Inspection covers at a glance

PRIORIT Inspection covers - Large scale access for the technical building equipment (TGA)

Vast selection of inspection covers
Suitable for all types of walls - lockable - inexpensive

PRIORIT inspection covers leave no wishes unfulfilled. From inexpensive wall panel to hatches to classy premium covers, PRIORIT offers the right solution for each type of wall and every purpose.
The large selection ensures that a suitable inspection cover is available for any fire protection measure. As the locks work with DIN single cylinders, all PRIODOOR models (from the small hatch to the big door) can be opened and closed with keys from the building locking system. This provides safety and saves cumbersome searches for the right key during maintenance work.

In addition to many standard sizes you can get customized PRIODOOR fire safety covers for the price of standard products.
Find out now about all model types. All covers are made of non-combustible and classified materials and can be supplied with individual surfaces: white, grey, coloured, patterned or simply primed for painting. 

For electricity distributors
For electricity distributors
For piping
For piping
For HVAC
For HVAC

Inspection cover

Buildings must have safe escape and rescue routes according to the Model Building Regulations (MBO) so they can be safely evacuated. The design of installation ducts and particularly of inspection closures are regulated by the Model Directive on Technical Requirements for Fire Protection with Respect to Conduit Systems (MLAR).


There are four essential requirements for closures of installation ducts:

  • Permissible types of wall
  • Non-combustible
  • Fire integrity
  • Smoke-proof



Therefore, select and design closures for installation ducts with building components that were specifically designed and approved for that purpose. With regard to the common requirements for installation in wall types, non-combustibility, fire resistance and smoke-proofness, these are inspection closures specifically approved by the building authority as inspection closures, such as the inspection closures of PRIORIT. From inexpensive wall panel to hatches to classy premium covers, PRIORIT offers the right solution for each type of wall and every purpose.

PRIORIT Benefits

      • Lockable with DIN profile cylinder as standard
      • Tried and tested in many types of wall
      • Custom-made production at the standard price*
      • Varied design with the best surfaces


      * Except PRIODOOR ETX E

      PRIORIT Safety

          • Fire resistance 30/90 minutes, F 30/EI 30, F 90/EI 90
          • Smoke protection for cold and hot fumes
          • Non-combustible composite, classified A2 – s1, d0
          • MLAR, sample pipe installation directive
          • Access protection through PC-lock cylinder/system

            Product Overview of inspection covers

            PRIODOOR FLEX Inspection door, 3 to 5 leaf without center bar

            PRIODOOR FLEX
            Inspection door, 3 to 5 leaf without center bar 

            - Single-layer, self-supporting inspection
              door system without centre bars
            - 3, 4 or 5-leaf design
            - Door leaf up to (H x W) 2.09 x 0.80 m
            - Suitable for installation in PRIOWALL (System 42)

            Productinfo to PRIODOOR FLEX

            PRIODOOR ETX Revisionstür

            PRIODOOR ETX
            Inspection door, universal  

            - Inspection door for assembly optionally
              in or on the wall
            - For GRP shaft walls, stud walls and solid walls
            - Available as single and double panel
            - Door with profile half cylinder mounted
              in the frame
            - All-round frame
            - GRP front-panel mounting up to
              1,200 mm x 1,200 mm possible

            Productinfo to PRIODOOR ETX

            PRIODOOR ETX A inspection door, flush

            PRIODOOR ETX A
            Inspection door, flush 

            - Inspection door for flush assembly in
              GRP shaft walls
            - Shaft structure optionally 2 x 20 mm
              or 2 x 25 mm
            - Single panel
            - Door with profile half cylinder mounted
              in the frame
            - All-round aluminium profile with
              fire and smoke sealing
            - Dimensions (basic dimensions H X W) up to
              2,100 mm x 850 mm

            Productinfo to PRIODOOR ETX A

            PRIODOOR EVX Fire protection barrier, surface mounted

            PRIODOOR EVX
            Fire protection barrier,
            surface mounted 

            - Fire protection barrier for complete
              surface mounting
            - For solid walls
            - Available as single and double panel
            - Swivelling lever lock with profile half cylinder
            - All-round, fully covered assembly frame
              with fire and smoke sealing
            - Dimensions (H X W) up to 2,500 mm x 2,300 mm

            Productinfo to PRIODOOR EVX

            Screw-fastened wall element PRIOPANEL

            PRIOPANEL
            Screw-fastened wall element  

            - Suitable for large areas, ceiling-high
              closures of installation shafts
            - Suitable for GRP shaft walls and solid walls
            - Frameless assembly
            - All-round fire and smoke sealing
            - Made to measure up to (H x W)
              3000 x 625 mm - at no extra charge

            Productinfo to PRIOPANEL

            Inspection cover, flush PRIODOOR ETX E

            PRIODOOR ETX E
            Inspection cover, flush 

            - Inspection cover for flush assembly
              in GRP shaft walls
            - Shaft structure optionally 2 x 20 mm
              or 2 x 25 mm
            - Cover without door hinges, locking the
              stainless steel frame, lockable with
              profile half cylinders
            - All-round fire and smoke sealing
            - Dimensions (basic dimension H X W) 300 x 300 mm
              up to 700 x 700 mm

            Productinfo to PRIODOOR ETX E

            For every building situation, the perfect fire protection solution 

            Simply combine your preferred wall type with PRIORIT inspection and fire protection closures for the most economical solution to separate distribution systems in escape routes, create installation ducts and construct fire compartments.

            Inspection covers or fire resisting closures (doors) in installation ducts?

            Have you ever been offered a fire door for installation in a duct? Have you ever installed a fire door in a duct?

            In “Feuertrutz Spezial” (magazine) you can read for yourself, what the differences are between inspection closures for installation in installation ducts and fire resisting closures for the separation of spaces and fire zones. You will see that fire resisting closures, which commonly are referred to as "fire doors”, meet far less criteria than inspection closures.