Roof gravel blowing and vacuuming: fast, safe and at any height

Blowing and vacuuming roof gravel: fast, safe, and at any height

For over 50 years, P. van der Kooij Groep has been the specialist in roof gravel. With our own equipment, we blow and vacuum gravel quickly and precisely, even at great heights. From new construction to renovation: we ensure your roofing project runs efficiently, without the hassle of cranes or additional equipment. Reliable, safe and sustainable, exactly as you would expect.

tons processed per year
0 +
Why P. van der Kooij Groep?

Efficient gravel blowing and suction to keep your roof strong and safe

Roof gravel has been a proven solution for flat roofs for decades. It protects the roof covering against sunlight and serves as ballast, extending the roof’s lifespan.

At P. van der Kooij Group, we go beyond just supplying: we blow and suction gravel at any desired height, carefully and efficiently. Thanks to our specialized installations and experienced professionals, cranes or additional equipment are often not needed.

Working method

What you can expect from gravel blowing and suction

Applying or removing roof gravel is a specialized trade. With our specially built blowing and suction trucks, we move gravel quickly, safely and without inconvenience to the environment.

Watch video

Project in mind?

Working with P. van der Kooij: worry-free gravel on your roof

A roofing project often requires tight planning and smart logistics. With P. van der Kooij, you bring in a partner who takes the entire process off your hands: from delivery to blowing or suction, and from recycling to removal. Thanks to our own fleet and experienced professionals, we are flexible, quickly deployable and think along with your situation.

Customer Stories

They went before you

We realize diverse projects in Western Europe. From gravel on iconic ships to deliveries for the agricultural sector, always with an eye for quality and detail.

Roof gravel blowing: how it works in practice P
Roof Gravel Blowing: how it Works in Practice
Efficient and clean gravel blowing from our depot in Schiedam, directly applied to roofs.
Read more
Kooijgroep-ss-Rotterdam
P. van der Kooij Groep Provides SS Rotterdam with Ballast Using Gravel
Pvd Kooij Groep Stabilizes Iconic SS Rotterdam with Innovative Gravel Solution for Ballast Problem.
Read more
FAQ

Frequently asked questions about roof gravel

Do you have questions about gravel blowing, suction or recycling? Below you will find answers to the most frequently asked questions from contractors, roofers and building owners.

How Do I Know how much Gravel My Roof Needs?

The required number of kilograms or cubic meters of gravel for a flat roof depends on the surface area, wind load in the region and the function of the roof. At P. van der Kooij, we make a customized calculation so that your roof gets the right amount of ballast. This prevents gravel from shifting or insufficient protection against UV radiation and storm damage. Our team is happy to advise you, tailored to the applicable standards and guidelines for roof gravel ballast.

Yes, thanks to our special suction and blowing trucks, we can safely and efficiently apply or remove gravel, even at great heights. Often the use of cranes or other additional equipment is not necessary, which saves costs and time. Whether it concerns a low industrial roof or a high urban building: we ensure that the gravel is quickly in place without inconvenience to the environment.

Old roof gravel can be recycled. At P. van der Kooij, we ensure that your roof gravel is removed in a sustainable way.

This way we save raw materials, reduce costs and you contribute to circular construction. Our gravel recycling program meets all environmental requirements and delivers a product that is clean and sustainable.

Yes, roof gravel remains a proven solution even in combination with modern roof coverings. It protects the roof covering against sunlight and temperature fluctuations, ensures uniform drainage of rainwater and keeps the roof covering in place during storms. Moreover, gravel is a low-maintenance and sustainable material that significantly extends the roof’s lifespan.

The price depends on factors such as roof size, roof accessibility and whether it involves removal or application. Because we work with our own equipment and experienced professionals, we can offer an optimal price. More importantly: our efficient process saves time and prevents damage, so total costs are often lower than with traditional methods.