Folding grilles

Keroll folding grilles

For the highest level of security

Are you looking for particularly effective burglary protection for your customers’ properties? Then you should take a closer look at our scissor grilles! While an alarm system only goes off after someone has gained access, a scissor gate simply and effectively prevents unauthorized entry into an object that needs to be secured in advance. Here you can find out more about the high-quality grilles from Keroll.

For over 100 years, we at Keroll Kerger GmbH, as an experienced industrial door manufacturer, have been producing scissor grilles of the highest quality for our partner companies in the areas of shopfitting, sun protection, roller shutters, gate construction and metal construction. Every single grille that leaves our production halls is a unique piece made in Germany and offers reliable burglary protection against usual perpetrators for securing windows, patio doors, shop entrances, shop windows and passages. It is best to contact us directly if you would also like to benefit from our expertise.

Protect what is valuable –
Folding grilles in standard or special versions

Thanks to their nature, our metal folding grilles offer a very good level of burglary protection even in the standard version.

The construction of the standard grilles in detail:

  • Material: galvanized steel or stainless steel
  • Double rods: vertical double rods as 10 x 20 x 10 x 3 mm U-profiles
  • Rails:lower and upper rail as U-profile 30 x 50 x 30 x 3 mm: upper rail fixed, lower rail can be folded up – from a height of 2,500 mm upper rail as U-profile 50 x 50 x 50 x 3 mm. Front rail (closure rail) and rear rail (back reinforcement) for single-leaf scissor grilles as 30 x 50 x 30 x 3 mm U-profile.
  • Scissors: Scissors made of 18 x 4 mm flat steel running over three double bars, clear bar spacing max. 120 mm. Two rows of scissors up to 2,400 mm grid height, three rows above this.
  • Rollers: smooth-running ball bearing rollers with plastic coating
  • Grids: either fixed or swiveling (90° and 180°) grid packages.

Application examples of folding grilles from Keroll Kerger GmbH

We also offer scissor grilles as a WK3 or RC3-tested special version with multiple locking, hardened scissors, stainless steel rivet bolts and saw protection for double bars. RC3 stands for “resistance class 3” – in German: resistance class 3. Gates and grilles that are certified as RC3 in accordance with the DIN EN 1627-1630:2011 test standard provide resistance to a break-in attempt using a defined set of tools for at least five minutes

Solid. Space-saving. Accessible.

Despite the very thick materials used and the highly durable design, folding grilles from keroll are comfortable and easy to use. With their different space-saving installation versions, they are particularly suitable for subsequently securing the doors and windows of a property. When the folding grille is open, the lower rail can be folded up, the concentrated grill pivots thereby allowing unobstructed access with maximum possible passage width and no sill.

The benefits of our folding grilles:

  • reliable anti-burglar protection
  • prevents damage to windows and doors
  • minimum installation space required
  • comfortable, simple to operate
  • durable
  • individual construction in accordance with customer requirements
  • standard ball bearing rollers
  • high quality surfaces
  • can be retrofitted

Professional folding grilles for every need

The satisfaction of our customers is our top priority. That’s why we design all folding grilles exclusively according to customer requirements using individual drawings (CAD). Whether galvanized steel, stainless steel or in a powder-coated version, with special radii or in special widths: with us you get the right product for almost every application, because we build your folding grille to measure. Certainly!

Do you have any questions about our Do you have any questions about our folding grilles?

Get in touch with us – our team will be happy to help you at any time.
You can reach us by phone on +49 (0) 2 02 – 2 46 57 0 or via our contact form or by email.

We look forward to your inquiry!