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Portland Natural Thin Stone Veneer

Portland is a castle rock style natural gneiss thin stone veneer.  The stone gets its character from closely woven and deeply pronounced grains.  The colors are mostly shades of grey and beige with an occasional darker earthy brown.  The stone has a relatively smooth and natural texture.  The large blocky rectangular pieces have been split on four sides with a hydraulic press.  The castle rock stone style is also called squares and recs or square-rec for short.  Portland is a top of the line thin stone perfectly suited for grand exterior applications.

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Style: Castle Rock

The style of the stone indicates the overall dimensions, shape, and pattern in which they are laid. For more information about each style, and which style you should choose, visit the Natural Stone Veneer Style Guide .

Color: Earthy Browns, Grey Tones

Finish: Natural

Stone Type: Gneiss

The stone type indicates the mineral compositions and properties of the stone. All Quarry Mill natural stone veneers are premium quality real stone and pass all code requirements. For more information about each type, visit the Natural Stone Veneer Type Guide .

Origin: Made in the USA

Approved for all applications due to the high compressive strength and low water absorption of the stone.

Type: Individual Pieces of Stone

Method: Pallet Shipped

Lead Time: Approximately 4 to 6 weeks

Minimum Order: 300 Square Feet


The freight company will call in advance to schedule a delivery appointment. A forklift or skid-steer with pallet forks is required on-site at time of delivery.


Free shipping on orders over $10,000. $500 flat rate shipping on orders less than $10,000. Quarry Mill ships anywhere in the USA with standard access.

Portland Flats

Heights: 2” - 12”
Lengths: 4” - 18”
Depths: ¾” - 1-½”
Weight: 13 - 15 lb. per square foot

Portland Corners

Heights: 2” - 8”
Lengths: 3”-5” x 8”-12”
Depths: ¾” - 1-½”
Weight: 20 lb. per linear foot
Angle: 90°


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1 review for Portland

  1. - Brooke S.
    We purchased Portland stone through The Quarry Mill for a renovation project and the customer service couldn’t have been better. They were there to answer all of our questions and the stone is what we were dreaming of. We will be calling The Quarry Mill for our next stone project.