HeatFab, by Selkirk, has been a top choice of builders for over 20 years and is the industry leader in producing special gas vent pipe (commonly called AL29-4C). Additionally, HeatFab has set out to offer solutions for stove and chimney pipe relining projects. HeatFab stove pipe is made from the finest grade stainless steel available and has made a dedication to offer quality venting products at a price everyone can love.HeatFab rigid chimney relining systems are used with solid fuel and older oil and gas equipment. HeatFab can add years to the life of the chimney and keep your home and family safe.