Kooltherm K12
Framing Board


Insulation for Wood and Steel Frame Walls

Kingspan Kooltherm K12 Framing Board is a premium performance insulation product, with a fiber–free rigid thermoset phenolic insulation core faced on both sides with a low emissivity composite foil facing which is used in wood or steel frame walls. It is resistant to the passage of water vapor, unaffected by air infiltration, and can be used between studs or as an insulating sheathing.
  • R-value of 16 on 2 in
  • Negligible smoke developed
  • Excellent fire performance
  • NFPA 285 compliant
  • ASTM E 84 rating of 25/20 (flame-smoke)
  • Resists moisture penetration
  • Unaffected by air infiltration
  • Easy to handle and install
  • Zero ODP, low GWP, HCFC and CFC free

Product Information

Property Test Method Result
Nominal Thickness
(in / mm)
1.18 / 30
1.97 / 50
Standard Dimensions
Width (in / mm)
Length (in / mm)
47.25 / 1200
96 / 2438
Compressive Strength, Min. 
ASTM C 209
Water Absorption, Max.
(% by volume)
ASTM C 272
Density, Min.
ASTM C 1621
Closed Cell Content
(% of cells closed)
ASTM D 6226
Air Permeance
(L/S/m2) / (cfm/ft²)
ASTM E 2178
0.002 / 0.000
Water Vapor Permeance, Max.1
Fire & Smoke
Flame Spread
Smoke Developed
ASTM E 84 25

*Contact Kingspan Insulation for available non-stock sizes.

The R–values detailed below are quoted in accordance with ASTM C 518 (Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus).
Insulant Thickness Thermal Resistance
(in) (mm) (R-value)
1.18 30 9.5
1.38 35 11
1.57 40 12.5
1.77 45 14.5
1.97 50 16
2.17 55 17.5
2.36 60 19
2.56 65 20.5
2.76 70 22
2.95 75 24
3.15 80 25.5
3.35 85 27
3.54 90 28.5
3.74 95 30
3.94 100 31.5
4.72 120 38
5.91 150 47.5
Kooltherm K12 Framing Board Brochure

Kooltherm K12 Framing Board Brochure

Kooltherm K12 Framing Board_Submittal_US_1704_IMG

Kooltherm K12 Framing Board Submittal

TER 1601-06

Technical Evaluation Report 1601-06 NFPA 285 - Kooltherm Insulation Board

TER 1601-07

Technical Evaluation Report 1601-07 NFPA 286 - Kooltherm Insulation Board

TER 1603-04

Technical Evaluation Report 1603-04 - Kooltherm Insulation Board Exterior Wall Coverings Attachment

Kooltherm Safety Data Sheet

Kooltherm Safety Data Sheet

Kingspan Kooltherm Section 07 21 00 Building Insulation

Kingspan Kooltherm Section 07 21 13 Phenolic Insulation


CSI 3-Part Specifications

Click the link below to view our CSI 3-Part Specs from ARCAT in a variety of file formats.

Kingspan Insulation CSI 3-Part Specifications

View and Download the Specifications

Kooltherm Insulation Board 15 Year Thermal Warranty

Kooltherm Insulation Board 15 Year Limited Thermal Warranty

Warranty Registration Form 1708 - Interactive_Page_1

Kingspan Warranty Registration Form


BIM Objects / CAD Details

Click the link below to view our BIM Objects / CAD Details from ARCAT

Kingspan Insulation BIM Objects/CAD Details from ARCAT

Download Typical Wall Assemblies

Featured Projects and Case Studies

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Contact Us

Kingspan Insulation North America

Head Office & Sales Office – North America

Kingspan Insulation LLC

2100 Riveredge Parkway, Suite 175

Atlanta, Georgia



Call: +1(800) 241 4402

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