Menu
Menu
Your Cart

25mm Kingspan Kooltherm K3 Phenolic Floorboard (pack of 12)

25mm Kingspan Kooltherm K3 Phenolic Floorboard (pack of 12)
25mm Kingspan Kooltherm K3 Phenolic Floorboard (pack of 12)
25mm Kingspan Kooltherm K3 Phenolic Floorboard (pack of 12)
25mm Kingspan Kooltherm K3 Phenolic Floorboard (pack of 12)
25mm Kingspan Kooltherm K3 Phenolic Floorboard (pack of 12)
  • Product Code: A1-323
  • Delivery Time: 3 - 5 days
  • Brand: Kingspan
  • (Tech. support: 01544388601)
  • Model: 2400 x 1200 (34.56m2)
  • Weight: 30.24kg
Product discontinued. Click Get Best Price to request a quotation and we will recommended an equivalent product.
Our ratings on 27-01-2026:
Google My Business Reviews
4.8 out of 5

25mm Kingspan Kooltherm K3 Phenolic Floorboard (pack of 12)

Length: 2400mm
Width: 1200mm
Pack Coverage: 34.56m2
Density: 35kg/m3
Weight/m2: 0.88kg
Weight: 30.24kg
Thermal Conductivity: 0.020W/mK
R-Value: 1.15m2K/W
Compressive Strength: 120kPa
Fire Rating (Reaction to Fire): B(Class 0)

25mm Kingspan Kooltherm K3 Floorboard is a cutting-edge floor insulation solution featuring a premium performance rigid thermoset insulation core. This floorboard is expertly designed with flexibility in mind, featuring a flexible facing on both sides. It's a versatile choice for a variety of applications. Crafted with a blowing agent that boasts zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP), this insulation is an environmentally conscious choice.

Characteristics:
  • Premium performance rigid thermoset insulation
  • Class 0 fire rating
  • Insulation core with Class 0 fire rating
  • Negligible smoke obscuration
  • Potential cost savings in soil removal and service connections
  • Unaffected by air infiltration
  • Resistant to water vapor passage
  • Easy handling and installation
  • Well-suited for new builds and renovations
  • Made from nondeleterious materials
  • Manufactured with a blowing agent with zero ODP and low GWP
Applications:
  • Beam and Dense Block Ground Floors
  • Suspended Timber Ground Floor
  • Solid Concrete Ground Based Floor
Certifications:

Kingspan Kooltherm K3 Floorboard is manufactured to the highest industry standards, backed by a management system certified to:

  • BS / I.S. EN ISO 9001: 2008 (Quality Management Systems - Requirements)
  • BS / I.S. EN ISO 14001: 2004 (Environmental Management Systems - Requirements)
  • BS / I.S. OHSAS 18001: 2007 (Health and Safety Management Systems - Requirements)

This exceptional product is available for swift 2-3 days delivery within the London M25 zone.

Brand: Kingspan Model: 1200mm x 400mm - 0.48m2
Delivery Time: In Stock 1-2 working days
80mm Kingspan Kooltherm K5 External Wall Insulation Board is the external wall insulation comprising a premium performance rigid thermoset phenolic insulation core faced on both sides with a glass tissue based facing auto-adhesively bonded to the insulation core during manufacture.&nb..
Brand: Kingspan Model: 1200x600mm - 3.60m2
Delivery Time: 3 - 5 days
100mm Kingspan Thermaroof TR24 is a rigid insulation board used for flat roof insulation, consisting of a rigid thermoset insulation core, covered with a glass tissue coated with bitumen. Its upper surface is finished with a thermo fusible polypropylene fleece, while the lower surface is covered wit..
£112.66
£135.19 inc VAT
Brand: Kingspan Model: Kooltherm 15/20mm
Delivery Time: 1 - 2 days
Kooltherm FM Pipe Insulation comprises sections of Kooltherm FM Insulation faced with a factory-applied foil vapour barrier jacket autohesively bonded to the insulation core during manufacture. Kooltherm FM Pipe Insulation is available in a range of thicknesses to suit different performance spe..
£4.91
£5.89 inc VAT
Brand: Kingspan Model: Kooltherm 18/40mm
Delivery Time: 1 - 2 days
Kooltherm FM Pipe Insulation comprises sections of Kooltherm FM Insulation faced with a factory-applied foil vapour barrier jacket autohesively bonded to the insulation core during manufacture. Kooltherm FM Pipe Insulation is available in a range of thicknesses to suit different performance specific..
£9.00
£10.80 inc VAT
Brand: Kingspan Model: Kooltherm 76/20mm
Delivery Time: 1 - 2 days
Kooltherm FM Pipe Insulation comprises sections of Kooltherm FM Insulation faced with a factory-applied foil vapour barrier jacket autohesively bonded to the insulation core during manufacture. Kooltherm FM Pipe Insulation is available in a range of thicknesses to suit different performance specific..
£11.44
£13.73 inc VAT
Brand: Kingspan Model: 1200mm x 2400mm - 2.88m2
Delivery Time: 1 - 5 working days
80mm Kingspan Thermawall TW55 is a high-performance rigid insulation board designed specifically for use in wall applications, particularly in new build and refurbishment projects. Manufactured using a premium polyisocyanurate (PIR) core, this insulation board offers exceptional thermal performance,..
£63.99
£76.79 inc VAT
This product is listed in the following categories and systems (click to show).