Pipe Chase Housing & Curb Systems

The Alta AL-201412 Housing with ALTC-M18 18-inch Curb is a medium pipe chase system engineered for safe, weather-tight roof penetrations. Designed to support up to 16 lines with Sigrist Exit Seals, it provides exceptional versatility for mechanical and data applications. Constructed from heavy-duty aluminum with UV-protected powder coating and full thermal break insulation, this assembly ensures long-term durability, energy efficiency, and leak prevention. Its recessed lid, stainless hardware,...

The Alta Products AL-161010 Pipe Chase Housing paired with the AL-158C 14" Curb provides a complete, insulated roof penetration system. Designed with a full thermal break and equipped with Sigrist Exit Seals, this assembly ensures lasting weather-tight performance. Built with UV-protected aluminum and stainless steel hardware, it offers durability and long-term protection. Key Features: Full thermal break in both housing and curb UV-protected powder coating on housing body and lid Stainless...

The Alta AL-343424 Housing paired with AL-3232 14-inch Curb is a large pipe chase assembly designed to manage high-capacity roof penetrations. Capable of accommodating up to 32 Sigrist Exit Seals, this system is built with heavy-duty aluminum, UV-protected powder coating, full thermal break insulation, and stainless steel fasteners for long-lasting performance. Its recessed lid and 3-inch skirt overlap improve weather sealing, making it ideal for demanding rooftop applications. Key Features:...