english | deutsch  
    LOGEL LTD   Products > Industrial doors > Technical specification     
      Product Description  
      Technical Specification  
      Product Description  
      Technical Specification  

Insulated sectional doors

Construction, operation, technical specification

Sandwich panels and elements for sectional doors

Sectional doors panels

LOGEL industrial sectional doors are made of "sandwich" panel 40 mm thick, consisting of two outer layers of compressed galvanized steel panel with 0.5 mm thickness and an inner layer of thermal break polyurethane foam. The space between the panels is filled with a synthetic sealant. Industrial sectional doors are four-sealed and completely isolated and protected against the rain, dust, sand, insects, etc.

Metal parts for sectional doors

All parts of the metal frame are made of high-quality galvanized steel to ensure long term durability and user friendly operation.

Sectional door Logel

Sectional door Logel

Guide rails
for sectional doors with C-profile compile depending on the configuration of the door.

Balancing torsion springs
have a capacity of at least 25,000 cycles of opening / closing.

Hinges for sectional doors are different types depending on the location of their installation and purpose to ensure a reliable connection between panels and securely fastening to the guide rails.

Rollers are made of polyamide with high strength and provide longer life cycle and silent operation of the door.


Sectional doors dimensions

Industrial sectional doors are manufactured individually based on DLO (day light opening area). The various applications of the sectional door opening system ensure minimum space usage.

Maximum dimensions of the sectional door opening:
width 7500 mm; height 9800 mm

Maximum area of sectional door:
36 m2 






Sectional doors operation

Manual operation: Recommended for doors with a total area of up to 10 m2. The door is easily opened and closed by hand, because of the well balanced torsion springs, and it can be locked by key from inside as well.

Mechanical: Recommended for doors with a total area of up to 16 m2. The door operation is via a chain hoist with indirect transmission;

Automatic operation: Performed with different capacity of electric engines, depending on the size and loop of the door opening. All engines are equipped with emergency chain operation. The operation is controlled via a fixed control panel.

Technical characteristics

Standard of production

CE (EN 13241-1)

Panel depth

40 mm

Panel content

Polyurethane foam

Rails and profiles

Galvanized; Aluminum

Wind load

Class 3

Air permeability

Class 4

Water sealing

Class 3

Coefficient of thermal conductivity

1,4 W/m2.°K

Noise ratio

24 dB

Electricity power Supply

230/400 V

Electric engine protection rate

IP 54


Standard colors RAL

Copyright © 2004-2019 LOGEL Ltd.