keystone hardscapes

Your dreams. Your budget.™

CST built its reputation on its MONO-CAST™ one-piece construction that guarantees hardscape products with consistent integral color and strength that will last a lifetime.

Massachusetts & New Hampshire's Keystone Hardscaping Supply Company

Keystone Hardscapes® is embracing the needs of owners, developers, architects, designers, contractors, homeowners and other customers in the Mid-Atlantic by aligning CST under its brand. Recognized for manufacturing high-quality retaining walls, CST gains award-winning design innovation, a deeper product offering, robust marketing expertise and world-class customer service as part of Keystone Hardscapes®.

Wall Block

Victorian wall block

Keystone Compac II

A specifier's favorite, Keystone Compac features unrivaled aesthetic options, cost saving versatility and proven wall performance.
victorian wall block

Keystone Victorian

The Keystone Compac Victorian Ashlar combines the versatility of the Victorian Random Score unit and a 4" unit. Multiple ashlar patterns can be achieved with fewer units for a faster and more economical installation.ble in an assortment of colors to match any project!
keystone

Keystone Verazzo

Keystone’s Verazzo Stone is the perfect blend of rugged good looks, design versatility and strength. Verazzo Stone is available in a three-piece or single unit system (varies by market). Verazzo Stone units are 6-inch high, angled and textured on both sides; making it an ideal solution for 2-sided applications, such as a free-standing wall.

HAVE QUESTIONS?
WE HAVE ANSWERS

At Powell Stone and Gravel, we work hard to provide our customers with premium materials, fair prices, and expert know-how.
CALL NOW
133 Leominster-Shirley Road Lunenburg, MA 01462
Mon - Fri - 7am – 5pm
Sat: 7am -2pm
Sun: CLOSED
978-537-8100
673 Spring Street
Winchendon, MA 01475
Mon - Fri - 7am – 5pm
Sat: 7am -2pm
Sun: CLOSED
978-297-5600
87 Route 13
Brookline, NH 03033
Mon - Fri - 7am – 5pm
Sat: 7am -2pm
Sun: CLOSED
603-673-8100
Material Calculators
We provide various calculators to help provide accurate calculations
mulch by the yard
Mulch Calculator
> Mulch
masonry calculator
Concrete & Masonry Calculators
> Concrete Block
> Concrete Reinforcing Mesh
> Concrete Steps
patio calculators
Patio Calculators
> Paver Base
> Polymeric Sand
driveway calculator
Driveway Calculators
> Gravel Driveway
grass seed calculators
Grass Seed Calculators
> Grass Seed
cross
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