Alta 161010 & 158C Sigrist Small Pipe Chase Housing & Curb

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Alta 161010 & 158C Sigrist Small Pipe Chase Housing & Curb

Complete system includes housing (AL-161010) and curb (AL-158C) with a full thermal break in both units.
Built with durable, UV-protected powder-coated aluminum and stainless steel fasteners.
Features a 3" skirt overlap for enhanced weather protection and a recessed lid to guard the gasket.
Includes Sigrist Exit Seals supporting multiple pipe outside diameters from .25" to 1.635"

Price: $1,241.90

Item #ALTA-AL-161010, ALTA-AL-158C

Quantity:

Description

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 steel fasteners throughout
Recessed lid design for gasket protection
Sigrist Exit Seals support multiple pipe OD sizes
3″ skirt overlap for enhanced weather protection
20-year warranty on housing and curb

Specifications

Housing Model AL-161010: 16.5″ length × 10″ width × 12.5″ height

Curb Model AL-158C: 14.5″ length × 8″ width × 14″ height

Housing & Curb material: .080″ aluminum body and lid

Exterior finish: UV-protected powder coated housing and lid

Interior: Full thermal break insulation in both housing and curb

Fasteners: Stainless steel

Exit seals: Injection-molded ABS, schedule-80 performance, supports ¼″ to 1 5/8″ OD pipe sizes

Skirt/overlap: 3″ housing skirt over curb for weather protection

Warranty: 20-year on housings and curbs; lifetime limited on Sigrist Exit Seals

How To

Choose the AL-161010 housing and AL-158C curb for your roof penetration layout
Install the curb on the roof deck with proper flashing and alignment
Place insulation pad into curb for full thermal break
Position housing onto curb, align gasket, ensure skirt overlap sits evenly
Install Sigrist Exit Seals in designated pipe openings and secure them
Fasten recessed lid to housing, ensure gasket seats properly, tighten hardware
Seal curb interface with roofing membrane and inspect for weather-tight fit

FAQs

Q: What pipe sizes are supported by the Sigrist Exit Seals?
A: The seals support OD sizes from ¼″ through 1 5/8″.

Q: Does the AL-161010 housing include insulation?
A: Yes, both the housing and the AL-158C curb have full thermal break insulation.

Q: How long is the warranty on this assembly?
A: The housing and curb carry a 20-year warranty, and the Sigrist Exit Seals have a limited lifetime warranty.

Q: Can I order custom sizes if my application is different?
A: Yes, Alta Products manufactures custom housings and curbs for non-standard roof penetrations.

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