Rigid Sun Tunnel® Skylight View TCR Data View TGR Data View THR Data View TLR Data View TMR Data View TSR Data
Testing Data Notes Production samples structurally tested and labeled in accordance with one or more of: AAMA/WDMA/ CSA 101/I.S.2/A440, TAS201, 202, and 203; OSHA regulations; various ASTM methods. Thermal and optical performance data are determined for skylights at 20 degree slope, and verified in accordance with NFRC procedures (where applicable) by accredited entities. Most VELUX products are listed in the NFRC Certified Products Directory, and carry appropriate labels in accordance with NFRC’s certification program. NFRC ID: VEL-N-xxx Most variants have achieved WDMA Hallmark certification under No. 426-H, and/or recognition under Uniform-ES report #ER 0199 (IAPM0-ES). In addition, Florida and TDI have listed most variants in their product evaluation/approval systems.