Tongued and Grooved Insulation Board
- Type: Tongued & Grooved Polystyrene Sheet
- Length: 1200mm
- Width: 450mm
- Thickness: 50mm
- Easy to cut and fit, without irritation to skin
- Inert and CCFC free
- Cost effective, and rot proof, when fitted.
- A board with tongue and groove jointing- fills the cavity area
- Insulates wall area, thus reducing bills, from heat loss in room.
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