Hormann Lpu 42 Silkgrain Style 454 Garage Door Hormann Steel Sectional Doors

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Hormann LPU 42 Silkgrain style 454



Beautifully smooth surface featuring four stainless steel sqaures for a contemporary statement.

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  • description
  • colour finishes

Stunning modernism at its best, the Hormann LPU 42 Design L Ribbed sectional garage door Style 454 is an unusual combination of the smooth silky Silkgrain finish and magnificent stainless steel blocks. A neat stainless steel design at regular intervals sits along the side of the sectional door. Surprisingly this simple design creates a positive abstract effect. The Hormann LPU 42 Design L-Ribbed sectional garage door Style 454 has a matching side door and a matching front entrance door, all with the same trim – viewed as a suite – simply unforgettable!

The engineering and manufacturing standards are stringent, achieving an excellence in build as well as design. Hormann sectional doors are tested and certified in accordance with the high safety requirements of the European Standard 13241-1. Incorporating various safety features – many unique to Hormann - such as finger trap protection, torsion springs that have a patented spring safety device to list just a couple.

The Hormann LPU 42 Design L-Ribbed sectional garage door is fully insulated, the panels have a 42mm filling of CFC-free rigid PU foam and seals around the edges of the door and between the panels, perfect for improving the temperature control within the garage. This substantial insulation also increases the stability of the door and quiet operation.

Surface Finishes
The finish of the Hormann LPU 42 L-Ribbed Silkgrain® door is the most beautiful smooth surface, almost like velvet to touch. On a practical level, the rich appearance is protected with a high quality polyester primer finish. The standard colour is Traffic white with a further 15 factory finished colours.

Thermal insulation
Double-skinned steel doors 42 mm
Section U = 0.50 W/m2 K
Door leaf U = 0.90 W/m2 K
Fitted door 1) U = 1.30 W/m2 K

Acoustic insulation
Double-skinned steel doors 42 mm R = approx. 22 dB

Wind pressure
Double-skinned steel doors 42 mm class 3

Maximum Door Sizes
Width 5000mm
Height 3000mm

Glazing Options
16mm double pane in clear (DS) or crystal structure (DK)
Type D

The Hormann LPU 42 is manufactured with no pre-drilled handle hole as standard. This is to offer a smooth door finish on doors with electric operation which do not require a handle. If a handle is required, a selection of handles are available from the selection below at a surcharge.

synthetic plastic

cast aluminium

New Silver
cast aluminium

cast aluminium

stainless steel

stainless steel

Suitable Operators
Both the Hormann Promatic and the Hormann Supramatic are the perfect remote controlled operators for the Hormann LPU 42. They both come supplied with an integral receiver, automatic locking, automatic safety cut-out, emergency release from inside, and a soft start/soft stop function to minimise door wear and tear.

Hormann electric garage door operators are supplied with 2 transmitters as standard when purchased. Other remote transmitters and access control systems are available from the selection shown below and other controls are available to link in with Homelink systems and also vehicle transmitter systems.


Hand Transmitter


Hand Transmitter


Hand Transmitter


Micro Hand Transmitter

To view the whole range of Hormann remote control accessories, view the Hormann Remote Control Operators page.

Hormann steel sectional doors are finished as standard in white polyester paint (RAL 9016) - a finish which if you wish can be lightly rubbed down and painted. Choice of 15 preferred colours:

RAL 7040 Window Grey sectional door colour
RAL 7040
Window Grey
RAL 7030 Stone Grey sectional door colour
RAL 7030
Stone Grey
RAL 7035 Light Grey Hormann sectional colour
RAL 7035
Light Grey
RAL 1015 Light Ivory sectional garage door colour
RAL 1015
Light Ivory

RAL 5014
Pigeon Blue

RAL 8001
Ochre Brown
RAL 5011 Steel Blue colour for sectional
RAL 5011
Steel Blue
RAL 9006 White Aluminium garage door colour
RAL 9006
White Aluminium
RAL 8003 Clay Brown sectional door colour
RAL 8003
Clay Brown
RAL 8028 Terra Brown
RAL 8028
Terra Brown
RAL 3003 Ruby Red sectional door colour
RAL 3003
Ruby Red
RAL 6009 Fir tree Green Hormann sectional
RAL 6009
Fir Green
RAL 6005 Moss Green sectional colour
RAL 6005
Moss Green
RAL 7016 Anthracite sectional door colour
RAL 7016

RAL 9007
Grey Aluminium


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