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Case study, ceiling drilling

At Distrimo, ceiling drilling goes from 80 to 200 holes a day

Worker using the Sept Tools Perc'height cart to drill a ceiling, hammer drill held by the mast bracket.

200 holes a day, up from 80 with the traditional method

The Perc'height on site, under a ceiling roughly 2.90 metres high.

On this job, fixing metal reinforcements to the ceiling above technical ducts meant drilling overhead, arms raised, standing on a rolling platform. With the Perc'height, Sept Tools' ceiling drilling cart, the crew drills standing, with the hammer drill carried by the cart.

Results

Three key figures

  • 200 holes drilled per day with the Perc'height, against 80 with the traditional method.
  • x2.5 daily output multiplier (200 divided by 80 equals 2.5).
  • 3 m maximum height of the cart.

On site

The job in five steps

  1. 01 / 05

    A demanding job

    Metal reinforcements had to be fixed to the ceiling at every technical duct, across 9 floors. Close to 100 ducts in total, for around 3,000 holes.

  2. 02 / 05

    The old method

    One worker held the hammer drill overhead with raised arms, standing on a rolling platform.

  3. 03 / 05

    The Perc'height

    A ceiling drilling cart on a wheeled base, with a telescopic mast and a bracket that holds and aims the hammer drill. Height is set with a hand crank, no raised arms.

  4. 04 / 05

    On site

    The cart is positioned under the duct and the height is set to the ceiling, roughly 2.90 metres up, with a vacuum attached to catch dust at the source. Workers drill standing.

  5. 05 / 05

    The numbers

    200 holes a day with the Perc'height, against 80 with the old method, a daily rate multiplied by 2.5.

The project

The job

Across this 9-floor site, the site crew had to fix metal reinforcements to the ceiling at every technical duct. Each duct took 2 metal plates, drilled with 15 holes each, under a ceiling roughly 2.90 metres high. Across the whole site, around 11 ducts per floor added up to close to 100 ducts and about 3,000 holes.

See also the Perc'height product page and our page on ceiling drilling.

Close-up of the Perc'height cart's telescopic mast, with the drill bracket, under the ceiling.
The mast bracket holds and aims the hammer drill under the ceiling.

In the field

What changed for the crew

With the Perc'height, workers no longer hold the hammer drill overhead with raised arms. The crew reported several concrete changes:

  • No more holding the hammer drill overhead.
  • A more ergonomic, more comfortable posture.
  • Less fatigue and less felt vibration.
  • Built-in dust extraction that sharply cuts dust at the workstation.
  • Practical equipment, easy to handle and manoeuvre.
  • More regular, better controlled holes.
  • Easier precision thanks to the cart's built-in height setting.
  • Better acceptance of the task among the crew.
  • Reduced intervention time and less overlap with other trades on site.
  • A solution the crew considers reusable for other ceiling drilling work.

Customer feedback

Customer feedback

According to the site engineer on the job, the Perc'height changed how the crew approaches ceiling drilling. She points to the end of overhead drilling with raised arms, a more comfortable posture and less felt vibration for the workers, along with dust extraction that sharply cuts dust while drilling. She also highlights how easy the cart is to handle, the regularity of the holes thanks to its built-in height setting, and a task better accepted by the crew, with reduced intervention time and less overlap with other trades on site. In her view, the solution can be reused for other ceiling drilling work.

Site engineer on the job. Feedback passed on by Distrimo, a distributor of our machines and the customer who tested the Perc'height.

Frequently asked questions

The Perc'height, your questions

Which hammer drills work with the Perc'height?

The cart accepts any commercial SDS-Plus hammer drill, so you work with your own tool, which is not supplied. You must send us your hammer drill model so that we can confirm the bike-brake-style handle with you before you order.

How high can the Perc'height reach?

Its maximum height is 3 metres, set with a hand crank, with less effort.

Does the Perc'height reduce overlap with other trades on a busy site?

Yes. On the site where Distrimo tested it, intervention time and overlap with other trades were reduced across 9 floors.

Does the cart capture drilling dust?

It connects to a vacuum that extracts dust at the source, right at the drilling point.

Is the Perc'height only for duct reinforcement work?

No. On this site, the crew found the solution reusable for other ceiling drilling tasks.

Ceiling drilling coming up on a job?

Request a quote or a demonstration of the Perc'height, on your site or in our workshop.

04 77 60 60 74 Request a quote