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Robinson Flagstone and Bluestone, providing the finest quality Pennsylvania bluestone (PA bluestone) to the country since 1919. Thank you for your interest in our flagstone and bluestone products. The subtle variations in color and beautiful natural cleft texture give flagstone and bluestone a wonderfully appealing charm, combined with the strength and durability of natural stone.

It is ideal for both indoor and outdoor applications, in commercial settings or in any residence. With our main office and stone yard located in Fort Washington, Pennsylvania, Robinson Flagstones has been the preferred supplier of Pennsylvania Flagstone (Bluestone) in not just the Greater Philadelphia area, but all across the United States and into Puerto Rico.
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Since 1919, we have offered Pa. natural cleft flagstone/ bluestone paving in the following color ranges: full color range, no extreme range (subject to availability), and the blue to gray range. There is no selection for any one particular shade or tone. The pictures displayed on our website are a likely representation of each of the selected ranges.
Natural Cleft PA Flagstone (Bluestone) - The subtle blends of naturally occurring color variations and uniquely attractive natural cleft texture are what give PA flagstone (bluestone) its appealing, old-world charm, combined with the strength and unmatched durability of natural quartzite sandstone.
With our full color range of PA Flagstone paving, the shades and tones combine as a whole to make each project unique, yet retain that rustic feel that can only come from natural stone paving. The full color range consists of a variety of shades and tones. The predominant colors in this range consist of blues, grays, greens, and browns, plus warm tones with interesting rusts, lavender and pheasant shading which are dappled with various iron oxide coloration.In the full color range, we do not offer selection for any particular shade or tone.
Our No Extremes color range of PA Flagstone paving is specially hand-selected to exclude extreme rusts, lavenders and extreme pheasants. The No Extremes color range provides a softer blend of the blues, grays, and earth-tone colors, while still retaining the uniqueness and variation that is the hallmark of natural cleft, PA flagstone.
Reviews (3)
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Brooks A.
Sep 15, 2021
Recommend Robinson Flagstones 100%. Doug was incredible helpful and never "pushy" as we looked for stone for stacked walls in our garden. Great quality stone, fair price, excellent delivery. Could not have asked for more.
Shaylyn Forte
Oct 26, 2020
Working with Robinson Flagstones was a wonderful experience. I needed to find some stones to extend my patio and didn't know where to start. Doug drew up a diagram with what stones I needed to put where so that I could purchase and complete my project. Everyone I interacted with at Robinson was friendly and helpful- totally recommend!
Chuck Kotzer
Nov 02, 2015
Just there to pick up some rustic stepping stones and they were great. Fast friendly and reasonably priced.