Wilsonart 5005 Sierra Cascade High-Pressure Laminate Sheets, Warm Grey Limestone, Multiple Sizes and Grades

Wilsonart Sierra Cascade is a warm grey limestone-look laminate with linear directional features in shades of grey with hints of caramel. This design is offered in 21 variants across Fine Velvet and Matte finishes, in Standard, Vertical, Postform, Chemsurf and Compact grades, in sizes from 30 in. x 96 in. up to 60 in. x 144 in. Choose a sheet for countertops, cabinet interiors, walls or self-supporting compact panels.

Key Features:

• Warm grey limestone: Sierra Cascade shows a limestone look in warm grey with directional features and hints of caramel.
• Five grade options: Variants are listed in 107 Standard, 335 Vertical, 350 Postform, 390 Chemsurf and 568 Compact HPL grades.
• Two finishes: Choose 38 Fine Velvet Finish or 60 Matte Finish depending on sheen and touch.
• Ten sheet sizes: Sizes range from 30 in. x 96 in. to 60 in. x 144 in., plus a 1/2 in. x 48 in. x 120 in. compact panel.
• Chemical-resistant option: The 390 Chemsurf grade is intended for laboratory and other chemically demanding horizontal surfaces.
• Self-supporting compact: The 568 Compact HPL panel in 1/2 in. thickness can be used without a substrate.
• Special order: If not in stock locally, allow approximately a 2-week lead time; 24-hour window to cancel.

Specifications Table:

Coverage & How Much You Need:

Coverage depends on the size chosen: a 60 in. x 144 in. sheet covers 60 sq. ft., a 48 in. x 96 in. sheet covers 32 sq. ft., and a 30 in. x 96 in. sheet covers 20 sq. ft. Add 1-2 in. trimming allowance per edge and align the 37 in. x 37 in. design repeat across seams.

Fit and Compatibility:

Standard, Vertical and Postform grades bond to particleboard or MDF with contact adhesive and want a backer sheet on the reverse. The 1/2 in. Compact panel is self-supporting and can be mechanically fastened or edge-banded without a substrate. Chemsurf is intended for lab and comparable surfaces.

Frequently Asked Questions (FAQ):

Q: What is included?
A: One laminate sheet in the finish, grade and size you select; there are 21 variants of this design. Adhesive, substrate and backer sheets are sold separately.

Q: Which grade for a kitchen countertop?
A: Choose 350 Postform HPL for a rolled front edge or 107 Standard HPL for a square-edge top.

Q: Which grade for cabinet sides or walls?
A: The 335 Vertical grade is made for vertical surfaces such as cabinet ends, door faces and wall panels.

Q: What is Chemsurf grade?
A: The 390 Chemsurf grade is a chemical-resistant HPL intended for laboratory worktops and similar environments.

Q: Does the compact panel need a substrate?
A: No, the 1/2 in. 568 Compact HPL is self-supporting, though seams and edges should be finished properly.

Q: How long is the lead time?
A: This is a special order; allow approximately 2 weeks if not in stock locally, with a 24-hour cancellation window.

Expert Verdict — Reviewed by the SuperArbor Pro Desk

This is a directional stone design, so book-match or grain-match pieces across a multi-piece job and check the 37 in. repeat before cutting. For countertop work, postform grade on a well-built particleboard core with a balanced backer gives the best long-term flatness. Pick vertical grade for tall runs to save cost, and compact only where a self-supporting 1/2 in. panel is genuinely needed; large compact panels are heavy and need two people to handle.

Sheets and compact panels have sharp edges and are heavy; use gloves, eye protection and two-person handling when moving, cutting and routing.

Select your Sierra Cascade size, finish and grade today and build a warm grey limestone surface that fits your project.