KingRib Roof

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KingRib Insulated Roof Panel for Cold Storage

KingRib insulated roof panels are the ultimate high R-value roof system. The installation process saves labor by providing the exterior weather barrier, insulation and interior finish all in one step. KingRib is designed for use on commercial / industrial and cooler buildings for new and re-roof applications.

Panel thickness up to 6”
R-values up to of 49 means superior thermal performance
Ideal for controlled environments including coolers, freezers and pharmaceutical production
Interior mesa profile with stucco embossing provides attractive ceiling
Excellent foam-to-foam contact at joint for reduced thermal bridging
Light weight, low maintenance system

Product Information

Technical Information

Performance Testing & Approvals

Warranty

Colours

Profile	Exterior: Ribbed Trapezoidal Interior: Mesa
Embossing	Exterior: Smooth Interior: Embossed
Gauge	Exterior: 26, 24, 22 ga Interior: 26, 24, 22 ga
Width	40"
Thickness	1.5", 2.5", 4", 5", 6"
Length	8' - 50'
Orientation	Roof and Wall
Post fabrication	Cutbacks
R-value	≈ 7.2 per inch per ASTM C518 @ 75˚F ≈ 8.2 per inch per ASTM C518 @ 40°F

Test

Procedure

Results

Fire

FM-4880

Class 1 Fire Rating of Insulated Wall or Wall and Roof/Ceiling Panels,
Interior Finish Materials or Coatings, and Exterior Wall Systems

ASTM E84

Flame spread: 25 or Less, Smoke developed: 450 or Less

Wind Uplift

Factory Mutual 4471

1-60 @ 5’-3" spans with minimum 16 gauge roof purlins

Strength

ASTM E72 Chamber Method

Panel load / span and deflection tables are available

Thermal Transmission

ASTM C518

Thermal Performance at 75°			Thermal Performance at 35°
Thickness	U-Factor	R-Value	Thickness	U-Factor	R-Value
1.5	0.093	11	1.5	0.081	12
2.5	0.056	18.0	2.5	0.049	20

4	0.035	29	4	0.030	33
5	0.028	36.0	5	0.024	41
6	0.023	43	6	0.020	49

Air Infiltration

ASTM E1680

0.04 CFM/ft2 of Panel Area at 20 psf

Water Penetration

ASTM E1646

No Water Penetration at 20.0 psf

At Kingspan, we understand the unique challenges that design and construction professionals face every day. To do our part in meeting these demands, Kingspan products are offered with our team’s guidance and technical expertise, followed up after construction is completed with our product warranties: