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. Ed. 8
- June 31, 2012
- March 15, 2024
- N/A
-
ASTM E108
Standard Test Methods for Fire Tests of Roof Coverings.
UL 790
Standard Test Methods for Fire Tests of Roof Coverings.
CAN/ULC S107
Standard Methods of Fire Tests of Roof Coverings.
UL 2218
Impact Resistance of Prepared Roof Covering Materials. -
Westlake DaVinci Roofscapes composite roof coverings are polymeric products available in the following models:
•DaVinci Shake
•DaVinci Slate
•Select Shake
•Bellaforte Shake
•Bellaforte Slate
•DaVinci Single-Width Shake
•DaVinci Single-Width Slate
•Diamond Shake
•Fancy Shake
•Province Slate -
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:
-
The following outlines roof-fire classified assemblies determined in accordance with ASTM E108, UL 790, CAN/ULC S107 and UL 2218:
Assembly 1:
Class C Roofing Applications: Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 15/32’’ (12mm) Exposure 1
Plywood
Approved Underlayment1,2
DaVinci Shake
DaVinci Slate
Bellaforte Shake
Bellaforte Slate
DaVinci Single-Width Shake
DaVinci Single-Width Slate
Select Shake
Province Slate
10
8
12
12
10
8
10
8
Assembly 2:
Class A Re-Roofing Applications: Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 15/32’’ (12mm) Exposure 1
Plywood
Approved Underlayment1,2
Approved Class A Asphalt Shingle1 Covered with:
DaVinci Shake
DaVinci Slate
Bellaforte Shake
Bellaforte Slate
DaVinci Single-Width Shake
DaVinci Single-Width Slate
Select Shake
Province Slate
10
8
12
12
10
8
10
8
Assembly 3:
Class A Roofing Applications: Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 15/32’’ (12mm) Exposure 1
Plywood
1 layer of 30 lbs ASTM D226 asphalt felt1,2 and 1 layer minimum 0.1 inches thickness 0.66 lbs/ft2 ASTM D3909 compliant cap stock with joints offset a minimum 6 inches.
Bellaforte Shake
Bellaforte Slate
Province Slate
12
12
8
Assembly 4:
Class A Roofing Applications: Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 15/32’’ (12mm) Exposure 1
Plywood
1 layer of Fontana VulcaSeal G401,2
DaVinci Shake
DaVinci Single-Width Shake
Select Shake
10
10
10
Assembly 5:
Class A Roofing Applications: Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 15/32’’ (12mm) Exposure 1
Plywood
1 layer of 30 lbs ASTM D226 asphalt felt1,2 over substrate
DaVinci Slate
DaVinci Single-Width Slate
6
6
Assembly 6:
Class A Roofing Applications: Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 15/32’’ (12mm) Exposure 1
Plywood
1 layer ELK VersaShield™1,2
DaVinci Shake
DaVinci Slate
DaVinci Single-Width Shake
DaVinci Single-Width Slate
Select Shake
10
8
10
8
10
Assembly 7:
Class A Roofing Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 15/32’’ (12mm) Exposure 1
Plywood
1 Layer of Eco Chief SOLARHIDE™1,2
Optional
1 Base Layer of ASTM D1970 peel-and-stick underlayment.
DaVinci Shake
DaVinci Slate
Bellaforte Shake
Bellaforte Slate
DaVinci Single-Width Shake
DaVinci Single-Width Slate
Select Shake
Province Slate
10
8
12
12
10
8
10
8
Assembly 8:
Class A Roofing Applications, Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 15/32’’ (12mm) Exposure 1
Plywood
2 layers of Fontana VulcaSeal G401,2 with joints offset a minimum of 6 inches.
DaVinci Slate
DaVinci Single-Width Slate
Bellaforte Shake
Bellaforte Slate
Province Slate
7.5
7.5
12
12
8
Assembly 9:
Class A Roofing Applications: Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 15/32’’ (12mm) Exposure 1
Plywood
1 layer of MB Technology 35 lbs SBS1,2
Fancy Shake
Diamond Shake
8
5
Assembly 10:
Class A Roofing Applications: Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 15/32’’ (12mm) Exposure 1
Plywood
1 layer of Grace Ice/Water Shield 200 with 1 layer Soprema Self-Adhered Cap Sheet1,2 with joints offset a minimum 6 inches.
Fancy Shake
Diamond Shake
7
5
Assembly 11:
Class A Roofing Applications: Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 15/32’’ (12mm) Exposure 1
Plywood
2 layer of MB Technology 35 lbs SBS1,2 with joints offset a minimum 6 inches.
Davinci Shake
DaVinci Single-Width Shake
Select Shake
10
10
10
Assembly 12:
Class A Roofing Applications: Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 7/16’’ (11 mm) Exposure 1
Oriented Strandboard (OSB)
1 Layer of Eco Chief SOLARHIDE™1,2
Optional
1 Base Layer of ASTM D1970 peel-and-stick underlayment.
DaVinci Slate
DaVinci Single-Width Slate
8
8
Assembly 13:
Class A Roofing Applications: Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 7/16’’ (11 mm) Exposure 1
Oriented Strandboard (OSB)
2 layers of Polystick XFR1,2 with joints offset minimum 6 inches.
DaVinci Shake
DaVinci Slate
DaVinci Single-Width Shake
DaVinci Single-Width Slate
10
8
10
8
Assembly 14:
Class B Roofing Applications: Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 7/16’’ (11 mm) Exposure 1
Oriented Strandboard (OSB)
1 Layer of Eco Chief SOLARHIDE™1,2
Optional
1 Base Layer of ASTM D1970 peel-and-stick underlayment.
DaVinci Shake
DaVinci Slate
Bellaforte Shake
Bellaforte Slate
Fancy Shake
Diamond Shake
DaVinci Single-Width Shake
DaVinci Single-Width Slate
Select Shake
Province Slate
10
8
12
12
8
5
10
8
10
8
Assembly 16:
Impact Resistant (Class 4) Applications: Unlimited Slope
SHEATHING
UNDERLAYMENT
APPROVED ROOF COVERING(s)3
Maximum Exposure (inches)
Minimum 15/32’’ (12 mm) Exposure 1
Plywood
Unrestricted
DaVinci Shake
DaVinci Slate
Bellaforte Shake
Bellaforte Slate
Fancy Shake
Diamond Shake
DaVinci Single-Width Shake
DaVinci Single-Width Slate3
Select Shake
Province Slate
10
8
12
12
8
5
10
8
10
8
-
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.
USA 
Canada 
Europe 
China 
S Korea