FM 4431 - Skylights

Additional notes: Solatube Model 330 DS FM Approved Solatube SolaMaster Series Model 330 DS-O (Open Ceiling) and Model 330 DS-C (Penetrating Ceiling) are 21 in. (530 mm) diameter, single dome daylighting systems equipped with transparent, UV and impact resistant Dome material with flashing base supporting dome and top of tube. The outer dome glazing material is Type DPI, minimum 0.115 in. (3 mm) thickness, injection molded polycarbonate classified as CC1 material; UV inhibiting (100 percent UV C, 100 percent UV B and 98.5 percent UV A). Model 330 DS is equipped with a LightTracker Reflector, made of 0.015 in. (0.4 mm) thick aluminum sheet, with Spectralight Infinity positioned in the dome to capture low angle sunlight.

Date of first issue: 01/01/2021