Westlake DaVinci Roofscapes, LLC
Building Products Listing Program
- Westlake DaVinci Roofscapes, LLC
- Composite Roof Panels
- 13890 West 101st Street, Lenexa, KS 66215
- B1050
- B1050-1. Edition 9
- June 31, 2012
- August 18, 2025
- N/A
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ASTM E108-20a
Standard Test Methods for Fire Tests of Roof Coverings.
UL 790-22
Standard Test Methods for Fire Tests of Roof Coverings.
CAN/ULC S107-19
Standard Methods of Fire Tests of Roof Coverings.
UL 2218-24
Impact Resistance of Prepared Roof Covering Materials.
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Westlake DaVinci Roofscapes composite roof coverings are polymeric products available in the following models:
•DaVinci Shake
•DaVinci Slate
•Select Shake
•Fancy Shake (Beaver / Diamond)
•Province Slate
•Inspire Class A
•Inspire Class C -
Listed products are identified with the following information:
•Address of manufacture
•Product Name
•Date of Manufacture
•Standards “UL2218”, “ASTM E108”, “UL 790” or “CAN/ULC S107”.
•QAI logo shown here:
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Ratings:
The following outlines roof-fire classified assemblies determined in accordance with ASTM E108, UL 790, CAN/ULC S107 and UL 2218:
SYSTEM NUMBER MINIMUM SHEATHING2 APPROVED UNDERLAYMENT3,4 APPROVED5 COVERING(s) MAXIMUM EXPOSURE
(in)
(mm)MAXIMUM SLOPE CLASS 1 15/32’’ (12 mm)
Exposure 1 PlywoodAny Approved Underlayment Davinci Slate
Davinci Shake
Select Shake
Province Slate
Inspire Classic A or C8 (203)
10 (254)
10 (254)
8 (203)
7.5 (191)Unlimited C 2 15/32’’ (12 mm)
Exposure 1 Plywood1 layer Eco Chief Solarhide™
Optional: 1 base layer ASTM D1970Davinci Slate
Davinci Shake
Select Shake
Province Slate
Inspire Classic A8 (203)
10 (254)
10 (254)
8 (203)
7.5 (191)Unlimited A 3 15/32’’ (12 mm)
Exposure 1 Plywood1 layer 30 lbs ASTM D226 Type II + 1 layer 0.1’’ ASTM D3909
Optional: 1 base layer ASTM D1970Davinci Slate
Davinci Shake
Select Shake
Province Slate8 (203)
10 (254)
10 (254)
8 (203)
7.5 (191)Unlimited A 4 15/32’’ (12 mm)
Exposure 1 Plywood2 layers Fontana VulcaSeal G40 Davinci Slate
Davinci Shake
Select Shake
Province Slate8 (203)
10 (254)
10 (254)
8 (203)
7.5 (191)Unlimited A 5 15/32’’ (12 mm)
Exposure 1 Plywood1 layer ELK VersaShield™
Optional: 1 base layer ASTM D1970Davinci Slate
Davinci Shake
Select Shake8 (203)
10 (254)
10 (254)Unlimited A 6 15/32’’ (12 mm)
Exposure 1 Plywood1 layer 30 lbs ASTM D226 Type II OR
2 layers 15 lbs ASTM D226 Type I
Optional: 1 base layer ASTM D1970Davinci Slate 6 (152) Unlimited A 7 15/32’’ (12 mm)
Exposure 1 Plywood1 layer Fontana VulcaSeal G40 Davinci Slate
Davinci Shake
Select Shake8 (203)
10 (254)
10 (254)Unlimited A 14 15/32’’ (12 mm)
Exposure 1 PlywoodOptional: 1 base layer ASTM D1970 Diamond/Beaver Shake 5 (127) Unlimited 8 15/32’’ (12 mm)
Exposure 1 Plywood2 layers MB Technology Layfast TU35 lbs SBS Davinci Slate
Davinci Shake
Select Shake7 (178)
10 (254)
10 (254)Unlimited A 9 15/32’’ (12 mm)
Exposure 1 Plywood1 layer MB Technology Layfast TU35 lbs SBS Fancy Shake
Diamond/Beaver Shake8 (203)
5 (127)Unlimited A 10 15/32’’ (12 mm)
Exposure 1 Plywood1 layer Grace Ice/Water Shield 200
+ 1 layer Soprema Self-Adhered Cap SheetFancy Shake
Diamond/Beaver Shake7 (178)
5 (127)Unlimited A 11 7/16’’ (11 mm)
Exposure 1 OSB1 layer Eco Chief Solarhide™
Optional: 1 base layer ASTM D1970Davinci Slate 8 (203) Unlimited A 12 7/16’’ (11 mm)
Exposure 1 OSB2 layers PolyGlass Polystick XFR Davinci Slate
Davinci Shake
Select Shake8 (203)
10 (254)
10 (254)Unlimited A Impact Rated Assemblies
Substrate
Approved Underlayment
Approved Roof Coverings
Installation Guidelines
Hail-Impact Classification1
Minimum 15/32-inch-thick plywood
Unrestricted
Shake
Slate
Select Shake
Fancy Shake
Diamond/Beaver Shake
Province Slate
Inspire Classic A & C
See Sections 2.2. 4.1, 4.2 and 4.3
Class IV
(Class 4)
Note 1: Hail-impact classification determined in accordance with UL 2218.
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Note 1: Underlayment and Asphalt Shingles are listed Class A components of a listed roof deck assembly by an Approved Agency. The third-party program in which products are certified, carry a label, and are listed in the directory of a recognized accreditation body. These underlayment and asphalt shingle components are to meet Class A Classification when tested to ASTM E108, UL 790 or CAN/ULC S107.
Note 2: Underlayment and Asphalt Shingle components are to be installed in accordance with the manufacturer’s published installation instructions.
Note 3: These products are listed and labeled under QAI’s certification program. -
QAI maintains ISO/IEC 17065 accreditations via the International Accreditation Service (IAS) for the United States and Canada. Typically, certifications under this accreditation do not require the Seal of a Professional Engineer in order to be accepted by the authority having jurisdiction. Should a Professional Engineer Seal be needed, please select from the highlighted States / Provinces that are available for this specific manufacturer’s file. If a specific State / Province is not available, you may email info@qai.org to request if a sealed document is available for that jurisdiction.
The materials, products or systems listed in this directory have been qualified to bear the QAI Listing Mark under the conditions stated with each Listing. Only those products bearing the QAI Listing Mark are considered to be listed by QAI.
The standard herein listed is the currently accepted version within the relevant certification scheme, code or other requirements unless otherwise noted. Transition periods may apply. Upon request, QAI will provide information about the validity of any of its certifications.
No warrantee is expressed or implied, and no guarantee is provided that any jurisdictional authority will accept the Listing found herein. The appropriate authorities should be contacted regarding the acceptability of any given Listing.
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