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Residential
Industrial & Commercial
CIX - Secure Stack™
Positive Pressure
Chimney—NEW
CT - Liner &
Breeching System
CTX Secure Seal®
Gas Vent
CTXD Secure Seal Double - Wall
Gas Vent
CG - Gas Vent
Type B
Secure Temp™
ASHT+
CI - Insulated
Chimney for
Industrial
Applications
Industrial and Commercial Chimneys:
Stoking our Reputation for Excellence.


Discover the fire within and discover why Security Chimneys International Limited has become a leading supplier of precisely engineered chimneys for industrial and commercial settings.

Over the years, we've stoked our reputation for developing quality products by developing quality relationships with our clients. Security has continued that tradition with our 3D-CAD design program, specially created to give engineers and architects the technical precision they need for every project.

Security offers a variety of industrial-strength chimneys, all designed for Category I,II, III, and IV heating boilers, domestic water boilers, and low- to high-temperature hydronic heating applications.

When you choose Security, you choose quality because all our Category II, III and IV chimneys are made from laser-welded AISI 316-grade stainless steel to resist high temperatures and corrosion, making them ideal for high-condensation applications.

Get the Security you need for your next project:

CI - Insulated Chimney for Industrial Applications
A precision engineered multi-fuel double-wall, insulated chimney system with 2" safety clearance from combustibles, designed for optimal thermal performance, a pressure rating of 60'' wc., and easy installation.

CIX - Secure Stack™ Positive Pressure Chimney
Designed to offer the ultimate in installation convenience and versatility for commercial chimney, grease duct and diesel exhaust applications.

CT - Liner and Breeching System
A precision engineered multi-fuel single-wall, vent system designed for refitting or lining a masonry chimney, low-temperature appliances, a pressure rating of 60" wc. and a "slip-fit" joint section for easy installation.

CTX Secure Seal™ Gas Vent
Vent System for Category II, III, IV Gas Fired Appliances.

CTXD Secure Seal™ Double Wall Gas Vent
Vent System for Category II, III, IV Gas Fired Appliances.

CG - Gas Vent Type B
A quality engineered chimney system for Category I gas appliances made with an AM-1 aluminum flue and a galvalume casing for strength and durability.

Secure Temp™ ASHT+
A light-weight precision engineered residential/commercial multi-fuel double-wall stainless steel insulated chimney system with 2" safety clearance from combustibles, and designed for optimal thermal performance and easy installation.