Your Source for Educational and Technical Chimney Pipe Resources At NorthlineExpress we know that trying to figure out your chimney system, or even what type of chimney system that you need, c … read more

DuraPlus is a triple-wall, 2100° HT (high temp) all-fuel chimney system designed for appliances that require a UL 103 HT chimney system, such as wood stoves, fireplaces, furnaces, boilers, stoves … read more

PelletVent Pro is a venting system designed for stoves and inserts that use corn, pellet, and oil fuel. (Rated for continuous use flue temperatures up to 57 degrees F.) Its double wall, air-insul … read more

DuraPlus is a triple-wall, 2100° HT (high temp) all-fuel chimney system designed for appliances that require a UL 103 HT chimney system, such as wood stoves, fireplaces, furnaces, boilers, … read more

An Extended Roof Bracket is used to support the chimney when it extends more than 5' above the roof. It provides stability to the chimney against wind and snow. If your chimney extend … read more

Proper ventilation provides greater operating efficiencies for stoves, fireplaces and inserts, as well as a home that is free of potentially harmful by-products of burning fuel products. Mak … read more

Simpson DuraTech is an all-fuel chimney system designed for appliances that require a UL 103 or a UL HT chimney system, such as wood stoves, fireplaces, furnaces, boilers, stoves, ranges, wa … read more

Not quite sure what your roof pitch is? Let us help! The pitch, or slope, of a roof is expressed as the distance a roof raises vertically over a 12-inch horizontal … read more