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Grand Slate

"With massive, oversized tabs and an extra-thick dimensional appearance, Grand Slate™ shingles can hardly be distinguished from real slate—except by the price!"


For Homeowners

  • The Authentic Look Of Slate...
    Massive, extra-thick tabs and specially-blended color palette create the look of real slate shingles
  • Enhanced Shadow Effect...
    Creates an even thicker, more dimensional look
  • Affordable Luxury...
    Only a fraction of the cost of expensive slate
  • Super-Heavyweight “PLUS” Construction...
    For ultimate durability (in fact, each layer of Grand Slate™ shingles is up to 60% thicker than each layer of many other “premium” asphalt shingles)
  • High Performance...
    Custom specified, ultra-high performance Micro Weave® core provides better protection layer for layer
  • Safer...
    Class A fire listing from Underwriters Laboratories—the highest rating possible (unlike some plastic or synthetic “slate” shingles, which carry only a Class C fire rating)
  • StainGuard® Protection...
    Helps assure the beauty of your roof against unsightly blue-green algae*
  • Stays In Place...
    Double row of Dura Grip® adhesive seals each shingle tightly and reduces the risk of shingle blow-off. Shingles warranted to withstand winds up to 110 mph!*
  • Peace Of Mind...
    Lifetime ltd. transferable warranty with Smart Choice® Protection for the first ten years (non-prorated material and installation coverage)*
  • Perfect Finishing Touch...
    Distinctive Timbertex® Ridge Cap Shingles with StainGuard® protection lend the perfect finishing touch

For Professionals

  • Quicker Installation...
    Large, 17"x 40" size saves labor, allowing you to offer superior value and greater homeowner satisfaction
  • More Referrals...
    Unique and distinctive design that other homeowners will notice!
  • Less Chance Of Call-Backs...
    When tested, shingle withstands winds up to 110 mph (under controlled laboratory conditions)
  • Greater Customer Satisfaction...
    StainGuard® helps assure the beauty of your roof against unsightly blue-green algae*

*See ltd. warranty for complete coverage and restrictions

Application Instructions

Grand Slate™ Shingles- Application Instructions

If you do not have the "Plug-in" for your browser, click the button to download the reader, Free! Metric Size Shingles

Grand Slate™ Specifications

  • Super Heavyweight “PLUS” design
  • Fiberglass Asphalt Construction
  • StainGuard® Protection
  • Lifetime Ltd. Transferable Warranty*
  • 10 Yr. Smart Choice® Protection
  • 110 mph Ltd. Wind Warranty
  • Listed Class A Fire–UL 790
  • Dade County Approved
  • Passes UL 997 Wind Test
  • Passes 110 mph Wind Test
  • Passes ASTM D7158, Class H
  • ASTM D3161 Type 1
  • ASTM D3018 Type 1
  • ASTM D3462**
  • CSA A123.5-98
  • Florida Building Code Approved
  • Texas Department of Insurance
  • ICC Report Pending
  • 17”x 40” size
  • Approx. 48 Pieces/Square
  • Approx. 6 Bundles/Square
  • Approx. 192 Nails/Square
  • 7 1/2” Exposure



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Note: It is difficult to reproduce the color clarity and actual color blends of these products. Before selecting your color, please ask to see several full-size shingles.

Ridge Cap Specifications

  • StainGuard® Protection
  • Listed Class A Fire–UL 790
  • Dade County Approved
  • Passes UL 997 modified to 110 mph
  • ASTM D3462**
  • 20 Linear Ft. of Coverage per Bundle
  • 30 Pieces/Bundle
  • 2 Nails Per Piece (Approx.)
  • 8” Exposure
  • 5 Bundles per 100 Linear Ft. of Coverage

*See ltd. warranty for complete coverage and restrictions

**This product is manufactured to meet or exceed ASTM D3462; values from subsequent testing may vary depending on storage conditions


The many layers of a
Grand Slate™ Shingle


Diamond Cut™ Granules...
Multi-faceted design and light-reflective construction add dimension and depth to the shingle

UV Blocker (Granules)...
Protects against damaging sunlight which improves the durability and extends the life of the shingle

Color Lock™ Ceramic Firing (Granules)...
Maintains the true color of the shingle longer

Dura Grip® Adhesive...
Locks the shingles in place on the roof, gripping tight even in strong gale-force winds

SpecSelect Grading System (Asphalt)...
Use of finest quality asphalt improves weathering in harsh conditions

Micro Weave® Core...
Offers a superior strength foundation that resists cracking and splitting

FiberTech® Components (Core)...
Incorporates fibers that are non-combustible, providing a UL Class A fire rating