectance index solar (SRI) high prevents the accumulation of heat and limit the transmission of heat in the building. This results in a reduction of cooling needs and an increase in the duration of life of the white roof treaty.

Sans cool roofing, avec cool roofing... Quelle différence ?
Les peintures réfléchissantes comme le CoolRoof permettent aux bâtiments de mieux résister à la chaleur tout en réduisant leur consommation énergétique et leur empreinte carbone.

What are the real benefits of cool roofing ?

✔ Up to -7°C in the interior

✔ Reduction of the consumption of air conditioning by up to 40 %

✔ Saving an average of 5€/m2/year on energy costs

✔ Reduction of CO₂ emissions by up to 36 kg/m2/year

✔ Extension of the duration of life of the roof by upto 12 years

These figures are only valid for the CoolRoof of Cool Roof France, the european leader of cool roofing. There areother companies of cool roofing which the numerical results are different.

What types of roofs are compatible with the cool roofing ?

The cool roofing is compatible with several types of surfaces :

✔ Metal roofs (tray, steel, aluminum) ;

✔ Roofing bituminous ;

✔ Asbestos-cement and concrete ;

✔ Sheet polyester fiber or polycarbonate.

Only the membranes in PVC, EPDM or TPO are not compatible.

Le cool roofing expliqué : Pourquoi appliquer une peinture réfléchissante blanche sur un toit permet de rafraîchir passivement un bâtiment.
Le toit, 5ème façade du bâtiment, joue un rôle clé dans la régulation de sa température, sa consommation énergétique et son empreinte carbone.

The cool roofing effective is it in the winter ?

Yes, although its main advantage is the reduction of heat of the summer, the white roof also maximizes the thermal insulation in the winter by reducing extreme temperature variations.

The cool roofing is an eco-friendly solution ?

Yes ! The coating, Cool Roof is eco-designed, VOC-free (Volatile Organic Compounds), and is comprised of oyster shells recycled. It contributes to the reduction of urban heat islands and is part of a sustainable approach.

Faire une peinture à l’huître ? C’est la particularité des produits Cool Roof !
Faire une peinture à l’huître ? C’est la particularité des produits Cool Roof !

How to apply a reflective paints on a roof ?

1. Cleaning thewater, and application ofan adapted primary, if necessary ;

2. Once the mount is clean and dry, apply the first layer of BaseCoat ;

3. Drying 24 hours, and then applying the second layer of BaseCoat ;

4. Drying 24 hours, and then application of the TopCoat.

The CoolRoof sapplied manually : with a roller or a paint gun high pressure electric or thermal, says “airless”.

L'application des peintures réfléchissantes pour toits comme celles de Cool Roof est si simple qu'elle ne nécessite pas d'arrêt des activités dans les bâtiments.
L'application des peintures réfléchissantes pour toits comme celles de Cool Roof est si simple qu'elle ne nécessite pas d'arrêt des activités dans les bâtiments.

The cool roofing is it a regulatory requirement ?

The cool roofing nis not mandatory, but many regulations to encourage its adoption, including :

The Decree Tertiary

The Decree Tertiary is a decree ofapplication of the law Elan of 2019. He gives thegoal to reduce the energy consumption of buildings 40% by 2030, 50 per centby 2040, and 60 per centby 2050.

The DSRA

The Corporate Sustainability Reporting Directive is a directive of theeuropean Union adopted in 2024. It aims to raise the requirements of postponement option extra-financial at the level of the postponement option management for large companies. Althoughit is affected by the Omnibus Law of 26 February 2025, itremains a standard major regulatory for years to come.

What is the lifetime of a coating of cool roofing ?

A coating, Cool Roof well-maintained lasts between 10 and 15 years , thanks to its UV-protection and anti-fouling. Cool Roof now offers a range of services for the maintenance of the performance of the coating.

Where to buy a paint reflective roof ?

The products Cool Roof are available through specialty distributors and can be applied by professionals to ensure optimal performance.