Expert

Franz Sahler

Franz Sahler
ö.buv SV for plastering
On the pile of stones 19
D-54343 Föhren

Fax: 49 (0) 6502 93 56 15
"Publicly appointed and sworn experts"

The term "expert" is not legally protected in Germany!
The consequence of this is that basically everyone can call themselves an "expert" without having to prove their qualifications.

Many “freelance experts” must have had excellent technical and specialist knowledge, but this knowledge generally never had to be proven by an independent institution.

In contrast to the general term "expert", the term "publicly appointed and sworn expert" (ö.buv SV) is legally protected according to § 132a.
The chambers of handicrafts only order and swear in specialists with particularly outstanding qualifications. It certifies that the expert is particularly qualified in a specific area. The applicant undergoes an extensive training and examination process. All ö.buv experts have to undergo a constant Ford education process. The necessary evidence of the training is subject to constant monitoring by the chambers of crafts.
If the requirements are not proven, the status of “publicly appointed and sworn in” will be revoked.

Through this procedure, the legislature makes a clear distinction between the actual experts and the professional group of independent experts.

Because of this you always get the security of an independent, non-partisan expert opinion from a "publicly appointed and sworn expert". No matter whether as a private report or as a court-ordered report.
The publicly appointed and sworn expert is also authorized to act as a mediator in the form of an “arbitration report”. In this way, lengthy and costly legal disputes can often be avoided.

On the basis of the above-mentioned requirements, Franz Sahler was appointed in 1999 by the Trier Chamber of Crafts to be a "publicly appointed and sworn expert for the plastering trade".



Professional background
1986 Master examination in plastering
1988 Exam for "Restorer in plastering", Chamber of Münster
1999 Appointed to be an Ö.buv expert in plastering, HWK-Trier
2007 exam for "building energy consultant", HWK-Trier



Service profile, experts ordering plastering

  • Piece
  • Restorations, inventory, documentation, restoration concepts
  • Interior and exterior plasters
  • Restoration plasters / moisture analysis / salt determinations
  • Analysis of mold and algae formation
  • Thermal insulation composite systems
  • Calculation of thermal insulation certificates, dew point, water vapor pressure etc.
  • Building energy advice
  • Drywall, stud walls, sloping ceilings
  • Acoustics and fire protection
  • Heat / cold / sound insulation


Field of activity as a publicly appointed and sworn expert in plastering

  • Private appraisal
  • Court opinion
  • Arbitration report
  • Checking and acceptance of construction work in plastering according to VOB
  • Advisory work by clients and architects before and during the construction phase
  • Creation of tender and service texts
  • Cost analysis for energetic renovations of old buildings
  • Thermography and blower door test in cooperation with a local engineering office



Assignment and remuneration

The assignment of my person as a publicly appointed and sworn expert in plastering in the performance profile and field of activity listed above is usually in writing, with the sending of an expert order.

The remuneration / remuneration for my work is in accordance with the Justice Remuneration and Compensation Act (JVEG) valid since July 1st, 2004.

After this, the time required for the expert work is calculated for the following services:

  • Study of the court files including the file files
  • Realization of the site and object inspection
  • Time to draft the summons and the site visit log
  • Investigations, measurements, laboratory tests
  • Travel time for site and property inspection
  • Time spent on drafting, dictating and reviewing the report

  • Deduction samples

    Ausführung von Abzugsproben

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  • Component opening

    Messung der Restfeuchte innerhalb der Bauteilöffnung

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  • Image title

    Untertitel hier einfügen
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  • Thermography

    Untertitel hier einfügen
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  • tensile strenght

    Bestimmung der Zugfestigkeit des Klebemörtels mit dem Untergrund

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