Daylighting board

The daylighting board is a hole reserved on the roof panel, and the well wall is made around the hole, and a daylighting skylight made of flat light-transmitting material is installed on it. The holes reserved for the roof slab can be large or small, and sometimes a roof slab can be taken out as a lighting opening. At this time, it is necessary to make a well wall on the adjacent roof panel, and add a purlin on it to install the flat light-transmitting material. They are generally fixed fans. The material is mainly made of PP, PC, PET, APET or PVC, and its characteristics and uses are the same as those of the daylight cover.

Light transmittance: The light transmittance of PC board can reach 89%, which is comparable to glass. UV-coated panels will not produce yellowing, atomization, and poor light transmission under sunlight. After ten years, the loss of light transmission is only 6%, the loss rate of PVC is as high as 15%-20%, and the glass fiber is 12 %-20%.

Impact resistance: The impact strength is 250-300 times that of ordinary glass, 30 times that of acrylic sheets of the same thickness, and 2-20 times that of tempered glass. There will be no cracks when falling two meters under a 3kg hammer. There are "not broken glass" and The reputation of "sound steel".

Anti-ultraviolet: One side of the PC board is coated with an anti-ultraviolet (UV) coating, and the other side has an anti-condensation treatment, which integrates anti-ultraviolet, heat insulation and anti-drip functions. It can block ultraviolet rays from passing through, and is suitable for protecting valuable artworks and exhibits from damage by ultraviolet rays. Fabricated steel structure