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High performance partial fill cavity wall insulation

Kingspan Thermawall TW50 is a high performance insulation with a fibre-free rigid thermoset polyisocyanurate (PIR) core.

It is used to insulate cavity walls, and has a thermal conductivity of 0.022 W/m·K.

Product brochure

Our product brochures include U-value tables, handling advice and installation guidance.

Thermawall TW50

Product information

Product details
Services
Sustainability
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More information

Product information

Thermal conductivity 0.022 W/m·K
Facings Low emissivity composite foil
Core High performance rigid thermoset polyisocyanurate (PIR) insulant manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP)
Board size 1.2 x 0.45 metres
Weight Approx 3.25 kg/m2 at a thickness of 100 mm
Green Guide Rating Kingspan Thermawall TW50 achieves a Green Guide Rating of A+
Planet Passionate
Through our new Planet Passionate 10-year groupwide sustainability programme, we aim to make significant advances in the sustainability of our business and of our products.

Today, Thermawall TW50 is manufactured at two sites and offers the following sustainability performance.
 
Responsible Sourcing

Kingspan Thermawall TW50 produced at Kingspan Insulation’s Pembridge and Selby manufacturing facilities is certified to BES 6001 (Framework Standard for the Responsible Sourcing of Construction Products) ‘Excellent’.

Cavity wall blogs

Standard details

Our standard detail brochures provide clear details for wall junctions, including sills and jambs, that have been carefully developed with the aims of being buildable.

Thermawall TW50 (50 mm in 100 mm cavity) Standard Details

Thermawall TW50 (75 mm in 125 mm cavity) Standard Details

Case studies

Do you need help or advice on a project?

Contact our experienced technical services department today.

Get in touch

Kingspan Insulation Ltd

For queries relating to insulation boards, cavity closers or membranes.

Pembridge

Leominster

Herefordshire

HR6 9LA

General enquiries: 01544 388 601

Technical advice: 01544 387 382