Innovated and patented by Pete Sigrist out of need to find a weather-tight solution for consolidating and managing roof penetrations. Why Choose the Pipe Chase Housing & Curb Sigrist Pipe Chase Housings, Curbs and Sigrist Exit Seals® by Alta Products are the best weather-tight roof penetration housings and curbs in the world. Made in the…
Read More >>Leaders in Electrical Safety
• Bowtie Engineering
• Enespro
• Ericson
• I-Gard Corporation
• IRISS
• KERMEL, INC.
• Lakeland Industries
• MELTRIC Corporation
• National Safety Apparel
• National Technology Transfer
• Oberon
• Saf-T-Gard
• SEAM Group
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