Wilsonart D91 Slate Grey High-Pressure Laminate Sheet, Fire-Rated, Vertical and Compact Grades, Multiple Sizes

Wilsonart D91 Slate Grey is a solid dark grey high-pressure laminate design offered as standard, vertical, postforming, compact, chemical-resistant, fire-rated and RE-COVER vertical grades in sizes from 30 in. x 96 in. up to 60 in. x 144 in. Each order unit is one laminate sheet in your selected finish, grade and size. Pair it with matching edgebanding or a Wilsonart backing sheet for balanced construction.

Key Features:

• Solid grey color: D91 Slate Grey is a solid dark grey color laminate design suited to modern cabinet and countertop work.
• Many grade options: The design is offered in 12 grades including 107 Standard HPL, 335 Vertical HPL, 350 Postform HPL, 390 Chemsurf HPL, 568 Compact HPL and fire-rated vertical, postform and standard variants.
• Three finishes: Choose 38 Fine Velvet Finish, 60 Matte Finish or 60 Matte Finish + Film depending on sheen and handling preference.
• Wide size range: Sheet sizes run from 30 in. x 96 in. through 60 in. x 144 in., with compact panels in 1/2 in. thickness.
• Chemical-resistant option: The 390 Chemsurf HPL grade is intended for surfaces that contact laboratory and harsh chemicals.
• Fire-rated choices: Fire-rated grades 604, 605, 607, 668 and 675 are listed for interiors where code-required laminate is specified.
• Postforming grades: 350 Postform HPL and 350 Postform High Wear HPL are formulated for rolled-edge countertop fabrication.

Specifications Table:

Coverage & How Much You Need:

One sheet covers its stated dimensions; for example a 48 in. x 96 in. sheet yields 32 sq. ft. of surface coverage before trimming. Size your order by laying out the countertop or panel parts to minimize waste and seams.

Fit and Compatibility:

All variants are part of the Wilsonart D91 Slate Grey design, so finishes and grades can be mixed within a project, though sheen may vary slightly between finish codes. Substrate, adhesives, edgebanding and backer sheets are sold separately.

Frequently Asked Questions (FAQ):

Q: What is included in one order?
A: One laminate sheet or compact panel in the finish, grade and size you select.

Q: Which grade should I use for a countertop?
A: Use 107 Standard HPL for flat horizontal surfaces, or 350 Postform HPL when the edge will be rolled on a postforming machine.

Q: When do I need the compact grade?
A: The 568 Compact HPL, 1/2 in. thick, is used for self-supporting panels such as partitions and worktops without a substrate.

Q: Which grade is right for cabinet ends?
A: The 335 Vertical HPL grade is intended for vertical surfaces such as cabinet sides and wall panels.

Q: Do I need a backer sheet?
A: Applying a laminate backer to the underside of the substrate helps balance the panel and reduce warping; backers are ordered separately.

Q: Is fire-rated laminate available in this design?
A: Yes, 604, 605, 607, 668 and 675 fire-rated grades are listed, with 675 offered in 60 in. x 96 in., 60 in. x 120 in. and 60 in. x 144 in. in matte finish.

Expert Verdict — Reviewed by the SuperArbor Pro Desk

For typical countertop work, spec 107 Standard HPL on a 3/4 in. particleboard or MDF core with contact adhesive, and use 350 Postform HPL if you will roll the front edge. Order a balancing backer sheet to keep large panels flat, and let sheets acclimate in the shop before bonding. Move 60 in. x 144 in. sheets with two people and a flat cart to avoid cracking; pick the compact 1/2 in. grade only where a self-supporting panel is genuinely needed.

Cut laminate edges are sharp and cutting produces fine dust, so wear cut-resistant gloves, eye protection and a dust mask when cutting and routing.

Order Wilsonart D91 Slate Grey laminate in the finish, grade and sheet size your job calls for.