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Table of Contents(Page UD-4)

Ultra-Dek® ENGINEERING

UNDERWRITERS LABORATORIES APPROVAL
Ultra-Dek®

Construction Number	Panel Width (In.)	Gauge	Clip Type	Clip Spacing	Substrate	UL-2218 Impact Resistance	UL-263 Fire Rating	UL-580 Rating
180B	24	24 min.	A	5-0’	Composite	Class 4	Class A	Class 90
205	24	24 min.	C	5'-0"	Open Framing	Class 4	Class A	Class 90
205A	24	24 min.	B	5'-0"	Open Framing	Class 4	Class A	Class 90
286	24	26 mm.	D	5'-0"	Plywood	Class 4	Class A	Class 90
308B	24	24 min.	A	5'-0"	Composite	Class 4	Class A	Class 90
514	24	24 min.	B	5'-0 1/4"	Open Framing	Class 4	Class A	Class 90
515	24	24 min.	C	5'-0 1/4"	Open Framing	Class 4	Class A	Class 90
516	24	24 min.	B	5'-0"	Composite	Class 4	Class A	Class 90
517	24	24 min.	B	5'-0 1/4"	Composite	Class 4	Class A	Class 90
521	24	26 min.	B	5'-0"	Plywood	Class 4	Class A	Class 90

Clip Type:

A (Fixed, Floating or Articulating); B (Floating or Articulating); C (Fixed or Floating); D (Utility or Articulating).

NOTES

Wind uplift test procedures are in accordance with Underwriters Laboratories Standard UL-580 under "Tests For Uplift Resistance of Roof Assemblies".

A detailed installation method is available for each Construction Number above and can be found in the UL Roofing Materials and Systems Directory. The panels must be installed in a certain manner to achieve the published results.

The panel qualifies for a Class A fire rating in compliance with Underwriters Laboratories Standard UL-263.

The panel system is listed under the following Fire Resistance Design Numbers: P224. P225, P227, P230, P233, P237, P265, P268, P508, P510, P512, P701, P711, P715, P717, P720, P722, P724, P726, P731, P734, P736, P801, P803, P814, P815, P819, P821, and P823. Refer to the UL Fire Resistance Directory for specific construction methods and hourly ratings.

Ultra-Dek® panels carry a Class 4 rating under UL-2218 "Test Standard For Impact Resistance."

ICBO APPROVAL

The ICBO Evaluation Service, Inc. has approved the Ultra-Dek® roofing system details, engineering, calculations, computer printouts and product data. This information has been found to comply with 1997 UBC Code and is listed in evaluation report number ER-5409. A copy of this report is available upon request.

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