James Hardie Smooth Plank Primed 5/16″ x 6-1/4″ x 12′

The James Hardie Smooth Plank Primed 5/16″ x 6-1/4″ x 12′ is a fiber cement for jobs that require James Hardie model/MPN 215603 in the PC sell unit. It’s Possible with James Hardie Endless design possibilities, lasting beauty, and trusted protection from the elements.

Key Specs

• Brand: James Hardie
• Model / MPN: 215603
• SKU: HP6SMPR
• Sell unit: PC
• Product type: Fiber Cement
• Size / color: 5/16″ x 8-1/4″ x 12′
• Category: Siding | Siding/Fiber Cement

Key Features

• Factory primed using a primer with a yellow hue-paint within 180 days following install with an acrylic exterior house paint
• Our natural cedar look has a soft texture that mimics wood
• Durable fiber Cement Siding engineered specifically for use with intense sunlight, hot and humid weather, and hurricane force winds
• Complies with ASTM E136 and is noncombustible, resists flame spread making for a safer home
• Resists damage from woodpeckers, termites, and other pests

Coverage & How Much You Need

Coverage or yield is not specified in the available product details. Use the manufacturer installation instructions and project takeoff before converting the job size into order quantity.

Compatibility / Fitment

Use this item only when the brand, model/MPN, size/color, sell unit, and system type match the project specification. Do not substitute it for a different fiber cement, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

James Hardie Smooth Plank Primed 5/16″ x 6-1/4″ x 12′, sold as PC, with SKU HP6SMPR and manufacturer model/MPN 215603.

What model or part number should I match?

Match model/MPN 215603 and confirm the brand is James Hardie. If the job spec lists a different model, size, color, or system family, hold for review.

What unit is the price based on?

This listing is built around the PC sell unit. Confirm the unit before comparing price, quantity, or coverage.

How do I estimate quantity?

Coverage or yield is not specified in the available product details. Use the project takeoff and manufacturer instructions before estimating quantity.

What should be checked before purchase?

Confirm the model/MPN, sell unit, size/color, jobsite condition, compatible system components, and any manufacturer installation limits before approving the order.

Verify the manufacturer instructions, local code, and project specification before installation or substitution.

Product Expert Notes

Choose this item when James Hardie model/MPN 215603, SKU HP6SMPR, and the PC sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.