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Material Sheet

Insulation Board

What is it used for

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Residential Construction

Used in walls, roofs, and floors to enhance thermal performance and reduce energy costs.

Commercial Buildings

Provides thermal insulation for large structures, contributing to energy efficiency and compliance with building regulations.

Industrial Applications

Used in warehouses and factories to maintain temperature control and reduce heating and cooling expenses.

Brick Wall


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Length: Typically 2400 mm

Width: Typically 1200 mm

Thickness: Varies from 25 mm to 150 mm

Weight: Varies based on material and thickness; approximately 3 kg to 15 kg per board

What it’s Made From

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Polystyrene (EPS)

Provides excellent thermal insulation and moisture resistance.

Polyurethane (PUR)

Offers high insulation performance with a lower thickness requirement.

Polyisocyanurate (PIR)

Known for its high thermal efficiency and fire resistance.


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Expanded Polystyrene (EPS) Board

Description: Lightweight, moisture-resistant insulation with good thermal performance.

Applications: Ideal for wall and floor insulation in residential and commercial buildings.

Polyisocyanurate (PIR) Board

Description: High-performance insulation with excellent thermal efficiency and fire resistance.

Applications: Suitable for roofs, walls, and floors in both residential and commercial buildings.

Extruded Polystyrene (XPS) Board

Description: Dense, rigid insulation offering superior moisture resistance and compressive strength.

Applications: Perfect for below-ground applications, basements, and external wall insulation.


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Tools Required

Utility knife | Straightedge | Tape measure | Trowel

Materials Required

Insulation boards | Adhesive or mechanical fixings | Joint tape | Vapor barrier (if needed)

Step-by-Step Guide:

  1. Preparation: Measure the area and cut the insulation boards to fit using a utility knife and straightedge.

  2. Apply Adhesive: Use adhesive or mechanical fixings to attach the boards to the surface.

  3. Position Boards: Place the boards tightly together, ensuring no gaps.

  4. Seal Joints: Apply joint tape to seal the gaps between boards.

  5. Install Vapor Barrier: If required, install a vapor barrier over the insulation boards.

  6. Finishing: Ensure the boards are securely fixed and check for any gaps or loose areas.

Technical Specification

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Thermal Conductivity: 0.022 - 0.038 W/m·K

Fire Resistance: Varies by type; PIR and PUR generally offer better fire resistance.

Compressive Strength: 100 - 200 kPa

Water Absorption: Typically low, ensuring long-term performance in damp conditions.


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BS EN 13165: Thermal insulation products for buildings – Factory-made rigid polyurethane foam (PUR) products.

BBA Certification: Assures quality and performance for various insulation products.

Purchasing Quantities

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Single Boards

Ideal for small projects, repairs, or when only a few boards are needed.


Typically sold in bulk, with each pallet containing around 10 to 20 boards. This option is suitable for medium to large construction projects.


Smaller quantities than pallets, often sold in bundles of 2, 5, or 10 boards, suitable for minor projects or additions.

Environmental Impact

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Sustainability Considerations

Insulation boards reduce energy consumption, lowering the carbon footprint of buildings.

Eco-friendly Alternatives

Boards made from recycled materials or natural fibers such as wood wool or hemp.

Waste Reduction

Long-lasting and durable, reducing the need for frequent replacements.

Energy Efficiency

Significant energy savings over the lifespan of a building, offsetting the initial environmental impact of production.



Similar Materials

Natural Insulation
Natural Insulation


Loft Insulation
Loft Insulation


Wall & Cavity Insulation
Wall & Cavity Insulation


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