| 1 |
Dome / Light collector |
Made of clear, transparent, polycarbonate 2mm thick, UV stabilised, circular in shape, hemispherical design, with flat flange |
530 mm Dome and upto 530 mm diffuser. |
allowence + / - 10 mm. dome diffuser made of Acrylic not acceptable |
| 2 |
Diffuser |
Day lighting Radial Lens Diffuser - Spectra Bright (for low height or False ceiling roofs) |
Material UV-stabilized, optical-grade polycarbonate Width Total Lens / Web 37.75 inch (95.9 cm) / web of 4- inch (10-cm) square |
Must be cut to size of the tube dia and fixed with bottom part of the reflective tube with metal or FRP L ring. |
| 3 |
Roof adaptor |
Made of FRP with gel, single piece prefabricated before dispatch, matching the roof profile of the roof where it is to be installed. |
Profile of the roof adaptor must match 100% roof profile where it is to be installed. |
PMust be prefabricated at vendors site before dispatch to site. |
| 4 |
Reflective tube |
Made of aluminium 0.2 mm thick sheet. Brightened, anodised and PVD-coated, PVD AL 99.99. Reflective film glued to aluminium sheet not allowed. |
Length 0.6 mtrs. Reflectance of 95%+. |
Reflective film glued to aluminium sheet not acceptable. |
