Aluminum electrical rolling shutter/sun louver:
1)Material: Galvanized steel or aluminum
2)Specification: The biggest size of single board not over 1600x4500mm.
3)Thickness: 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm and 4.0mm (guarantee enought)
4)Surface coating: Outdoor polyester powder coating
5)Style: Plane, perforated, surface transfer printing or special order.
6)Packing: Standard carton with XINJING mark(woodbox or hard paper is addible)
7)Quality guarantee: We guarantee the surface color stable for 10 years by indoor use.

Product Merit(sun louver /shutter):
1) Light but high rigidity and consistency, strong corrupt proof, weather proof and
Chemical
2) Good plasticity
3) Surface smoothness and easy cleaning
4) Easy fix and install
5) Surface color guarantee 10 years for indoor use
6) Recycle material, it in favor of protect environment
7) Flexible size and shape

Recommend applying in these places below(sun louver /shutter):
1) Build exterior, pillar and terrace
2) Airport / bus station
3) Auditorium, music hall
4) Sport center
5) Reception hall

Acoustic ability(sun louver /shutter):
1)Perforated with SoundTex paperabsorb moduus: NRC=0.7
2)Acoustic level: Plain: CAC=40dB
Perforated: CAC=24dB
Fire proof ability: British Standards Institution fire test pass (BS476)
XINJING offer kinds of ceilings for you, we also offer interior design and machining