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.

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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

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Cool Roofing

Improve
your building’s energy efficiency

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Waterproofing

Get your roof
secured and extend its lifespan

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Audit

Get a clear picture
of critical failure points before taking action

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IoT sensors

Go beyond
and turn our roof into
a Smart Roof

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Security

Secure
and facilitate
work at height

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Raincycle

Upcycle
rain water to reduce your environmental impact

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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.

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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

Retour sur le SITL 2025 x Densilast

Drylast x BePositive 2025 : nos solutions au service de la transition énergétique

How to protect your solar panels from heat ?

Understanding roof optimization with reflective waterproofing and IoT

Cool roofing : a completed project for Carrefour Tournefeuille

Meet us at Pollutec Paris 2024

Job site
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 !

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— Jérôme, Innovation Lead & Group Head of Maintenance, Techné

Get in touch
today