150MM RIGID FOIL INSULATION BOARD (PIR BOARD) 2400 X 1200MM

150mm Mannok PIR insulation board, 2400 x 1200mm (8ft x 4ft) – a rigid, foil-faced polyisocyanurate (PIR) thermal board for insulating floors and roofs in new builds, extensions and renovations.

Key specifications

• Thickness: 150mm
• Board size: 2400 x 1200mm (8ft x 4ft), butt edges
• Coverage: 2.88 m² per board
• Board type: rigid PIR (polyisocyanurate), fibre-free thermoset core
• Facing: low-emissivity composite foil facing on both sides (foil backed insulation)
• Thermal conductivity (λ): 0.022 W/mK
• Thermal resistance (R_D): 6.82 m²K/W at 150mm (Mannok Declaration of Performance)
• Compressive strength: >140 kPa
• Certification: BBA certificate 07/4444, IAB certificate 05/0223

Uses

• Solid ground floors – above or below the ground-bearing slab, or under a timber floating floor
• Suspended beam-and-block floors and suspended timber floors between joists
• Floors with underfloor heating
• Pitched roofs – above, between or below the rafters, and at ceiling level
• Flat roofs with a timber deck, insulated between and below the joists (cold deck)

Benefits

• Low thermal conductivity (0.022 W/mK) means you need less thickness to reach your target U-value.
• Foil facings boost the thermal resistance of an adjacent unventilated air space.
• High compressive strength copes with the loads transmitted through a floor.
• Lightweight rigid board that is easy to cut and fit. Butt the boards tightly together for a continuous insulation layer.
• Zero ozone depletion potential (ODP), low global warming potential (GWP) and an A+ rating against the BRE Green Guide.

FAQs

How many 150mm PIR boards do I need?
Each board covers 2.88 m². Divide your floor or roof area in m² by 2.88 and round up, allowing a little extra for cuts.

Can I use it with underfloor heating?
Yes. Mannok states that this board optimises the performance of underfloor heating systems.

What U-value will 150mm give me?
That depends on the full floor, wall or roof build-up. Use Mannok's U-value calculator or technical support to confirm the thickness you need for Irish Building Regulations.

Is the price per board?
Yes, the price is for one 150mm 2400 x 1200mm sheet, including VAT.

Specifications from Mannok's published product information for the Mannok Therm Floor / MF and Therm Roof / MR 2400 x 1200mm PIR boards.