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Composite (plastic) Slate Roofing

Composite Slate Roofing offers the benefits of slate without the many shortcomings. Unlike quarried slate, which usually requires an engineered roof framing system (structural support) because of its weight, Composite Slate Roofing has the aesthetic appeal of slate roofing without the enormous weight. Composite Slate is cast from real slate roofing and the variety of solid and multi colours replicate quarried slate, providing a classic, architectural realistic appearance.

Benefits of Composite Slate Roofing.

  • Has a natural look of authentic stone slate tiles
  • Easy to install and little to no breakage
  • Maintenance free
  • Lightweight design (Savings in construction cost)
  • Structurally designed roof line with a 50 year conditional manufacturer warranty
  • Class A or C Fire Rating, along with the Class 4 Impact Ratings
 

Composite Slate Roofing Specifications

Composite Slate roofing can be installed in a staggered application and at two different exposures. This will allow you to choose the look you want.

Profile

Slate - Class A
Cavity back

Slate - Class C
Cavity back

Exposure

7.5"

6.5"

7.5"

6.5"

Weight/Piece (lb.)

1.8 ± 0.2

1.6 ± 0.2

1.6 ± 0.2

1.6 ± 0.2

Pieces/Square

152

175

152

175

Lb./Square

274

315

244

280

Height

18" ± ⅛"

18" ± ⅛"

18" ± ⅛"

18" ± ⅛"

Width

12 ⅛" ± ⅛"

12 ⅛" ± ⅛"

12 ⅛" ± ⅛"

12 ⅛" ± ⅛"

Pieces/Bundle

10

10

10

10

Bundles/Square

15.2

15.2

15.2

15.2

Squares/Pallet

6.3

5.4

7.8

6.8

Fire Rating

Class A

Class A

Class C

Class C

Impact Rating

Class 4

Class 4

Class 4

Class 4

Composite Slate Roofing Accessories

Starter: 10.5" Length x 12⅛" ± ⅛" Width

Starters will provide the proper cant at the eave line for the first row of slate.

Hip & Ridge: 16" Length x 6" x 5-5/8" Width

The hip/ridge trim allows for a professional finish for a beautiful roof. At least a three inch overlap is required for installation.

Solid Tile Accessory: 18" ± ⅛" Length x 12⅛" ± ⅛" Width

Solid tile accessories provide the authentic appearance of slate at the gables, and assists in the installation of open valleys which can be labor intensive when using other composites with a honeycomb core.

Composite Slate Roofing Testing

Composite Slate has passed the stringent testing required for premier roofing products. The chart below shows the important ratings of Class 4 impact and Class A and C fire. These are the highest ratings in the industry.

Testing Performed

Standard Met

Slate - Class A

Slate - Class C

Weatherometer

ASTM G 26

Pass

Pass

Fire Resistance

UBC 15-2; ASTM E 108; or UL 790

Class A

Class C

Impact Resistance

UL 2218

Class 4

Class 4

Wind Resistance

ASTM D 3161;

Pass

 

Wind-driven Rain

Dade County 100-95

(90 mph)

 

Uplift Bend

ICC-ES AC07, Section 4.4

Pass

 

Temperature-Cycling

ICC-ES AC07, Section 4.9

Pass

 

Penetration

ICC-ES AC07, Section 4.5

Pass