A white roof combines the advantages of greater comfort, energy savings and reused rainwater.
Hot summers, even in our latitudes, will become more frequent. Offering better living comfort for the people of your house, your building without exploding your energy bill is very tempting. Derbigum Aquatop Reflective white is an ultra-reflective membrane, Derbicolor White with white flakes and Vaeplan White with a white coating in the mass are products of choice for a Cool Roof effect, passive cooling. They reduce the penetration of heat into the building by up to three times. The temperature is reduced by up to 5°C in summer . The SRI, Solar Reflective Index is 101 according to ASTM E 1980.
The heat can severely overwhelm the people of a building, a school, a retirement home or even offices in the city. Taking care of people’s well-being is a noble value. It is also environmentally friendly, since the reduction in temperature benefits the urban island, which also sees the average temperature of the block decrease. It is not for nothing that New York’s skyscrapers have white roofs.
Since the temperature of the roof surface is reduced, cooling devices such as those used for air conditioning or refrigerators are less stressed. Not only are they not pushed to the maximum, but they also reduce power consumption. Directly visible on your energy bill and your carbon footprint! La Marée, the Rungis MIN pavilion for the fish market, the famous covered market in Paris, has understood this.
This is also the case for photovoltaic panels! They offer a better yield when the surface is white, up to 0.5% for each degree above 25°C.
The quality of Derbigum Aquatop reflective white, Derbicolor FR white as premium membranes validates a durability of 40 years. The BBA report confirms this after surveying 40-year-old roofs at various European sites.
The white coating in the mass guarantees the long-lasting effect of the white in spite of the weather. It is recommended to carry out maintenance once or twice a year to guarantee the original whiteness.
At the end of its life cycle, Derbigum Aquatop Reflective white and Derbicolor white FR are 100% recyclable for a more circular economy. The white Vaeplan is also recyclable.
Your flat roof project is an achievement for life. Are you hesitating and would you like to be inspired by the realisation of other buildings similar to yours? Let yourself be inspired … by building sites where the Derbicolor FR, Derbigum Aquatop, Vaeplan membranes have added that extra touch that makes all the difference.
With a few clicks, generate your own specifications and find the waterproofing solutions adapted to your project.
Taking into account information specific to your roof such as the existing support, the percentage of the roof slope, the insulation, the downloadable specifications describe, step by step, the appropriate waterproofing system and highlight the points of attention not to be missed for the successful waterproofing of your flat roof with Derbicolor FR, Derbigum Aquatop, Vaeplan.
Where to find us?
To obtain the best price quotation, an application according to the rules, the standards in force and an excellent service, contact a member of the Derbigum Approved Contractors network. These companies are approved by Derbigum. They are on the cutting edge of the knowledge, they have followed the latest training courses, both technical and practical, and benefit from Derbigum’s frequent support to offer you perfect waterproofing. Receive a quote without any surprise and an efficient and pleasant service.
Whatever your request, your question, you will always be welcome at Derbigum! Our mission is to answer in the most efficient and relevant way possible! Do not hesitate to contact us.