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Flexwrap is machine cut glass wool material used to insulate flexible flue liners - this selection is for use with liners between 125mm and 150mm. Flexwrap is, as the name suggests, wrapped around the liner prior to installation; is completely non-combustible and reduces condensation build-up within the liner and as a result improves the life span of the liner.
This flexwrap is 12mm in thickness and can handle high temperatures of up to 550 degrees.
50mm wide aluminium tape is used to secure the blanket in place around the liner; aluminium bands should be used approximately every 500mm (not included with the flexwrap). Simply use a Stanley Knife to cut the flexwrap.