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:
Roof Fire Classified Assemblies
SYSTEM NUMBER
MINIMUM SHEATHING2
APPROVED UNDERLAYMENT3,4
APPROVED5 COVERING(s)
MAXIMUM EXPOSURE (in) (mm)
MAXIMUM SLOPE
CLASS
1
15/32’’ (12 mm) Exposure 1 Plywood
Any Approved Underlayment
Davinci Slate
Davinci Shake
Select Shake
Province Slate
Inspire Classic A or C
8 (203)
10 (254)
10 (254)
8 (203)
7.5 (191)
Unlimited
C
2
15/32’’ (12 mm) Exposure 1 Plywood
1 layer Eco Chief Solarhide™
Optional, 1 base layer of ASTM D1970 peel-and-stick
Davinci Slate
Davinci Shake
Select Shake
Province Slate
Inspire Classic A
8 (203)
10 (254)
10 (254)
8 (203)
7.5 (191)
Unlimited
A
3
15/32’’ (12 mm) Exposure 1 Plywood
1 layer 30 lbs ASTM D226 Type II felt covered with 1 layer 0.1’’ (2.5 mm) thickness ASTM D3909 capstock
Optional, 1 base layer of ASTM D1970 peel-and-stick
Davinci Slate
Davinci Shake
Select Shake
Province Slate
8 (203)
10 (254)
10 (254)
8 (203)
7.5 (191)
Unlimited
A
4
15/32’’ (12 mm) Exposure 1 Plywood
2 layers Fontana VulcaSeal G40
Davinci Slate
Davinci Shake
Select Shake
Province Slate
8 (203)
10 (254)
10 (254)
8 (203)
7.5 (191)
Unlimited
A
5
15/32’’ (12 mm) Exposure 1 Plywood
1 layer ELK VersaShield™
Optional, 1 base layer of ASTM D1970 peel-and-stick
Davinci Slate
Davinci Shake
Select Shake
8 (203)
10 (254)
10 (254)
Unlimited
A
6
15/32’’ (12 mm) Exposure 1 Plywood
1 layer of 30 lbs (13.6 kg) ASTM D226 Type II or 2 layers of 15 lbs (6.8 kg) ASTM D226 Type I felt
Optional, 1 base layer of ASTM D1970 peel-and-stick
Davinci Slate
6 (152)
Unlimited
A
7
15/32’’ (12 mm) Exposure 1 Plywood
1 layer Fontana VulcaSeal G40
Davinci Slate
Davinci Shake
Select Shake
8 (203)
10 (254)
10 (254)
Unlimited
A
14
15/32’’ (12 mm) Exposure 1 Plywood
Optional, 1 base layer of ASTM D1970 peel-and-stick
Diamond/Beaver Shake
5 (127)
Unlimited
8
15/32’’ (12 mm) Exposure 1 Plywood
2 layers of MB Technology Layfast TU35 lbs SBS
Davinci Slate
Davinci Shake
Select Shake
7 (178)
10 (254)
10 (254)
Unlimited
A
9
15/32’’ (12 mm) Exposure 1 Plywood
1 layers of MB Technology Layfast TU35 lbs SBS
Fancy Shake
Diamond/Beaver Shake
8 (203)
5 (127)
Unlimited
A
10
15/32’’ (12 mm) Exposure 1 Plywood
1 layer of Grace Ice/Water Shield 200 with
1 layer Soprema Self-Adhered Cap Sheet
Fancy Shake
Diamond/Beaver Shake
7 (178)
5 (127)
Unlimited
A
11
7/16’’ (11 mm) Exposure 1 Oriented Strand Board (OSB)
1 layer Eco Chief Solarhide™
Optional, 1 base layer of ASTM D1970 peel-and-stick
Davinci Slate
8 (203)
Unlimited
A
12
7/16’’ (11 mm) Exposure 1 OSB
2 layers of PolyGlass Polystick XFR
Davinci Slate
Davinci Shake
Select Shake
8 (203)
10 (254)
10 (254)
Unlimited
A
13
7/16’’ (11 mm) Exposure 1 OSB
1 layer Eco Chief Solarhide™
Optional, 1 base layer of ASTM D1970 peel-and-stick
Davinci Slate
Davinci Shake
Select Shake
Province Slate
Inspire Classic A
8 (203)
10 (254)
10 (254)
8 (203)
7.5 (191)
Unlimited
B
14
15/32’’ (12 mm) Exposure 1 Plywood
2 layers 30 lbs (13.6 kg) ASTM D226 Type II felt
Davinci Slate
Davinci Shake
Select Shake
Province Slate
8 (203)
10 (254)
10 (254)
8 (203)
7.5 (191)
Unlimited
B
1. Assemblies referenced are outlined in QAI certification file B1050-1 / CERus-1049 for Westlake DaVinci, Roofscapes, LLC. For the most up to date roof-fire classified assemblies.
2. Wood structural panels noted are to comply with the applicable code specifications for use as wood roof sheathing for product wood sheathing type.
3. Underlayment is to comply with the applicable code and / or product type shown, bearing the mark of an accredited certification body for compliance to the applicable code.
4. Installation of underlayment to sheathing is to comply with the applicable manufacturer installation instructions and the applicable code, including overlapping end lap minimums.
5. Product sub-models included within each respective listing: Where Davinci Slate is named, it allows for all Single-width and multi-width installations. Where Davinci Shake is named, it allows for all Single-width and multi-width installations, and, for Fancy Shake at maximum 8” exposure, or Fancy Diamond or Fancy Beaver Tail at maximum 5” exposure.
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.
Visit the QAI Online Listing Directory located at www.qai.org for the most up to date version of this Listing and to validate that this QAI Listing is active. Questions regarding this listing may be directed to info@qai.org. Please include the listing number in the request.
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