20mm IKO Enertherm ALU PIR Insulation Board

The 20mm IKO Enertherm ALU PIR Insulation Board delivers reliable thermal performance with a rigid polyisocyanurate foam core that contains no CFCs, HCFCs, or HFCs. Featuring a 20mm Insulation Board with dual-sided gas-tight aluminium protection comprising seven layers of reflective ALU cladding, this PIR Board has been rigorously tested for water resistance, structural durability, corrosion protection, and thermal emissivity across demanding conditions.

Properties

Brand: IKO Enertherm®

Thickness: 20mm

Length: 2400mm

Width: 1200mm

Dimensions: 2,400mm x 1,200mm x 20mm

Weight: 2.75kg

MPN: 30 IKO ALU

Density: 32 kg/m3

Compressive strength at: 10% deformation: 175kPa (17.5ton/m²)

R-Value: 1.35m2K/W

Thermal Conductivity: 0.022 W/mk

Water vapour diffusion: PIR foam: μ = 60 – ALU facing μ > 100,000

Applications: Roofs, Walls, Floors, Timber & Steel Frame

BBA Certified: Yes, No.15/5283

Features: Multi-functional ALU PIR Insulation

By Project Type: DIY, New Build, Refurbishment

Installation Method: Loose Laid, Mechanically Fixed, Partially Bonded

Material: PIR

Facing: Aluminium composite facing on both sides

Product Colour: Silver

Product Finish: Aluminium Multi Layer Lamination

Sector: Community & Amenity, Domestic, Education, Health, Hotel & Leisure, Industrial, Mixed Use, Offices, Private Housing, Retail, Social Housing, Utilities

Substrate: Concrete, Masonry Structure, Metal, Timber (Plywood-OSB)

Fire Performance: EN 13501-1: Class E | BS 476 – p7 : Class 1

Range Of Applications

1. Rooftop: Flat Roof Insulation for timber, concrete and steel deck.
2. Sarking: pitched roof insulation (type nF with neutral felt).
3. Floor: floor insulation (underfloor heating and concrete floors).
4. Wall: cavity wall insulation.
5. Wrap: outside wall insulation (closed joints).
6. Comfort: loft insulation.
7. Comfort Easy: Loft floor insulation.

This 20mm IKO Enertherm PIR insulation performs well across external walls, pitched roofs, floors, internal walls, inverted roofs, metal roofs, and flat roofs, delivering outstanding thermal efficiency. The boards enhance energy performance and reduce heat loss throughout your building, regardless of application type. Lower heating and cooling costs follow from improved thermal resistance—a significant benefit given current energy expenses. These boards are also eco-conscious, containing no CFCs, HCFCs, or HFCs, making them safe for the environment.

About

Pairing the 20mm PIR insulation board with Roof Membranes is straightforward, and the boards retain their insulating properties and structural integrity over extended periods thanks to excellent dimensional stability. Rot and mould resistance further extend service life and performance. The combination of high thermal values and slim profile means minimal overall build thickness, maximising usable space in roofs, floors, or cavities with this 20mm IKO Enertherm product.

Micro Cell Technology

IKO Enertherm incorporates distinctive Micro Cell Technology (MCT) through carefully balanced raw materials and production processes, creating an exceptionally fine cell structure.

Shape retention: IKO Enertherm boards maintain dimensional stability superior to PIR Boards with coarser foam structures, preventing cold bridging and ensuring prolonged service life without performance degradation.

Moisture resistance: MCT technology in 20mm IKO insulation boards delivers very low long-term water absorption (< 0.6%) compared to alternative materials. The PIR boards resist rot and mould growth, preserving insulation values by eliminating weight gain from moisture uptake.

Pressure insulation: 20mm IKO PIR boards withstand significant pressure loads due to high elasticity. MCT-enabled flexible cells prevent rupture and permanent indentation, even under foot traffic.

Info

Browse our Iko Enertherm range and filter by thickness or coverage using the left-hand menu. For product suitability advice or bulk pricing, contact us on +4402038839057, email sales@insulationbee, or use Live Chat - Lowest UK Insulation Prices.