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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

0.022 W/m·K
Low emissivity composite foil
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)
1.2 x 0.45 metres

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

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

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