Westlake DaVinci Roofscapes, LLC
Building Products Listing Program
- Westlake DaVinci Roofscapes, LLC
- Plastic Siding
- 13890 West 101 Street, Lexana, KS 66215
- October 29, 2019
- June 13, 2022
ASTM D7254 Standard Specification for Polypropylene (PP) Siding.
ASTM D5206 Standard Test Method for Windload Resistance of Rigid Plastic Siding.
TAS 202 Criteria for Testing Impact & Non Impact Resistant Building Envelope Components Using Uniform Static Air Pressure.
TAS 203 Criteria for Testing Products Subject to Cyclic Wind Pressure Loading.
DaVinci Handsplit Shake, Polymeric Exterior Cladding Products
DaVinci Handsplit Shake product details are outlined in the table below:
PRODUCT WIDTHS THICKNESS LENGTHS EXPOSURE Hand Split Shake 8″, 10″ Head End: 1/4 inch Butt End: 5/8 inches 18″ 6″ – 8″
Products are marked in a permanent manner on the backside of each panel with the following:
a) Company Name: DaVinci Rooscapes, LLC
b) Product Name: Handsplit Shake.
c) Date of Manufacture.
d) QAI logo shown here:
DaVinci Hand Split Shake complies with performance requirements as outlined in ASTM D7254, with wind pressure resistance ratings as outlined in tables found in this listing.
DaVinci Hand Split Shake has the following allowable design pressures for the wall assemblies detailed, determined in accordance with ASTM D5206:
ASSEMBLY MAXIMUM EXPOSURE FASTNER DETAILS MINIMUM SHEATHING DESIGN PRESSURE1 1 8 inches 2 – 6D Common Nail per Shake, Minimum 2-inches length 15/32 inches thickness PS 2 Exposure Rated Plywood 60 psf 2 8 inches 2 – 6D Common Nail per Shake, Minimum 2-inches length 7/16 inches thickness PS 2 rated Oriented Strandboard (OSB) 45 psf 3 8 inches 2 – Ring Shank Roofing Nails per Shake – Minimum 1-1/4 inch length 15/32 inches thickness PS 2 Exposure Rated Plywood 105 psf
1: Design pressure is determined following methodology outlined in ASTM D7254,based on maximum sustained static pressure achieved during testing, with an applied pressure equalization factor of 1 and factor of safety of 2 applied.
DaVinci Handsplit Shake has the following allowable design pressures for the wall assemblies detailed, determined in accordance with TAS 202 / TAS 203 for use in high velocity hurricane zones:
ASSEMBLY MAXIMUM EXPOSURE FASTNER DETAILS MINIMUM SHEATHING DESIGN PRESSURE2 3 8 inches 2 – Ring Shank Roofing Nails per Shake – Minimum 1-3/4 inches length 15/32 inches thickness PS 2 Exposure Rated Plywood 90 psf
2: TAS 201 missile impact not conducted as DaVinci Handsplit Shake is intended for installation over 5/8 inch thickness sheathing.
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.
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