Mannok Therm PIR Floor Insulation 40mm
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Mannok Therm PIR Floor Insulation 40mm
(Approx. 3-5 working days)


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Mannok Therm PIR Floor Insulation 40mm is a premium PIR insulation board engineered to improve the thermal efficiency of solid and suspended floors in both residential and commercial properties.
With an impressive low thermal conductivity of 0.022 W/m²K, it effectively reduces heat loss while maintaining a slim, space-saving design. Its rigid, fibre-free core is encased in a low-emissivity composite foil, enhancing performance—especially in underfloor heating applications.
Mannok Therm PIR Floor Insulation offers high compressive strength, capable of withstanding heavy loads over time.
Environmentally responsible, it holds an A+ rating in the BRE Green Guide, has zero ozone depletion potential (ODP), and a low global warming potential (GWP) of under 5. Fully compliant with BS EN 13165 standards and CE marked.
- High Thermal Performance with a low thermal conductivity of 0.022 W/m²K
- Designed with high compressive strength, it withstands heavy loads, ensuring long-term stability in both solid and suspended floor applications
- The rigid PIR core with a low emissivity composite foil enhances the efficiency of underfloor heating systems by improving heat distribution
- Achieves an A+ rating in the BRE Green Guide, has zero ozone depletion potential (ODP), and a low global warming potential (GWP) of less than 5
| Brand | Mannok |
|---|---|
| Width | 1200 mm |
| Acoustic | No |
| Applicable Standards | BS EN 13501-1 |
| Coverage | 2.88 m² |
| Fire Rating | Class F |
| Fire Resistant | Yes |
| Length | 2.4 m |
| Moisture Resistant | Yes |
| Sold Per | Sheet |
| Suitable For | Solid Ground Floor, Suspended Beam & Block Floor, Suspended Timber Ground Floor |
| Thermal Conductivity | 0.022 W/mK |
| Thickness | 40 mm |
| Material | PIR (Polyisocyanurate) |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.
Mannok Therm PIR Floor Insulation 40mm is a premium PIR insulation board engineered to improve the thermal efficiency of solid and suspended floors in both residential and commercial properties.
With an impressive low thermal conductivity of 0.022 W/m²K, it effectively reduces heat loss while maintaining a slim, space-saving design. Its rigid, fibre-free core is encased in a low-emissivity composite foil, enhancing performance—especially in underfloor heating applications.
Mannok Therm PIR Floor Insulation offers high compressive strength, capable of withstanding heavy loads over time.
Environmentally responsible, it holds an A+ rating in the BRE Green Guide, has zero ozone depletion potential (ODP), and a low global warming potential (GWP) of under 5. Fully compliant with BS EN 13165 standards and CE marked.
- High Thermal Performance with a low thermal conductivity of 0.022 W/m²K
- Designed with high compressive strength, it withstands heavy loads, ensuring long-term stability in both solid and suspended floor applications
- The rigid PIR core with a low emissivity composite foil enhances the efficiency of underfloor heating systems by improving heat distribution
- Achieves an A+ rating in the BRE Green Guide, has zero ozone depletion potential (ODP), and a low global warming potential (GWP) of less than 5
| Brand | Mannok |
|---|---|
| Width | 1200 mm |
| Acoustic | No |
| Applicable Standards | BS EN 13501-1 |
| Coverage | 2.88 m² |
| Fire Rating | Class F |
| Fire Resistant | Yes |
| Length | 2.4 m |
| Moisture Resistant | Yes |
| Sold Per | Sheet |
| Suitable For | Solid Ground Floor, Suspended Beam & Block Floor, Suspended Timber Ground Floor |
| Thermal Conductivity | 0.022 W/mK |
| Thickness | 40 mm |
| Material | PIR (Polyisocyanurate) |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.






