How JM EXIM eliminated complaints in the French market thanks to COMBI threshold technology

See how Alumaster threshold technology helped reduce the risk of leaks in balcony doors with a movable mullion, stabilise production quality and avoid costly complaints in the demanding French market.
logo JM Exim
Wdrożenie systemu progowego COMBI w firmie JM EXIM

Alumaster — threshold systems are our specialty.

After the first trial installation and technical support on the production line, JM EXIM implemented the COMBI threshold in balcony doors intended for the French market.

5

%

of complaint reports before changing the threshold solution

1

.

trial COMBI installation on the production line

0

.

complaints after implementing the system

Wdrożenie systemu progowego COMBI w firmie JM EXIM
JM EXIM FENÊTRES is a manufacturer of PVC and aluminium joinery based in Przeźmierowo.
Frame

Initial situation

JM EXIM FENÊTRES is a manufacturer of PVC and aluminium joinery based in Przeźmierowo, specialising in the production of windows, doors and terrace constructions. For years, the company has been developing sales to the French market, where end customers have very high expectations and every complaint requires a quick, specific response.

Before starting cooperation with Alumaster, the company used a different threshold solution. For a long time, it did not cause any major problems, but over time, reports concerning tightness began to appear — mainly in double-leaf balcony doors with a movable mullion.

The problem concerned the lower part of the structure, at the point where the threshold connects with the door leaves. Under certain conditions of use and building exposure, customers reported water entering the interior. Although the scale of complaints was around a few percent, for a manufacturer exporting joinery to France, even individual cases meant real organisational, financial and image-related costs.

Challenge: a complaint in the French market costs more than the technical problem itself

The French market is demanding and strongly consumer-oriented. In the event of a complaint — as Adam Wyttyk from JM EXIM points out — the manufacturer is expected to respond quickly, even when the problem occurs hundreds of kilometres away from the production facility.

In practice, this means:

  • the need to organise on-site service in France,
  • cooperation with local installation teams,
  • higher service costs than in Poland,
  • temporarily delegating a production employee for a service trip,
  • disruption to the plant’s day-to-day operations,
  • the risk of losing the end customer’s trust.

We noticed a problem that we wanted to address quickly. Service costs in France were not low, and outsourcing them even to trusted partners generated high expenses compared with Polish market realities.”

Adam Wyttyk, JM EXIM

The company’s experience shows that the real cost of an export complaint often goes far beyond the repair itself.

Estimated cost of one export complaint

Based on a typical scenario — a 2–3-day trip by an employee from Poland to France — the following cost components can be identified:

transport — fuel / flight / motorway tolls / car rental: PLN 1,400–3,000
accommodation and daily allowances: PLN 1,100–2,000
employee working time and absence from production: PLN 1,200–3,000
service materials: PLN 200–800
possible cooperation with a local team: PLN 500–2,000
organisational costs — coordination, customer service: PLN 200–800

Total: approximately PLN 5,000–10,000 per single complaint

This estimate is indicative — actual costs may vary depending on the location of the project, the scope of repair or the service organisation model. In practice, this means that the cost of handling a single complaint very often exceeds the value of the component that caused it.

By taking a responsible approach to the issues reported by customers, JM EXIM was therefore looking for a solution that would help eliminate the source of the problem already at the production stage — so that doors and windows would remain watertight not only on the day of handover, but also after years of use.

Solution implemented by Alumaster

JM EXIM came to Alumaster through a recommendation from a friendly production company near Poznań, which had already been using COMBI threshold solutions and had not experienced similar complaint issues.

The first step was contact with an Alumaster advisor, followed by a trial installation of the COMBI solution for the Aluplast system directly on JM EXIM’s production line.

The installation involved representatives of the solution provider, including a technical advisor, as well as the company’s production employees. The aim was to check how the system performed in the specific construction of balcony doors with a movable mullion and whether it could be smoothly incorporated into the existing production process.

The test window from the first installation remained at the company as a reference display sample.

The implemented solution included:

  • the use of the COMBI threshold system,
  • adapting the solution to balcony doors with a movable mullion,
  • technical support during the first installation,
  • practical verification of the solution on the production floor,
  • confirmation that the system could be used in ongoing production for the French market.

Why COMBI proved to be the right choice

In the case of JM EXIM, the key point was not simply to replace one threshold with another. The goal was to implement a solution that would reduce the risk of leaks in the most sensitive area of the structure — where the threshold, leaves and movable mullion need to work together as a tight system.

COMBI helped organise this area and increase the predictability of the final result.

Arguments in favour of implementation:

  • guaranteed tightness in the lower area of balcony doors,
  • good compatibility with structures featuring a movable mullion,
  • implementation without complicating the production process,
  • advisory support from Alumaster during the first installation,
  • positive experience of other manufacturers,
  • a real reduction in the risk of costly export complaints.
Wdrożenie systemu progowego COMBI w firmie JM EXIM

Outcome of the cooperation

After implementing the COMBI system, complaints concerning leaks in balcony doors with a movable mullion stopped occurring.

For JM EXIM, this meant not only a technical improvement, but also greater peace of mind in serving the French market. The company was able to reduce the risk of situations requiring costly service abroad, cooperation with local teams or delegating production employees to handle complaint-related work.

“Since then, we have not had a single complaint.”

Adam Wyttyk, JM EXIM

This is particularly important in an export model, where distance multiplies the cost of every intervention. A complaint that can be handled locally in Poland quickly becomes a logistical and financial challenge in a foreign market — and eliminating it already at the production stage translates directly into savings and stable cooperation with the customer.

17

+

years of experience in the industry

3000

.

satisfied customers per year

56

.

production audits supporting customers

Benefits for JM EXIM

Initial process

Each complaint in the French market meant real costs — often exceeding the value of the component requiring improvement. The implementation of a certified threshold solution helped reduce the risk of: organising service work in France, involving local installation teams, sending production employees abroad. In practice, this meant greater control over operating costs.

Certified system

The French market takes care of the end customer, and expectations regarding quality are high and clearly defined. For the manufacturer, this means the need to provide solutions that are repeatable, predictable and resistant to real-life conditions of use. COMBI solved the problem by reducing the uncertainty associated with product performance in a demanding market.

Manufacturer’s reputation

JM EXIM builds its position as a company that does not ignore problems, but actively responds to customer needs. Eliminating the cause of complaints, rather than just their effects, helped maintain the image of a reliable and responsible manufacturer committed to the quality of the solutions it implements.

What our system implementation process looked like

1

Trial installation

Alumaster’s technical advisors carried out a trial installation of the COMBI system directly on JM EXIM’s production line. The work was carried out together with the client’s team, which made it possible to: verify the solution in practice, adapt it to the specific construction, assess its impact on the production process.

2

Production implementation

After the positive testing stage, JM EXIM began regularly using COMBI thresholds in balcony doors intended for the French market. The solution was incorporated into the standard production process without the need to reorganise it.

3

Final result

After implementing the COMBI threshold system, the company did not record any further complaints related to leaks at the movable mullion. This confirmed the effectiveness of the solution in real-life conditions of use.

Would you like to see how the COMBI system can optimize your production as well?

We are happy to share our experience and help you choose a solution tailored to your door designs.

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