5 Fire Stop for Twin Wall Flue - Flue - Twin Wall
Spare Parts: Flue - Twin Wall.
Hetas approved firestop. New improved design gives a less open look to the finished installation. Use on the underside of combustible floors where to chimney passes through. Use in conjunction with a level bracket or level support.
Negarra MD Plus is a high quality, prefabricated twin wall flue system suitable for solid fuel, oil and gas fired appliances. The inner wall is manufactured in stainless steel grade 316 and the outer wall is manufactured in stainless steel 304. The system has 25mm of high density insulation.
SW316 inner, 125mm diameter, fully welded
SW304 outer, 175mm diameter, fully welded
25mm high density ceramic fibre insulation
CE approved, HETAS approved
Only 65mm clearance required to combustibles