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Focusing on Paver Edging

A lot goes into the installation of a hardscaped project. What kind of paver should be used for the project? There are so many pavers to choose from today, this can be an arduous task. Once the decision is made however, the next question becomes- what pattern should be used? Depending on the paver selected, you can choose from an assortment of patterns.

Those questions merely get the ball rolling. Selecting a paver and a design, though important, doesn’t mean the job is an instant success. Great care goes into preparing the base. After all, this is the foundation to every hardscape project. Any mistakes made here will impact the entire job. Then it’s on to laying out the pattern and placing the pavers.

All of these elements are crucial to a hardscape installation, but there is one other important piece of material that may be overlooked. After all, it is the paver edging that holds a hardscape together. Without the edging, the pavers would basically be floating and could easily be shifted, therefore undoing hours worth of work. It is for this reason, equal care should go into the choice and installation of edging materials.

There is a variety of options and companies to choose from when selecting paver edging. One of the obvious decisions to make is the choice between wood, steel, plastic or aluminum. There may be some advantages or disadvantages to one material over the other, but the decision often comes down to how comfortable the contractor is using the product. The following information has been supplied by the different companies and explains the product specifications and installation process.

Aluminum Edging

Sure-loc is one of the companies offering an aluminum paver edging. This particular aluminum paver edging is designed to retain paver bricks around patios, pathways, walks, driveways, or other areas where a paver retention system is needed. The material is manufactured from 6063 extruded aluminum alloy of T-5 hardness. The edging comes in a natural aluminum finish and is 1/8-inch thick. The height is 1 and 3/8-inch and the pieces are 8 feet 4 inches long. There is a 45-degree, "V" cutout in the base along with recessed stake pockets every 4 inches. A standard 3/8-inch by 10-inch steel spike is recommended for use with this product.

When a project is ready to have the edging installed, they offer some helpful tips. First, be sure that any underground lines are below the maximum depth of installation. To make sure enough supplies are purchased, measure the perimeter of the hardscape project. The base itself should extend at least 6 inches beyond the point where the edging will be placed. To reduce material waste, the edging uses a non-overlapping joint.

Besides the regular installation method that should always be used for driveways and other areas of heavy traffic, a reverse installation is also acceptable for walks, patios, and light traffic areas. The light traffic areas only require a spike every 20 to 24 inches apart along with one at each end. Areas with heavier traffic should use at least one spike every 10 to 12 inches and at each end. To complete the job, back fill up to grade. If installed properly, the edging should remain completely hidden from view.

Another company offering aluminum edging is Perma-loc. Among other edging products, they too offer a paver edging in varying dimensions. The size options include: 3/32 inch by 1 and 5/8 inch; 1/8 inch by 1 and 5/8 inch; 3/16 inch by 1 and 5/8 inch; 1/8 inch by 2 and 1/4 inch; and 3/16 inch by 2 1/4 inch. This edging also comes with a choice of Mill Finish (natural aluminum) or Black DuraFlex (acrylic paint- electrostatically applied and baked on) finishes.

The sections are 8 feet long and are manufactured out of 6063 alloy with a T-6 hardness. At the end of each section is a 4-inch offset interlocking snapdown splicing system. The 4-inch offsets allow the sections to snap down into each other and interlock adjacent sections to each other. When interlocked, one continuously smooth side is created. Combining the smooth sided joint with the interlocked sections of edging creates an edging system that has on uninterrupted vertical face free of obstructions.

On the base, 12 holes allow the use of 10-inch by 3/8-inch spiral steel spikes to be used with plastic, insulating washers. At installation, they recommend the spikes be used every 12 to 24 inches for paver patios, walkways and maintenance strips. If installing a paver driveway or running tracks, the spikes should be placed 6 to 12 inches apart.

Plastic Edging

Pave Tech offers a Poly Vinyl Chloride (PVC) edging system in a triangular, hollow core shape which provides rigidity and structural support. The lip of the edging is designed to be placed under the paver and sand, preventing sand migration from under the pavers. Customers have a choice between rigid or a flex model of the edging.

For installation, the edging should be placed on a uniformly compacted gravel base and then set using a 10-inch by 3/8-inch steel spike. The flexible model of edging should be used for any curves, but not on straight segments. Edging connector pipe is used to join two sections of edging by cutting a 5-inch piece and inserting it into the most forward cavity of the edging.

Spikes should be driven in halfway every 4 feet to allow for adjustments. Once the adjustments are made, spikes can be set so that the head is tight to the edging material. When using the flexible model, a spike must be used in every support section. The company recommends using one spike every 3 to 4 feet on patio/sidewalk projects, every 2 feet on driveways and every 12 inches for medium duty pavements.

Once the pavers have been installed, the perimeter of the project should be backfilled with the proper amount of top soil before placing sod directly up to the pavers. The edging should be invisible upon project completion.

Oly-Ola also offers a plastic edging made of sturdy black vinyl. They offer the choice between 7.5-foot sections or 15-foot sections. Each 15-foot section includes four steel Deep-V anchoring stakes and one H-clip, while the 7.5-foot section comes with three Deep-V stakes and one H-clip. The 9-inch by 1-inch Deep-V stakes are designed to eliminate bending problems associated with heavy clay or rocky soil conditions.

The manufacturer specifications listed above serve as a guide for paver edging options and installation. These companies offer a variety of edging products to solve almost any problem.

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November 19, 2019, 10:48 pm PDT

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