Phenolic Insulation

We sell a wide range of phenolic insulation products to suit every need. Phenolic insulation is an ideal choice for a variety of applications, including thermal insulation, acoustical insulation, and fireproofing. Our phenolic insulation products are available in a variety of sizes and thicknesses to suit your specific needs. And because we're an online retailer, we can offer our products at highly affordable prices. So if you're looking for high quality phenolic insulation at an affordable price, Insulation4less is the perfect place to shop.
11 products
Kingspan Kooltherm K103 Floorboard (All Sizes) 2400mm x 1200mm
Kingspan Kooltherm K103 Floorboard (All Sizes) 2400mm x 1200mm
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K103 Floorboard (All Sizes) 2400mm x 1200mm
  • Premium lower lambda insulation: Kingspan Kooltherm K103 Floorboard enhances flooring performance with fibre-free phenolic core.
  • Durable construction: Glass tissue facings, autohesively bonded, ensure lasting quality and ease of installation.
  • Trusted quality: Manufactured underquality standards for safety and reliability.
Regular price
£285.00£342.00
Sale price
Was £0.00
£285.00 £342.00
Sold out
Kingspan Kooltherm K107 Pitched Roof Board (All Sizes) - 2.4m x 1.2m
Kingspan Kooltherm K107 Pitched Roof Board (All Sizes) - 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K107 Pitched Roof Board (All Sizes) - 2.4m x 1.2m
  • Premium insulation board: Kingspan Thermaroof TR26
  • Fibre-free phenolic core, ISO certified
  • Size: 2.4 x 1.2m, 0.019 W/mK conductivity
Regular price
£245.20£294.24
Sale price
Was £0.00
£245.20 £294.24
Sold out
Kingspan Kooltherm K118 Insulated Plasterboard (All Sizes) 2.4m x 1.2m (Price Per Pallet)
Kingspan Kooltherm K118 Insulated Plasterboard (All Sizes) 2.4m x 1.2m (Price Per Pallet)
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K118 Insulated Plasterboard (All Sizes) 2.4m x 1.2m (Price Per Pallet)
  • Fiber-free, rigid thermoset phenolic core
  • Low lambda values for superior heat retention
  • Dry lining with a strong adhesive bond for protection
Regular price
£944.80£1,133.76
Sale price
Was £0.00
£944.80 £1,133.76
Sold out
Kingspan Kooltherm K106 90mm x 1.2m x 0.45m (2.16m2)
Kingspan Kooltherm K106 90mm x 1.2m x 0.45m (2.16m2)
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K106 90mm x 1.2m x 0.45m (2.16m2)
Regular price
£85.11£102.13
Sale price
Was £0.00
£85.11 £102.13
Sold out
Kingspan Kooltherm K108 Cavity Board (All Sizes) 1200mm x 450mm
Kingspan Kooltherm K108 Cavity Board (All Sizes) 1200mm x 450mm
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K108 Cavity Board (All Sizes) 1200mm x 450mm
  • Premium rigid phenolic core
  • Low emissivity foil facing
  • Ultra-low thermal conductivity of 0.019 W/mK
Regular price
£98.45£118.14
Sale price
Was £0.00
£98.45 £118.14
Sold out
Kingspan Kooltherm K7 Pitched Roof Board (All Sizes) 2.4m x 1.2m
Kingspan Kooltherm K7 Pitched Roof Board (All Sizes) 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K7 Pitched Roof Board (All Sizes) 2.4m x 1.2m
Regular price
£203.20£243.84
Sale price
Was £0.00
£203.20 £243.84
Sold out
Kingspan Kooltherm K5 External Wall Board 1.2m x 0.6m (All Sizes)
Kingspan Kooltherm K5 External Wall Board 1.2m x 0.6m (All Sizes)
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K5 External Wall Board 1.2m x 0.6m (All Sizes)
  • Premium phenolic insulation: Thermal conductivity of 0.021 W/mK.
  • Euroclass C-s2,d0 fire rating: Ensures enhanced safety.
  • Easy to handle and install: Perfect for various wall types.
Regular price
£114.50£137.40
Sale price
Was £0.00
£114.50 £137.40
Sold out
Kingspan Kooltherm K112 Framing Board (All Sizes) - 2.4m x 1.2m
Kingspan Kooltherm K112 Framing Board (All Sizes) - 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K112 Framing Board (All Sizes) - 2.4m x 1.2m
  • Premium insulation board: Kingspan Kooltherm K112 Framing Board
  • Exceptional thermal conductivity: 0.019 W/m.K
  • Size: 2.4m x 1.2m, ISO-certified, eco-friendly, durable
Regular price
£314.95£377.94
Sale price
Was £0.00
£314.95 £377.94
Sold out
Kingspan Kooltherm K12 Framing Board (All Sizes) - 2.4m x 1.2m
Kingspan Kooltherm K12 Framing Board (All Sizes) - 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K12 Framing Board (All Sizes) - 2.4m x 1.2m
Regular price
£252.36£302.83
Sale price
Was £0.00
£252.36 £302.83
Sold out
Kingspan Kooltherm K110 Soffit Board (All Sizes) - 2.4m x 1.2m
Kingspan Kooltherm K110 Soffit Board (All Sizes) - 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K110 Soffit Board (All Sizes) - 2.4m x 1.2m
  • Premium performance: Kingspan Kooltherm® K110 Soffit Board, fibre-free phenolic core.
  • Certified quality: ISO compliance, BBA Certificate 16/5299 for assurance.
  • Expert guidance: Kingspan Insulation Technical Service for aesthetics, easy installation.
Regular price
£0.00£0.00
Sale price
Was £0.00
£0.00 £0.00
Sold out
Kingspan Kooltherm K15 Rainscreen Board (All Sizes) 2.4m x 1.2m
Kingspan Kooltherm K15 Rainscreen Board (All Sizes) 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K15 Rainscreen Board (All Sizes) 2.4m x 1.2m
Regular price
£0.00£0.00
Sale price
Was £0.00
£0.00 £0.00
Sold out

Phenolic insulation, specifically the Kingspan Kooltherm series, is renowned for its exceptional thermal performance and fire resistance. This category includes a variety of products tailored for different applications, each designed to meet specific insulation needs.

Floor Insulation

  • Kingspan Kooltherm K103 Floorboard: Ideal for ground floors and provides excellent thermal efficiency. Its large 2400mm x 1200mm panels are suitable for various floor types.

     

Roof Insulation

  • Kingspan Kooltherm K107 Pitched Roof Board & K7 Pitched Roof Board: These products are perfect for insulating pitched roofs. They offer high thermal performance and are available in large 2.4m x 1.2m sizes, catering to different roofing requirements.
  • Kingspan Kooltherm K15 Rainscreen Board: Specifically designed for rainscreen cladding applications, this board combines thermal efficiency with moisture resistance.

     

Wall Insulation

  • Kingspan Kooltherm K118 Insulated Plasterboard & K12 Framing Board: These are ideal for wall insulation, providing a fiber-free, thermoset phenolic core for superior heat retention. The K118 also offers dry lining with a strong adhesive bond.
  • Kingspan Kooltherm K108 Cavity Board & K106: These boards are designed for cavity wall insulation, ensuring a reduction in heat loss through walls. The K106 is smaller in size (90mm x 1.2m x 0.45m) for more specific applications.

     

Specialized Insulation Products

  • Kingspan Kooltherm K110 Soffit Board: This product offers premium performance for soffit insulation. It is characterised by its certified quality and ease of installation.
  • Kingspan Kooltherm K5 External Wall Board: Specifically designed for external wall applications, this board is smaller (1.2m x 0.6m) and highly effective in enhancing the thermal performance of exterior walls.
  • Kingspan Kooltherm K112 Framing Board: This is an excellent choice for frame construction, providing high insulation performance in a size of 2.4m x 1.2m.

     

When selecting the appropriate phenolic insulation product, consider the specific area of application (floor, roof, wall, or specialised use), the required thermal performance, and the dimensions needed for your project. Kingspan's Kooltherm series offers solutions for a wide range of applications, ensuring high-quality, durable, and efficient insulation for various building needs.

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