Wilsonart 4980K Portoro High-Pressure Laminate Sheet 30 x 96 to 60 x 144 in. Antique Finish Stone Look

Wilsonart 4980 Portoro is a large-scale stone-look high-pressure laminate with dramatic gold, grey and white movement across a black background. This page lists the full Portoro design in Antique Finish, offered in Postform and Vertical HPL grades and six sheet sizes from 30 in. x 96 in. up to 60 in. x 144 in. Order one sheet per sell unit and bond it to a suitable substrate with contact adhesive.

Key Features:

• Dramatic stone look: A large-scale stone design with dramatic gold, grey and white movement across a black background.
• Large design repeat: Approximate design repeat is 51 in. wide by 60 in. long, so plan seams around the pattern.
• Postforming grade: 350 Postform HPL is made for countertops with rolled edges on a postforming line.
• Vertical grade option: 335 Vertical HPL suits cabinet sides, backsplashes and other vertical surfaces.
• Six sheet sizes: Available in 30 in. x 96 in., 30 in. x 144 in., 48 in. x 96 in., 60 in. x 96 in., 60 in. x 120 in. and 60 in. x 144 in.
• Antique Finish: All variants on this page come in 22 Antique Finish.

Specifications Table:

Coverage & How Much You Need:

One sheet covers its full listed dimension; a 60 in. x 144 in. sheet yields roughly 60 sq. ft. before trimming waste. Size your job by laying out countertop runs and vertical panels against the sheet direction and the 51 in. x 60 in. pattern repeat.

Fit and Compatibility:

Bonds to particleboard, MDF or plywood substrates using contact adhesive; pairs with matching Wilsonart backer sheets on underside surfaces. Vertical grade is not recommended for postformed edges, and Postform grade should be used where edges are rolled.

Frequently Asked Questions (FAQ):

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

Q: Which sheet size should I choose?
A: Choose a sheet larger than your cut layout; 60 in. widths suit standard 25-1/2 in. deep countertop runs, while 30 in. widths work for islands, bars and vertical panels.

Q: How is this laminate installed?
A: Cut to size, then bond to a dimensionally stable substrate such as particleboard or MDF with contact adhesive, rolling the surface thoroughly.

Q: What is the difference between the grades?
A: 350 Postform HPL is for countertops with rolled edges; 335 Vertical HPL is a lighter-grade sheet for cabinet sides and wall surfaces.

Q: What if the sheet is not in stock locally?
A: This is a special-order design; allow approximately a 2-week lead time, and note there is a 24-hour window to cancel a special-order laminate.

Q: Do I need a backer sheet?
A: A balancing backer laminate on the underside of the substrate helps prevent warping and is standard practice in countertop work.

Expert Verdict — Reviewed by the SuperArbor Pro Desk

Portoro is a bold, large-scale pattern with a 51 in. x 60 in. repeat, so dry-lay your seam layout before cutting to keep the veining aligned across joints. Use Postform grade on jobs with rolled edges and Vertical grade for cabinet ends and backsplashes. Always pair a decorative face with a balancing backer on particleboard or MDF to keep the panel flat, and handle full 60 in. x 144 in. sheets with two people.

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

Order Wilsonart Portoro high-pressure laminate in the grade and sheet size your project needs.