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John Guest – Overlay Boards – Joists

SKU: John-Guest-Overlay-Boards-Joists

£16.99 inc. VAT

Out of stock

Low profile system for new build or renovation projects. Grooved foil faced insulation panel for installation 15mm tubing over existing floor structures to facilitate the use of Underfloor Heating within timber flooring structures.

Underfit is designed for use with timber suspended or floating floors. 15mm JG Layflat pipe is installed into a grooved foil-faced panel with 200mm centres over existing floor structures, either between battens or under the floor between existing joists.

  • Grooved foil-faced panel
  • Easy to install
  • Medium to low heat output & response
  • Low profile
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