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Photo Gallery  |  Edge Restraint System  |  License  |  Landscape Design Plan
Here at GAPPSI®, we are recognized as one of the leading installation companies in North America for our innovation of new techniques, designs and products. Through years of experience, we have designed and developed our own edge restraint system that we exclusively and proudly install on every pavingstone installation.

Click here to view installation of the GAPPSI Edge Restraint System®

Video Clip

You may view a Real Audio Movie about Gappsi® which shows you our complete paving stone installation process and installation of the GAPPSI® Edge Restraint System. This download may take a while, so while downloading, please visit the other areas of our web site until the movie is ready to be viewed. Thank you.

Click to download.
Here are the advantages of the GAPPSI Edge Restraint System®
  • Convenient, 3 foot lengths
  • System components work together, proving positive connection
  • Manufactured of high-density polyethylene
  • Withstands low temperatures; Non-corrosive; will not rot
  • Used for straight, circular and radius application with minimal cutting
  • Does not require metal spikes or stakes
  • Utilizes the load of the paving system to maintain transverse stability
  • Allows proper vegetation growth along the outside edges of the paved area
  • Engineered to allow movement with the paving system, thereby minimizing damage from freeze-thaw soil conditions
  • Anchored belt design requires a minimum excavation and base material beyond the edges of the paved surface.


  • Here at GAPPSI®, we are recognized as one of the leading installation companies in North America for our innovation of new techniques, designs and products. Through years of experience, we have designed and developed our own edge restraint system that we exclusively and proudly install on every pavingstone installation.
    GAPPSI® offers the most reliable and functional edge restraint system to protect our clients' investment and our reputation.GAPPSI® provides our customers with a self-contained edge restraint system that overcomes the shortcomings and limitations of others. An edge system that improves transversal stability and permits a proper lawn growth along the edge of the paved area. GAPPSI® provides an edge restraint system that is applicable for residential and commercial installations, and assures a secure fit of the edge piece that abuts the perimeter of the pavers installations.
    The border of a pavingstone pavement is always subjected to freezing and thawing conditions more than the rest of the pavement because water runs off to the border and snow always gets pushed to the edge of the paved area. The GAPPSI® Edge Restraint System® allows the pavingstones to move without damage during expansion and contraction, and permits proper lawn growth along the edge of the paved area. The most common way contractors secure the edge of a pavingstone pavement is by laying cement along the outside of the pavement borders. Unlike the GAPPSI® Edge Restraint System®, cement makes it very difficult for grass to grow and nourish along side the paved area. This creates an eye soar situation and totally defeats the concept of a flexible pavingstone system.
    A pavingstone pavement is designed to move during frost conditions. This prevents cracking and gives the option of replacing damaged pavingstone without creating a repair job.
    By cementing the outside border, it makes it difficult to remove a damaged pavingstone and in the long run will be affected by freezing and thawing ground conditions and will not be able to prevent any transversal movement of the pavingstone pavement. The GAPPSI® Edge Restraint System® is clean and will keep your pavingstone project borders look new forever.

    The GAPPSI® Edge Restraint System® is available for francise for qualified and authorized installers.
    Please call us for details.
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