Joist Support 125mm Black Convesa

£15.09 £18.11 (inc VAT)

Convesa Joist Support 125mm Black 12 Year Warranty

In stock

Product Description

Joist Support 125mm Black

Joist Support 125mm Black Convesa is designed for use with twin wall, insulated flue pipe with an external diameter of 175mm.


Joist Support 125mm Black. This joist support is used as a support on the top side of combustible floors where the chimney passes through. Use in conjunction with a firestop on the underside of the floor.


Joist Support 125mm Black. For use with solid fuel and gas/oil appliances. eg: wood stoves, gas coal effect fires, oil boiler and any solid fuel appliances.


  • HETAS Approved
  • CE marked EN1856-1 T600 N1 D V2 L50040 G60
  • 12 Year Warranty


Outer skin is made from 304 grade stainless steel and is 0.4mm thick. This is then powder coated in a high temperature black finish. The Inner skin is made from 316 grade stainless steel and is 0.4mm thick. Insulation is compressed rockwool giving a density of 128kg per cubic metre. All parts are fully welded.Distance to combustibles is 60mm.

Installation Check List

Twin Wall Insulated Chimney parts are secured together by using a Locking Band (supplied).Make sure that you keep a distance of 60mm from the outside of the flue to any combustible material (wood, plaster board).


It is recommended that chimneys serving solid fuel appliances be swept and maintained as frequently as necessary but at least once a year.


Additional Information

Weight 5001 g

Convesa KC







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