40mm Mannok PIR Floor Insulation Board

40mm Mannok Therm Floor / MF is a premium Insulation Board delivering outstanding thermal performance with a fibre-free construction. The product features a rigid thermoset insulation core with low emissivity composite foil facing on both surfaces.

With excellent compressive strength, 40mm Mannok PIR insulation resists floor loads effectively, making it suitable for new builds and refurbishment work in commercial and domestic properties.

Mannok PIR Insulation Board enhances underfloor heating system performance significantly. It works particularly well with suspended timber floors, reducing heat loss and air infiltration to improve overall thermal efficiency. This makes it an excellent upgrade option for existing floor installations.

Previously marketed as 40mm Quinn Therm QF, this product maintains the same proven specifications and performance standards.

Properties

Manufacturer: Mannok | Quinn Therm

Thickness: 40mm Insulation Board

Length: 2400mm

Width: 1200mm

Dimensions: 2,400mm x 1,200mm x 40mm

Material: Polyisocyanurate (PIR)

R-Value: 1.80 m2K/W

Density: 30-36 kg/m3

Edge: Butt

Thermal Conductivity: 0.022 W/mk

Core water vapour resistivity (MNs/ gm): ≅300

Finish: Aluminium composite foil

Fire Rate: 20 - 55mm Class 1 Euroclass F | 60 - 150mm Class 1 Euroclass E

Core: Fibre free rigid thermoset insulation core

Compressive Strength: 150 kPa

Applications: Roofs, Walls & Floors. Including underfloor heating systems.

Features: General Purpose PIR Insulation Board

Benefits for Pitched Roof Applications

40mm rigid insulation performs excellently in pitched roof installations for both new construction and refurbishment projects involving roof stripping and recovery. The material spans rafters effectively whilst managing roof loads. Low emissivity facings boost thermal resistance in air spaces, enhancing overall roof thermal performance.

Benefits for Framed Wall Applications

40mm Mannok insulation suits framed walls in new builds and dry lining applications for both new and refurbished properties. Low emissivity facings improve cavity thermal performance and reduce wall U-values. The low thermal conductivity means thinner installations achieve target design U-values.

Benefits for Floor Applications

The 40mm Insulation Board delivers high compressive strength, handling dead and imposed floor loads across commercial and domestic settings. Suitable for new builds and refurbishment work, it maximises Underfloor Heating System efficiency and improves existing floor thermal performance. It minimises heat loss through air infiltration in suspended timber floors. Low thermal conductivity reduces the thickness needed to meet target U-values for better energy efficiency.

Why Choose Mannok PIR Insulation

40mm Mannok PIR Insulation offers a comprehensive product range combining superior quality with reliable performance. National distribution backed by in-house Technical Experts ensures complete project support.

Excellent Performance

Our Floor Insulation range delivers sustained thermal performance meeting low energy building requirements. The product combines outstanding compressive strength with long-term durability.

Sustainability

The product has zero Ozone Depletion Potential (ODP) and Global Warming Potential (GWP) below 5. It holds an A+ rating from the BRE Green Guide, demonstrating excellent environmental credentials. Our Environmental Management System meets ISO 14001 certification standards.

Quality Assurance

Our PIR Insulation range exceeds national and European Standard performance requirements. Products carry CE marking and accreditations from BBA and IAB. Daily quality control testing against all relevant European standards guarantees consistent product quality.

Info

Browse our Mannok range and filter by thickness or coverage using the left-hand menu. For project suitability advice or quantity discount quotations, contact us by phone on +4402038839057, email sales@insulationbee, or use Live Chat for the lowest UK Insulation prices.