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Price range: £73.19 through £114.38
Kingspan Thermaroof TR24 is a premium, rigid PIR (polyisocyanurate) insulation board designed for use on flat roofs. It offers exceptional thermal performance, making it ideal for both new build and refurbishment projects where long-term energy efficiency and durability are key.
The Kingspan Thermaroof TR24 insulation board provides high-performance thermal insulation for flat roofs using mechanically fixed single-ply waterproofing systems. Manufactured from rigid PIR insulation core with a tough mineral-coated glass tissue facing on both sides, it delivers outstanding compressive strength, dimensional stability, and long-term reliability.
Suitable for a wide range of flat roofing applications, including steel, timber, and concrete decks, Thermaroof TR24 ensures excellent insulation performance with minimal thickness. Its closed-cell structure resists moisture ingress and maintains consistent thermal efficiency over time.
Designed to meet modern building standards, TR24 contributes to reduced heat loss and energy consumption, helping achieve compliance with current regulations.
Mechanically fixed single-ply membrane roofs
Flat roof constructions on steel, timber, or concrete decks
Commercial, industrial, and residential roofing systems
| Thickness | Board Size (mm) | Boards per Pack | Coverage per Pack (m²) |
30 mm | 1200 x 600 | 10 | 7.2 |
50 mm | 1200 x 600 | 6 | 4.32 |
80 mm | 1200 x 600 | 4 | 2.88 |
100 mm | 1200 x 600 | 5 | 3.6 |
120 mm | 1200 x 600 | 4 | 2.88 |
130 mm | 1200 x 600 | 3 | 216 |
140 mm | 1200 x 600 | 3 | 2.16 |
150 mm | 1200 x 600 | 2 | 1.44 |
Product Name: Kingspan Thermaroof TR24
Core Material: Rigid Polyisocyanurate (PIR)
Facing: Mineral-coated glass tissue (both sides)
Thermal Conductivity (λ-value): 0.024 – 0.026 W/m·K (depending on thickness)
Compressive Strength: ≥150 kPa at 10% compression
Board Size: 1200 mm x 600 mm
Applications: Mechanically fixed single-ply flat roofs
Typical Deck Types: Steel, timber, concrete
Certification: BBA approved
Compliance: Meets Building Regulations Part L
Kingspan is a market leader in building envelope and insulation products for energy-efficient roofing. Their systems are engineered for performance, helping meet thermal targets while simplifying installation.
