75mm Kingspan Kooltherm K103 Floorboard Insulation 2.4m x 1.2m - 2.88m2 per board
75mm Kingspan Kooltherm K103 Floorboard is a floor insulation board sold here as single sheets, each covering 2.88m². At 75mm it sits in the part of the range where you want a meaningful thermal resistance from a board that is still slim, and buying by the sheet suits part floors, irregular bays and topping up an order rather than ordering a full pack.
The board carries a thermal resistance of 3.90 m²K/W, drawn from a fibre-free rigid thermoset phenolic core with a thermal conductivity of 0.019 W/mK. It measures 2400mm x 1200mm, has a square edge and is faced on both sides with glass tissue bonded during manufacture, and holds a compressive strength of 120 kPa to BS EN 826:2013, so it copes with the load of a screed or slab laid over it.
Because the core works at 0.019 W/mK, 75mm reaches its 3.90 m²K/W from a relatively shallow board. That matters on floors where build-up height is limited: door thresholds, the depth available beneath a finished floor level, or a refurbishment where the existing structure sets the ceiling on how much depth you have to play with. The slim board does the thermal work without eating into that allowance.
75mm Kingspan Kooltherm K103 is used in beam and dense block, suspended timber and solid concrete ground floors, laid over a damp proof membrane and installed in line with the latest Kingspan guidance and the project specification. In suspended timber floors the boards drop between the joists onto battens, saddle clips or nails rather than being fixed over them, and the board works with underfloor heating. Ordered as single sheets, it lets the board count follow the floor area exactly, with no leftover full pack to find a use for.
Key Benefits of Kingspan Kooltherm K103:
- 75mm rigid thermoset phenolic floor board with a fibre-free insulation core.
- Thermal conductivity of 0.019 W/mK.
- Thermal resistance (R-value) of 3.90 m²K/W at 75mm.
- Compressive strength of 120 kPa to BS EN 826:2013, for use beneath a floor screed or slab.
- Square edge, faced both sides with glass tissue bonded during manufacture.
- Board measures 2400mm x 1200mm, covering 2.88m² per sheet.
- Sold as single sheets, so you order the exact board count the floor needs.
- Suitable for beam and dense block, suspended timber and solid concrete ground floors.
- Compatible with underfloor heating.
- Reaction to fire classification of Euroclass C-s2,d0 to BS EN 13501-1:2018.
Good to know:
- The 3.90 m²K/W figure is the board's thermal resistance, not a finished floor U-value; check the U-value against the full build-up before ordering.
- Boards are laid over a damp proof membrane of at least 1200 gauge and should not be in direct contact with the subsoil.
- In suspended timber floors the boards drop between the joists onto battens, saddle clips or nails, rather than being fixed over the joists.
- K103 resists the passage of water vapour but does not act as a vapour control layer; under a screed, add a separate lapped and taped polythene sheet as the VCL.
- Where more depth is needed, boards can be doubled up in a break-bonded pattern so the joints in each layer do not line up.
Covering a whole floor? The same 75mm board is sold in packs here for bulk ordering.
For a floor that needs the resistance of 75mm without a deep build-up, single sheets let you buy the exact board count the job calls for and nothing spare.
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75mm Kingspan Kooltherm K103 Floorboard Insulation 2.4m x 1.2m - 2.88m2 per board
75mm Kingspan Kooltherm K103 Floorboard Insulation 2.4m x 1.2m - 2.88m2 per board
75mm Kingspan Kooltherm K103 Floorboard is a floor insulation board sold here as single sheets, each covering 2.88m². At 75mm it sits in the part of the range where you want a meaningful thermal resistance from a board that is still slim, and buying by the sheet suits part floors, irregular bays and topping up an order rather than ordering a full pack.
The board carries a thermal resistance of 3.90 m²K/W, drawn from a fibre-free rigid thermoset phenolic core with a thermal conductivity of 0.019 W/mK. It measures 2400mm x 1200mm, has a square edge and is faced on both sides with glass tissue bonded during manufacture, and holds a compressive strength of 120 kPa to BS EN 826:2013, so it copes with the load of a screed or slab laid over it.
Because the core works at 0.019 W/mK, 75mm reaches its 3.90 m²K/W from a relatively shallow board. That matters on floors where build-up height is limited: door thresholds, the depth available beneath a finished floor level, or a refurbishment where the existing structure sets the ceiling on how much depth you have to play with. The slim board does the thermal work without eating into that allowance.
75mm Kingspan Kooltherm K103 is used in beam and dense block, suspended timber and solid concrete ground floors, laid over a damp proof membrane and installed in line with the latest Kingspan guidance and the project specification. In suspended timber floors the boards drop between the joists onto battens, saddle clips or nails rather than being fixed over them, and the board works with underfloor heating. Ordered as single sheets, it lets the board count follow the floor area exactly, with no leftover full pack to find a use for.
Key Benefits of Kingspan Kooltherm K103:
- 75mm rigid thermoset phenolic floor board with a fibre-free insulation core.
- Thermal conductivity of 0.019 W/mK.
- Thermal resistance (R-value) of 3.90 m²K/W at 75mm.
- Compressive strength of 120 kPa to BS EN 826:2013, for use beneath a floor screed or slab.
- Square edge, faced both sides with glass tissue bonded during manufacture.
- Board measures 2400mm x 1200mm, covering 2.88m² per sheet.
- Sold as single sheets, so you order the exact board count the floor needs.
- Suitable for beam and dense block, suspended timber and solid concrete ground floors.
- Compatible with underfloor heating.
- Reaction to fire classification of Euroclass C-s2,d0 to BS EN 13501-1:2018.
Good to know:
- The 3.90 m²K/W figure is the board's thermal resistance, not a finished floor U-value; check the U-value against the full build-up before ordering.
- Boards are laid over a damp proof membrane of at least 1200 gauge and should not be in direct contact with the subsoil.
- In suspended timber floors the boards drop between the joists onto battens, saddle clips or nails, rather than being fixed over the joists.
- K103 resists the passage of water vapour but does not act as a vapour control layer; under a screed, add a separate lapped and taped polythene sheet as the VCL.
- Where more depth is needed, boards can be doubled up in a break-bonded pattern so the joints in each layer do not line up.
Covering a whole floor? The same 75mm board is sold in packs here for bulk ordering.
For a floor that needs the resistance of 75mm without a deep build-up, single sheets let you buy the exact board count the job calls for and nothing spare.
Original: $98.38
-65%$98.38
$34.43Product Information
Product Information
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Shipping & Returns
Description
75mm Kingspan Kooltherm K103 Floorboard is a floor insulation board sold here as single sheets, each covering 2.88m². At 75mm it sits in the part of the range where you want a meaningful thermal resistance from a board that is still slim, and buying by the sheet suits part floors, irregular bays and topping up an order rather than ordering a full pack.
The board carries a thermal resistance of 3.90 m²K/W, drawn from a fibre-free rigid thermoset phenolic core with a thermal conductivity of 0.019 W/mK. It measures 2400mm x 1200mm, has a square edge and is faced on both sides with glass tissue bonded during manufacture, and holds a compressive strength of 120 kPa to BS EN 826:2013, so it copes with the load of a screed or slab laid over it.
Because the core works at 0.019 W/mK, 75mm reaches its 3.90 m²K/W from a relatively shallow board. That matters on floors where build-up height is limited: door thresholds, the depth available beneath a finished floor level, or a refurbishment where the existing structure sets the ceiling on how much depth you have to play with. The slim board does the thermal work without eating into that allowance.
75mm Kingspan Kooltherm K103 is used in beam and dense block, suspended timber and solid concrete ground floors, laid over a damp proof membrane and installed in line with the latest Kingspan guidance and the project specification. In suspended timber floors the boards drop between the joists onto battens, saddle clips or nails rather than being fixed over them, and the board works with underfloor heating. Ordered as single sheets, it lets the board count follow the floor area exactly, with no leftover full pack to find a use for.
Key Benefits of Kingspan Kooltherm K103:
- 75mm rigid thermoset phenolic floor board with a fibre-free insulation core.
- Thermal conductivity of 0.019 W/mK.
- Thermal resistance (R-value) of 3.90 m²K/W at 75mm.
- Compressive strength of 120 kPa to BS EN 826:2013, for use beneath a floor screed or slab.
- Square edge, faced both sides with glass tissue bonded during manufacture.
- Board measures 2400mm x 1200mm, covering 2.88m² per sheet.
- Sold as single sheets, so you order the exact board count the floor needs.
- Suitable for beam and dense block, suspended timber and solid concrete ground floors.
- Compatible with underfloor heating.
- Reaction to fire classification of Euroclass C-s2,d0 to BS EN 13501-1:2018.
Good to know:
- The 3.90 m²K/W figure is the board's thermal resistance, not a finished floor U-value; check the U-value against the full build-up before ordering.
- Boards are laid over a damp proof membrane of at least 1200 gauge and should not be in direct contact with the subsoil.
- In suspended timber floors the boards drop between the joists onto battens, saddle clips or nails, rather than being fixed over the joists.
- K103 resists the passage of water vapour but does not act as a vapour control layer; under a screed, add a separate lapped and taped polythene sheet as the VCL.
- Where more depth is needed, boards can be doubled up in a break-bonded pattern so the joints in each layer do not line up.
Covering a whole floor? The same 75mm board is sold in packs here for bulk ordering.
For a floor that needs the resistance of 75mm without a deep build-up, single sheets let you buy the exact board count the job calls for and nothing spare.
