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 -
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
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