Pros and Cons of the Different Types of Natural Stone
The Following is a great succinct Masonry explanation on Types of Natural Stone and the Pros and Cons; excerpt from the Book "Patio and Stone" by Tom Wilhite on Types of Natural stone on page 40-41.
" Natural Boulders Pros: good for decorative use and walls. Flat field Stones can be used for Paving Collin River wash Boulders for ornament and in water features. Cons: River washed Boulders are too smooth for Paving. Price$‐$$ Installation: for youth in Paving, set flat side up in bed of gravel or sand. As decorative elements, can be set directly in soil.Green tip, choose local Stone to eliminate long distance transport.
Quarried Boulders Pros: rugged and strong looking, with angular shape useful for building walls, raised beds, benches, and Rock Gardens. Price: $-$$ Installation: as decorative elements, can be directly in soil. Wall Stone, weather rubble (rough blocks) or ashlar (fairly uniform blocks), is ideal for dry stacked or mortared walls. Green tip: choose Stone from a local Quarry to cut down on transport.
Flagstones Pros: irregular shape gives a natural look to Paving and walls. Wide range of colors and sizes. Cons: can be difficult to fit together may require cutting. Price: $-$$ Installation: thick flagstones can be set in soil or sand. Thinner ones should be set in mortar or concrete base. Green tip: leave and unmortared gap between paving stones for increased permeability and two recruits runoff into local storm drains and Water Supplies.
Cut stone Pros: formal appearance makes it a good choice for Paving and for facing walls. Square or rectangular shape makes it easy to piece together. Price: $$-$$$ Installation: thick Stones can be set in soil or sand. Set thinner ones in mortar on a concrete base. Green tip: choose Stone from a local Quarry, to cut down on transport. Leave and unmortared gap between paving stones to increase permeability and decrease run off.
Cobblestones Pros: uniform shape and small size make for easy Paving or edging. Very durable. Add a look of old-world charm. Cons: Require and edging to stay in place. Price:$$-$$ Installation: four packs, set on a bed of sand. For driveways, set on a tamped bed of gravel topped by sand. As etching, simply set in soil.Green tip: use recycled cobblestones.
Veneer Stone Pros: give a concrete wall the look of a stone wall. Uniform, lightweight pieces relatively easy to work with. Comes in many colors and textures. Price:$-$$ Installation: set in mortar or concrete block wall, or stock for low raised bed.
Crushed gravel Pros: compacts firmly to make a solid base good for paths or as a foundation layer under pavement. Available in many sizes and colors. Cons: Requires edging to stay in place on path. Price: $-$$ Installation: for a path, install edging first, then a layer of sand, then gravel at least 2 inches thick. Green tip: Gravel paths are highly permeable, allowing water and Rain to seep into soil rather than runoff into storm drains and Water Supplies.
Rounded gravel Pros: highly decorative. Available in many colors and sizes, including fairly large decorative Pebbles. Cons shifts and rolls. Price:$-$$ Installation: same as for crushed gravel. Green tip: lets rain water seep into ground rather than runoff into storm drains. "
Brick House Stone Masonry 309 Clarence St. London, Ontario N6B 2K2 (226) 781 - 1046