Kingspan Thermawall TW55 130mm PIR Wall Insulation

130mm Thermawall TW55 provides high-performance thermal insulation for timber frame and steel frame wall systems. Delivering a thermal conductivity of 0.022 W/mK, this product offers superior thermal resistance. The 130mm boards are straightforward to cut and fit, ensuring efficient installation. Multiple thickness options are available to suit different insulation specifications.

Key benefits include outstanding thermal efficiency for cavity wall insulation applications, compatibility with both timber and steel frame construction, and versatility as inter-stud insulation or external sheathing. This makes it particularly suitable for Modern Methods of Construction (MMC).

Properties

Brand: Kingspan

Thickness: 130mm

Length: 2400mm

Width: 1200mm

Weight: 1.84kg | TW55 has an approximate weight of 3.50 kg/m2 at a thickness of 130 mm.

Model: 130mm Thermapitch TW55

Dimensions: 2,400mm x 1,200mm x 130mm

Compressive Strength: The compressive strength typically exceeds 140 kPa at 10% compression.

Density: 32 Kg/m3

Length: 2400mm

Material: Polyisocyanurate (Kingspan PIR Insulation)

R-Value: 5.90 m2K/W

Size: 1200mm x 2400mm

Thermal Conductivity: 0.022 W/mk

Finish: 130mm TW55 is faced on both sides with a low emissivity composite foil, autohesively bonded to the insulation core during manufacture.

Applications: Insulation for timber and steel framing systems.

Fire Resistance: Under System 4 AVCP, 130mm Thermapitch TW55 has a Euroclass rating of F.

Water vapour resistance: 110 MNs/g

BBA Certified: Yes, No. 14/5133

Features: Improves the Thermal Resistance | Unaffected by air infiltration | Resistant to the passage of water vapour

Applications

This 130mm insulation product suits numerous installation methods, including external sheathing on timber or steel frame structures, inter-stud placement in timber frame walls, external masonry combined with timber frame, and ventilated cladding systems with timber frame construction.

Facing Details

The manufacturing process applies a low emissivity composite foil to both sides of Kingspan 130mm PIR, creating a reflective barrier that enhances thermal resistance in unventilated cavities adjacent to the board.

Core Composition

The core of 130mm Kingspan Thermawall TW55 utilises Nilflam® technology, delivering a premium fibre-free rigid thermoset polyisocyanurate (PIR) material. The production process employs a blowing agent with zero Ozone Depletion Potential (ODP) and minimal Global Warming Potential (GWP).

Compressive Strength

When tested to BS EN 826:2013 (Thermal insulating products for building applications. Determination of compression behavior), 130mm Kingspan PIR insulation typically achieves compressive strength exceeding 140 kPa at 10% compression.

Water Vapour Resistance

Tested in accordance with BS EN 12086:2013 (Thermal insulating products for building applications. Determination of water vapor transmission properties), the product typically demonstrates water vapour resistance well above 100 MNs/g.

Durability

The lifespan of 130mm TW55 depends on correct installation, adequate structural support, and appropriate usage conditions. When installed properly, the product can achieve an indefinite service life.

Fire Performance

130mm Kingspan Insulation TW55 achieves an F Euroclass rating under System 4 AVCP. When installed in pitched roof applications beneath suitable roof coverings, it meets national standards for external fire exposure.

Info

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