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Home  /  PIR Boards  /  Cavity External Walls  /  25mm Kingspan Thermawall TW50 PIR Cavity Wall Insulation Board 1200x450 (pack of 20)

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25mm Kingspan Thermawall TW50 PIR Cavity Wall Insulation Board 1200x450 (pack of 20)

UK delivery time:
3 - 5 days

25mm Kingspan Thermawall TW50 PIR Cavity Wall Insulation Board 1200x450 (pack of 20)

Kingspan Thermawall TW50 is the cavity wall insulation comprising a high performance rigid thermoset insulation core (PIR) faced on both sides with a low emissivity composite foil facing. Thermal Conductivity 0.022 W/mK.
Kingspan

Price: £ 74.45 (£89.34 inc VAT) Click to view discounts

5 or more: £73.22 (£87.86 inc VAT)
10 or more: £71.98 (£86.38 inc VAT)
20 or more: £70.17 (£84.20 inc VAT)

25mm Kingspan Thermawall TW50 is the cavity wall insulation comprising a high performance rigid thermoset insulation core (PIR) faced on both sides with a low emissivity composite foil facing.

The product is manufactured under a certified management system with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP); in accordance with the requirements of draft BS 4841–1.

Application:

Kingspan Thermawall TW50 is specifically aimed at partial fill cavity wall applications in a variety of cavity wall constructions:

  • Brick Outer Leaf / Cavity / Lightweight Block Inner Leaf
  • Brick Outer Leaf / Cavity / Aerated Block Inner Leaf
  • Dense Block Outer Leaf / Cavity / Dense Block Inner Leaf
  • Dense Block Outer Leaf / Cavity / Medium Dense Block Inner Leaf
  • Brick Outer Leaf / Cavity / Medium Dense Block Inner Leaf

Advantages of 25mm Kingspan Thermawall TW50:

  • High performance rigid thermoset insulation
  • Clear cavity is maintained – resists moisture penetration
  • Low emissivity foil facings significantly increase the thermal resistance of the cavity
  • Meets NHBC technical requirements when used with a 50 mm residual cavity
  • Unaffected by air infiltration
  • Easy to handle and install
  • Non–deleterious material
  • Manufactured with a blowing agent that has zero ODP and low GWP
Thickness: 25mm
Length: 1200mm
Width: 450mm
Pack size: 20
Area per pack: 10.8m2
Material: Polyisocyanurate (PIR) with aluminium foil facings on both sides
Thermal conductivity: 0.022 W/mK
Thermal Resistance (R-Value): 1.10 m2K/W
Board weight: 0.46kg
Compressive strength at 10% compression: ≥125kPa
Dimensional stability: DS(TH)8
Water vapour resistance: >100 MNs/g
Surface spread of flame: Class 1
Fire resistant: YES