QA

Quick Answer: How To Install Decomposed Granite

How deep does decomposed granite have to be?

We recommend getting enough DG to achieve a depth of 2″ to 3″ throughout your walkway, and 4″ if you are covering a whole driveway.

How long does it take for decomposed granite to harden?

Allow 3 to 4 days for the Decomposed Granite to completely dry out. Maintenance and Repairs. 1. Loose aggregate will appear on the surface as time passes.

How do you stabilize decomposed granite?

How To Stabilize Decomposed Granite Using Gator Stone Bond Excavate 2-4” of existing soil. Compact and grade the soil using a laser or string line. Lay a geotextile down to prevent cross-contamination of the soil and the crushed stone. Prepare your structural base using an aggregate that contains a variety of sizes.

Do weeds grow through decomposed granite?

Weeds, on the other hand, are slow to sprout in the compacted D.G. If they do simply hoe them out. Jerry Collins, a grading contractor in Tulare who uses a lot of D.G., says “nothing will grow through three to four inches of D.G., except maybe Bermuda grass.”Oct 9, 1994.

Does decomposed granite need stabilizer?

This is an ideal stabilizer because it requires little to no maintenance, does not fail over time, and has excellent erosion control. It is also permeable, allowing water to easily pass through; since it does not contain any oils, resins, polymers, or enzymes, it will not cause water pollution.

Does DG get muddy when it rains?

Decomposed granite, or DG, is made up of granite aggregates that are 1/4″ or smaller. Sometimes DG is so fine that it resembles sand. During the winter, when rain is frequent, loose decomposed granite paving will become mushy and muddy.

How much DG do I need?

How much decomposed granite do you need? Multiply the length of the area to be covered, in feet, by the width, in feet, which gives you the area’s square feet. Then multiply the square feet by 0.25 feet (representing a minimum depth of 3 inches, converted to feet), which gives you cubic feet.

How many tons of DG do I need?

explains that you have to first measure and record the length, width and depth of the area in feet. Then, multiply the length by width by depth. Take that total and divide it by 27. The resulting number equals how many cubic yards of crushed granite you will need.

Can you put decomposed granite over gravel?

There are basically three forms of decomposed granite that can be used for outdoor spaces. These include: Decomposed granite with stabilizers – When creating a pathway or small patio, the stabilized decomposed granite can be added and tamped down to soil or rough gravel material.

How do you prepare the ground for rock landscaping?

Get started with the actual preparations for installing your landscaping rocks by removing grass and weeds from the ground. Make sure to pull any existing weeds out fully, roots and all. With any grass that may be on the ground, dig down far enough so your decorative rocks will be level with the surrounding surface.

Does DG Harden?

The chemical properties of DG allow it to harden and solidify once wetted and compacted in an area. Organic binding products are typically added within the mix to further aid in stabilizing and hardening the product to handle foot traffic and natural erosion.

What can I use instead of decomposed granite?

Decomposed Granite Alternatives Sand. Sand is one of the most commonly quarried construction aggregates and is one of the two natural aggregates. Gravel. Gravel is another natural construction aggregate. Shale. Shale is sometimes used as a lightweight construction aggregate. Recycled Concrete.

Is decomposed granite cheaper than concrete?

The best part about decomposed granite is that it’s relatively inexpensive compared with other solutions such as concrete or pavers. Cost typically statrt at $40 to $50 per cubic yard for locally available options, whereas more exotic colors will be higher.

Why is my decomposed granite cracking?

If cracking appears in a GraniteCrete surface broom loose aggregate “fines” into cracks and compact. If the paved surface has large areas of raveled material (loose aggregate/decomposed granite) the initial installation may not have been properly compacted or blended materials did not have optimum moisture content.

How do you maintain DG?

Apply DG in 1.5-inch layers, water down (don’t flood it) and tamp or use a heavy roller to compress the DG. Wait eight hours between layers to let the DG settle. Repeat the above steps for each subsequent layer. When properly installed, the DG surface will be rock hard, stable, dust-free and will allow water to drain.

How do you maintain a DG patio?

Again, DG is not a maintenance free material like a concrete walkway. It needs to be raked to remove weeds or moss, and may need to be redressed with a little bit of new material and periodically recompacted.

Will moss grow on decomposed granite?

A decomposed granite flowerbed, walk way or driveway exposed to a damp, shady and cool environment is susceptible to moss growth. When left untreated, the moss spreads, creating an unsafe, slick surface.

Is crushed granite safe for dogs?

Keeping pets and humans happy There’s no way around it: Humans like to plant flowers, and dogs love to dig them up. In areas of high dog traffic, replace the grass with a more durable surface, like pea gravel or decomposed granite. These materials are safe for your dog to run on but won’t wear out.