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(for architects and engineers)

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The HELLA trav is a structurally optimised recess system for roller shutters that is already integrated in the carcass of the building. Due to its enormous insulation body, a high level of thermal insulation is attained (u-value = 0.19 with a wall thickness of 380 mm and a recess depth of 180 mm). In addition to the noise insulation, the diffusion open construction prevents the formation of condensation water.

Thereby the installation of the HELLA trav is easy and labour-saving and, due to the defined stop positions, enables a dimensionally accurate installation of the windows.

Model

Product features

1 Plaster base at the rear
•   Wood wool light building board (HWL), 25 mm, cement-bound
•   Stability for the box
•   Excellent plaster base (wellestablished)
•   Solid fixing foundation

2 Insulation body made of EPS-15
    (expanded polystyrene-particle foamed material)
•   Optimum thermal insulation due to compact polystyrene block
•   No thermal bridge to the inside
•   Free of CFCs, HCFCs and fluorinated hydrocarbons
•   Variable for a precise adjustment to the respective wall thickness
•   Inflammability class in accordance with Austrian standard (ÖNORM) B 3800 or DIN 4102 (B1 - low flammability)
•   Frost-proof, impervious to moisture, diffusion-open

3  Box made of galvanised sheet steel, 1 mm thick
•   Precise form
•   Self-supporting formwork - up to 1,500 mm without support

4 Insulation of the ceiling made of EPS-15
• As a standard with 20 mm, variabel for a surcharge!
• No thermal bridge to the solid ceiling due to compact polystyrene block

5 Plaster base at the front, optionally made of
• Wood wool light building plate (HWL), 20 mm
• EPS-30, 20 mm

6 Receiving cassette for insect rollerscreen

7 Plastic limit stop profile
• Defined limit stop position for the window
• No thermal bridge
• Bracket element for the integrable insect roller screen

8 Lateral support
• Made of wood wool light building plate, 20 mm, cement-bound
• Standard 120 mm
• Precise support when walling

• Better covering of the sub-frame due to an off-set of 20 mm

9 Brush profile
• Optimum sealing towards the roller shutter steel jacket
• Integration of the maintenance flap

10 Maintenance flap at the outside
•   Made of aluminium sheet steel 1.2 mm
•   No thermal bridge to the inside
•   No pollution or damaging in the interior during maintenance works

11 Plaster flange
• As a standard 5 mm; variabel if requested
• Clear plaster edge

12 Lateral release device
• Support width plus plaster thickness
• Prevention of cracks in the plaster

13 Side part made of sheet steel
• 1 mm galvanised
• High stabilit

• Pre-assembled spot weld nuts for optimum installation of the sun protection

Configuration

	Additional insulation possibilities The following insulation possibilities are available for a surcharge (each additional insulation can be selected separately):
	Insulation wedge with installation of roller shutters (surcharge)
	body with installation of Venetian blinds (surcharge)
	Over-insulated basic profile (surcharge)
	Additional insulation of the ceiling (surcharge)
	Additional insulation of the side part (surcharge)

Accessories


Special form for bays	Special form - for horizontal arches	Special form - for sloping windows

Special form - for segmental and semicircular arches