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DaVinci Slate
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Natural Slate
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Other Synthetic Slates
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Beauty
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Authentic Look
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Yes
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Yes
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No – Single width shingles and/or limited color
lines look ‘fake’ by comparison.
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½" Thickness
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Yes
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Yes - ½" slates are used for the most
expensive installations.
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Yes
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5 Widths
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Yes
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Yes (sometimes more)
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No - 1 is typical; 3 at most.
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Pre-mixed Color Blends
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Yes - Each blend is composed with assured proportions in
each bundle.
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No - Requires sorting and blending at the jobsite.
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No - Requires sorting and blending at the job site.
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Labor
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Lightweight
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Yes
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No
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Yes
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Factory-collated Color Blends
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Yes - Each bundle is composed of authentic slate colors
arranged in an authentic slate blend.
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No - Requires jobsite sorting & blending of colors.
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No - Requires jobsite sorting & blending of colors.
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Factory-collated Widths
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Yes - Each bundle is composed of 5 slate shingle widths
factory-collated for each installation.
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No - Requires jobsite blending of widths |
No -Requires job site sorting/blending of colors.
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Estimated Waste in Installation
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Low - Only in Valleys.
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High - Slate with hairline cracks or those broken during
installation must be discarded as much as 15%.
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High – Other Synthetics do not have multiple widths
creating more cutting and waste at edges and walls.
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Performance
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Fire Retardance: Class A
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Yes - With standard underlayments.
ASTM E 108
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Yes - With standard underlayments.
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Yes - But only with specialty underlayments.
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Wind Resistance: 110 mph
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Yes
ASTM D 3161
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Yes
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70 - 110 mpg
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Impact Resistance: Class 4
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Yes
UL 2218
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Yes - for ½" thick slates. No - for 3/16"
slates.
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Yes
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Freeze/Thaw Resistant
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Yes
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Mostly - May spall in Alpine regions.
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Yes - for polymeric materials. No - for fibrous cement
materials.
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Maintenance Free
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Yes
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No - Requires inspection and repair throughout its life
cycle.
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Yes
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Color-fast
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Yes
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Yes
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Depends on Manufacturer
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