45 Degree Wall Sleeve Adjustable Masonry
Must be used where a 135 degree tee is used to pass the chimney through an external wall and thus providing a continuous, uninterrupted run through the wall. Provides 50mm clearance as standard. Adjustable for a wall thickness of 200mm - 380mm.
Important: Once extended, the joint must be secured with self-tapping screws and covered around the circumference with a heat resistant foil duct tape.
Manufactured by SFL in th UK
SFlue is a twin wall flue system designed for use on woodburning and multifuel stoves
Operating temperatures up to 450 degrees C
High performance mineral wool insulation 25mm
316L (1.4404 : X2CrNiMo 17-12-2) stainless steel liner
304 (1.4301 : X5CrNiMo 18-10-2) stainless steel outer case
Twist lock jointing system secured using a locking band (included)
50mm clearance required to combustible materials
Approvals:- EN1856 Part 1, CE, HETAS
SFL manufacture this twin wall flue system in the UK. It is sold under the brand names of Sflue, TL Pro and Excelsior Plus. Orders supplied by us may be branded as any of the above.
SFL Sflue Twin Wall Flue System Brochure
SFL Sflue Twin Wall Flue System Questions & Answers