WHO?

aboutOur now retired founder and inventor, Mr. Peter Sigrist was awarded a United States Patent for the SigristĀ Pipe Chase HousingĀ system in 2006. Peter’s mission of providing the highest quality, ready to go, roof penetration systems at a moment’s notice lives on.

WHY?

whyWe are the Original Manufacturer ofĀ SigristĀ Pipe Chase Housings & CurbsĀ and Sigrist Exit SealsĀ®.

All of our products are manufactured in the United States – always have been and always will be… period.

HOW MANY SIZES?

WhereWe offer curbs 14ā€, 18ā€ and 24ā€ in all sizes.

SHOP ALTA PRODUCTS