Roller Shutters

Roller shutters

Roller shutters help protect the weakest point of a building: the window. They act as a proven deterrent to intruders, help control daylight levels and improve comfort by reducing overheating in warmer months.

They also support better energy management, whether used manually, motorised or integrated with smart home systems that react automatically to sun and weather conditions.

roller shutters – Premium Aluminium Windows & Doors | NN Concept Ltd

SK 90 – Adaptive roller shutters

SK 90 is an adaptive roller shutter system intended mainly for existing buildings. The biggest advantage is that the installation does not affect the facade structure or the window itself, so the shutters can be added at any point during the window’s lifespan.

SK90 – Premium Aluminium Windows & Doors | NN Concept Ltd
FeatureValue
Curtain typeAluminium filled with polyurethane foam or PVC
Inspection flapIncluded
GuidesAluminium
Box shapeSquare
Weather resistanceYes
Minimum box width400 mm
Other optionsAdaptive boxes also available in semi-circle, oval and 45° versions on request

We also offer other adaptive roller shutters with different shape of boxes such as semi-circle or oval or at 45°angle. All available upon

SK45 – Premium Aluminium Windows & Doors | NN Concept Ltd
SK45
SKO P – Premium Aluminium Windows & Doors | NN Concept Ltd
SKO-P
SKP – Premium Aluminium Windows & Doors | NN Concept Ltd
SKP

SAR – Anti-burglary roller shutter

SAR has been developed for clients who prioritise safety. The burglary resistance classes ER2 or ER3, depending on the selected curtain, are confirmed by certification from the IFT Rosenheim Institute.

SAR – Premium Aluminium Windows & Doors | NN Concept Ltd
FeatureValue
CurtainExtruded aluminium PE41 (RC2) or PE55 (RC3)
Resistance classesER2 or ER3 depending on curtain choice
GuidesReinforced PPW 80 and PPW 90
Bottom railReinforced W-LDG 55 / W
Security systemsWB and LDG 55 / W
Weather resistanceYes
Minimum box width600 mm
CertificationIFT Rosenheim Institute

SP-E – Flush-mounted shutters

SP-E is designed mainly for new-build projects where the installation method can be planned at the design stage. It provides very good thermal insulation because it does not interfere with the structure of the window, lintel or door.

SP E – Premium Aluminium Windows & Doors | NN Concept Ltd
FeatureValue
Box shapeSquare
Curtain typeAluminium filled with polyurethane foam or PVC
GuidesAluminium
Weather resistanceYes
Inspection flapFrom the bottom (aluminium)

Quad-Box

Quad-Box is a well-thought-out system that is easy to install and service. As the only system of this type on the market, it offers the option of a PVC inspection flap. This reduces cost compared with aluminium and improves the colour match with the window.

– Premium Aluminium Windows & Doors | NN Concept Ltd
FeatureValue
Key benefitEasy installation and servicing
Inspection flap optionPVC inspection flap available
Colour matchingCan be covered in AP, SAL, REN or GEA colours for better window matching
Cost benefitPVC flap can reduce cost compared with aluminium

Opoterm – Top-mounted shutters

Opoterm is aimed at demanding customers who want extensive personalisation. It offers enhanced thermal insulation through additional box insulation and the option to insulate the frame using thin extruded aluminium guides for mini and maxi profiles. A built-in insect screen can also be added on request.

Opoterm – Premium Aluminium Windows & Doors | NN Concept Ltd
FeatureValue
Box shapeRectangular, with optional rounded inspection flap from the front
BoxPVC box with optional external aluminium front plate
Curtain typeAluminium filled with polyurethane foam or PVC
Inspection flapFrom the forehead and from the bottom
GuidesAluminium and PVC
Maximum frame depth102 mm for bottom inspection flap
Additional optionBuilt-in anti-insect net on request

Elite XT – Top-mounted shutters

Elite XT provides good acoustic and thermal insulation, helping to reduce heat loss in colder months. An additional feature is the option to install a mosquito net, while access to the roller shutter mechanism is possible from the outside via a conveniently positioned flap.

EliteXT – Premium Aluminium Windows & Doors | NN Concept Ltd
FeatureValue
Box shapeRectangular
BoxPVC box with optional external aluminium front plate
Armour typeAluminium filled with polyurethane foam or PVC
GuidesAluminium and PVC
Revision flapFrom below, from the outside
InsulationGood acoustic and thermal insulation
Additional optionMosquito net

ROKA-Top 2

Roka-Top 2 combines the advantages of lintel and top-mounted systems. The styrofoam boxes are pre-assembled during production, saving installation time and making the system a strong choice for new-build projects.

  • Designed for PVC windows
  • Excellent thermal and acoustic insulation
  • Reinforced box construction allowing widths up to 5500 mm

Choose Roka-Top 2 if you want reliable shutters with boxes hidden on the facade, want to avoid thermal bridges, and expect durability with easy access for future servicing.

Roka Top 2 – Premium Aluminium Windows & Doors | NN Concept Ltd
FeatureValue
Available armour typesPVC 37, PVC 52, PA 39, PA 43 and PA 52
Minimum box width – electric450 mm
Minimum box width – manual400 mm
Maximum box width5500 mm
Maximum frame depth92 mm
Project noteMore options are available on request if a required configuration is not shown here

SDZ – Lintel roller shutters

SDZ is an ideal solution for renovating existing buildings where old shutters need to be replaced using lintel boxes. The design allows quick and trouble-free installation on existing surfaces. SDZ shutters can be controlled manually by belt retractor or crank, as well as electrically.

SDZ – Premium Aluminium Windows & Doors | NN Concept Ltd
FeatureValue
Curtain typeAluminium filled with polyurethane foam or PVC
GuidesAluminium
System typeSelf-supporting shutters
InstallationSimple and quick
AdjustmentShaft position adjustment to adapt to many box types

SKN

SKN is a set of elements suitable for many types of lintel roller shutter boxes. Clients can choose a manual version operated by belt retractor or an electric version using any motor from the available range. The box itself is not included in the set.

SKN – Premium Aluminium Windows & Doors | NN Concept Ltd
FeatureValue
Curtain typeAluminium filled with polyurethane foam or PVC
GuidesPVC and aluminium
ApplicationFilling of lintel boxes
Standard winding tubefi60
Side supportsIncluded with mounting for the selected drive
Control optionsManual belt retractor or electric drive
Included boxNo – box is not included in the set

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