Double Skinned Chimney Liner

Multiflex liners are covered with a 20 year warranty please click here to download the topstak multiflex warranty form.

Double skinned chimney liner.

The sizing of twin wall flue relates to the inner internal diameter of the twin wall flue pipe as the outer diameter will obviously be larger in size. Some codes require that the appliance with the lowest btu input should be attached in a position higher than the appliance with the greatest btu input. Corrugated interlocked seam on the outside provides for maximum strength and flexibility. Multifuel double skin flexible flue liners.

Duraliner is the only factory insulated product with zero zero clearance for high heat wood burning appliances. Attach a wye pronounced y connector to the chimney liner or a double snouted tee with two take offs which is designed to allow you to connect two appliances to one chimney liner. The difference being that the corrugated is less expensive and is also able to be field ovalized. They are fully welded and made from a high grade stainless steel fully approved by hetas.

Double wall or ht high temperature flue and is a clip together chimney system enabling a wood burning stove to be added almost anywhere in a property. The chimney at the rear is single skin vitreous pipe for the first metre and a half changing to twin wall. For wood pellet gas oil and coal burning appliances. Corrugated interlocked seam on the outside provides for maximum strength and flexibility.

Clip together chimney design service if you have no chimney. Duraliner chimney liner is a high temperature insulated double wall masonry relining system for use with appliances fueled by gas pellet oil wood or coal. Or if you do not have a chimney stack you will need twin wall chimney flue pipe. Smooth wall double ply flex all chimney liner is made from a single strip of 316ti 0 006 in.

Single wall vs double wall chimney liner. Flue pipe and liner available in all diameters including the most popular 5 inch 125mm 130mm and 6 inch 150mm. Replace the chimney liner with a liner large enough to meet the venting requirements of the two appliances if the current liner is not adequate. You can find metal flex chimney liner in two varieties.

Rock flex chimney liners are fabricated with the highest quality stainless steel ul 1777 tested and listed air and water tight and provide the best flexibility and strength to contain moisture and flue gases. Duraliner safely protects masonry chimneys from the damaging effects of flue product condensation. Our exclusive multiflex class 1 flexible stainless steel multifuel flue liners are designed to provide a quick and economical solution for improving the safety and efficiency of old chimneys for use with wood coal gas or oil burning appliances. Smooth interior inner ply wall creates positive air flow that increases drafting by 20 while eliminating creosote buildup.

Smooth double wall liner and corrugated single wall liner.