FAQ &

Technical 

FAQ

How do I clean my stone?

Although stone is solid and durable, it's recommended to use a light touch while cleaning.  Spray with a garden hose to clean.  If needed, use a solution of mild detergent and water and lightly scrub stone surface with a soft bristle brush.  Rinse throughly to remove any cleaning solution.  Do not use wire brushes, acids, vinegar or pressure washers.

Why does my stone appear darker than the sample?

We produce durable concrete products, which require a curing process.  You may notice stones having a darker appearance than a sample.  The packaged stone has moisture and needs to aerate in the sunlight for about 7 days.  Rainy, cloudy or high-humidity climates may require more time.

As the moisture in the stone equalizes, the overall color will lighten.  Dark colors-grey, deep brown, and black-display the most drastic color changes as they normalize and cure.

Most installations require multiple boxes of products, which may be at varied stages of curing.  It is common for the same stone and color palette to display a range of shades.  In this way, manufactured stone exhibits the natural and diverse tints found in natural stone.

Limestone - Pennsylvania newly installed, color appears darker

Limestone - Pennsylvania after move-in, color has lightened


Stack-A-Stone LLC received certification through DRJ Engineering through a process called Technical Evaluation Report (TER). The products that are certified must meet and exceed rigorous standards beyond just product testing.

Product Certification

ter1806-03stack-stonemasonryveneer.pdf