Pre-Slit Weatherproof Insulation

Our new pre-slit PVC coated insulation provides outstanding protection against freezing, for
external boiler condensate pipework. This new design offers a quick and secure ‘tape free’
installation, with its peel and seal join and its self-adhesive wrap over flap. Fully compliant with
the Boiler Installation Standards BS6798:2014, the tough PVC coating is both weatherproof
and UV stable.
This insulation is also ideal for use on air source heat pumps or biomass flow and return
pipework, to avoid heat loss and meet MIS3005 requirements. To prevent cold bridging
use it in conjunction with our Through Wall Sleeve Kit, TW-KIT, to ensure the pipework is fully
insulated all the way into the property.


• Avoids heat loss and improves efficiency of the installed air source heat pump
• 19mm wall insulation with a tough PVC coating
• Suitable for 28mm / 32mm pipework

Part CodeDescription
FH-I-1000-35-SLIT2m length of 35mm ID Insulation with 19mm wall thickness insulation pre slit seal
FH-1000-28-SLIT2m length of 28mm ID Insulation with 19mm wall thickness insulation pre slit seal
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Product Data Sheets

Pre-Slit Weatherproof Insulation Data Sheet

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