Kingspan · QuadCore cold storage panel systems

QuadCore KS Flat

A flat-faced QuadCore wall and ceiling panel in a 42 in. module, for interior or exterior use in food, life-science, pharmaceutical and laboratory buildings.

D.W. Ross supplies Kingspan panels for cold storage, clean room and fire-rated work, and can install the panel system it supplies or deliver it material-only for your contractor.

← Cold storage and controlled-environment panels

Specifications

As published by Kingspan. Used for: Cold storage, Food processing, Clean rooms and labs, Exterior walls.

Profile
Exterior: Flat. Interior: Shadowline.
Embossing
Exterior and interior: stucco or non-embossed.
Gauge
Exterior and interior: 26, 24 or 22 ga.
Width
42 in.
Thickness
2, 2.5, 3, 4, 5, 6 or 8 in.
Length
8 to 53 ft.
Reveal
Vertical: 1/8 or 3/8 in. Horizontal: 3/8 in.
Orientation
Vertical or horizontal.
Joint
KS joint.
Coating option
CLEANsafe coatings for corrosion and heavy wash-down.
Insulation core
QuadCore. About R-8 per inch at 75°F mean temperature and about R-9 per inch at 35°F mean temperature, ASTM C518.
Availability
Confirmed by D.W. Ross in the quote for your project.

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QuadCore KS Flat insulated panel with a smooth white face, fastened to a steel girt at an intermediate support
Intermediate support. Image: Kingspan.
Two QuadCore KS Flat panels meeting at an outside corner over a steel corner post
Outside corner. Image: Kingspan.
Stacked QuadCore KS Flat panels with a horizontal stack joint and its support trim
Stack joint. Image: Kingspan.

R-value by thickness

Thermal resistance per ASTM C518, as published by Kingspan.
ThicknessAt 35°F mean temperatureAt 75°F mean temperature
2 in.R-18R-16
2.5 in.R-22.5R-20
3 in.R-27R-24
4 in.R-36R-32
5 in.R-45R-40
6 in.R-54R-48
8 in.R-72R-64

Published test results

Test procedures and results as listed by Kingspan. The listing, not this page, is the reference for a code review.
TestProcedureResult
FireFM 4880Passed: Class 1 Fire Rating of Building Panels or Interior Finish Materials*
FireFM 4882Passed: Smoke Sensitive Occupancies Interior and Exterior Use*
FireASTM E84Flame spread 25 or less / smoke developed 90 or less
FireCAN/ULC-S101Fire endurance tests: 10 min (fastener conditions vary depending on product thickness)
FireCAN/ULC-S102Flame spread 20, smoke developed 45 for panel insulation core
FireCAN/ULC-S138Passed: fire growth of foamed plastic insulated building panels in a full scale room configuration
FireCAN/ULC-S134Passed: standard method of test for fire of exterior wall assemblies
FireNFPA 259Tested for potential heat of building materials
FireNFPA 285Passed: fire propagation characteristics of exterior non-load-bearing wall assemblies containing combustible components
StructuralFM 4881Passed. Complete wind pressure ratings from Kingspan Technical Services or ApprovalGuide.com*
StructuralASTM E72Vacuum chamber tested. Panel load/span and deflection tables are available
Air infiltrationASTM E2830.003 CFM/ft² of panel area at 6.24 psf
WaterASTM E331No uncontrolled water penetration at 20 psf differential pressure
WaterAAMA 501.1Dynamic water pressure testing: no sign of water leakage at 15 psf
Bond strengthASTM D1623Panels tested for tensile bond strength of metal to foam. Sample placed in an autoclave device and pressurized to 2 PSI at 218°F for 2½ hours
Skin delamination—No skin delamination with direct pull-off pressure up to 1188 psf

*FM scope: thickness 2 to 6 in., width 24 to 42 in., minimum panel length 8 ft, minimum gauge 26 ga exterior and interior.

For FM compliance, systems must be installed in accordance with FM installation specifications as detailed on ApprovalGuide.com.

Product data and images: Kingspan Insulated Panels and Kingspan Insulation. Values as published by Kingspan; the data sheet linked on each page is the current reference. Read on 2026-10-12 from Kingspan product page: QuadCore KS Flat and QuadCore KS Flat Data Sheet.

Tell us about the room.

Design temperature, size, wash-down and fire requirements, or the drawings. We confirm the panel, thickness, gauge and finish, and quote it.