Cool Roofing
&
Waterproofing
Technologies
High-performance cool roofing, high-reflectance waterproofing.
Reduce the energy footprint of your buildings.
Extend the lifespan of your roof.
Cool roofing haute performance, étanchéité haute réflectance. Réduisez l’empreinte énergétique de vos bâtiments. Prolongez la durée de vie de vos toitures.



Job site
Carrefour 83 — 2022
Our HVAC consumption decreased by 26% in 2022, despite the heat wave.
,,
—Nicolas,
Technical & Safety Manager,
Carrefour
Client
Portfolio









High-end
Solutions

Cool Roofing
Improve
your building’s energy efficiency

Waterproofing
Get your roof
secured and extend its lifespan

Audit
Get a clear picture
of critical failure points before taking action

IoT sensors
Go beyond
and turn our roof into
a Smart Roof

Security
Secure
and facilitate
work at height

Raincycle
Upcycle
rain water to reduce your environmental impact

Maintenance
Focus on your
core activities, we're taking care of the rest
High performance
Cool Roofing Solution
DRYLAST CRWR® — High-reflectance white coating designed to enhance energy performance. It helps reduce your air conditioning consumption while simultaneously lowering your carbon footprint.
High Reflectance
Waterproofing solution
DRYLAST CRWP® — The seamless and highly durable Liquid Waterproofing System (LWS). Backed by a ten-year guarantee and globally approved by FM Global. Adheres directly to all major roof substrates.
Audit
by
Drones
This preliminary audit allows us to identify with surgical precision the critical points of your roof. Thermal bridges, leaks... Our drones won't miss a singe detail!
Smart solutions
&
IoT sensors
Surface and underside temperatures, energy consumption... The data collected in real time by our sensors empowers you towards an optimized management of your infrastructures.
Safety
&
Compliance
Standardized solutions (NF) for collective and individual protection. Secure work at height and minimize the risks associated with it. Facilitate maintenance operations.
Rain water
Harvesting
Rainwater is effortlessly collected thanks to the impermeable surface. It can then be upcycled for maintenance, cleaning or watering, thereby reducing your environmental impact.

Caretaking
&
maintenance
Reduce your maintenance costs, or free yourself from this concern completely. We take care of the maintenance of Drylast roofs while you focus on the most important : your high added value activities.
Who
are we?
We are Drylast.
We are innovating the existing roofing market.
Our mission : ensuring the longevity of your buildings while reducing their energy footprint.
Our latest
blog posts
Techné — 2022
Since the Drylast treatment, we have had no leaks and we have noticed a 30°C temperature drop on our roof this summer. It’s amazing !
,,
— Jérôme, Innovation Lead & Group Head of Maintenance, Techné