R&D Workshop, LLC

R&D Workshop, LLC

  • IS503
  • Sell to Independent Retailers
  • Inventors Spotlight
  • Brand New Product

Concrete expansion joint treatments; beautify and protect patios, walkways, and driveways

Product design and development featuring Trim-A-Slab and XJ Shield. Trim-A-Slab is a patented DIY product to repair or replace rotten or missing expansion joints in concrete driveways, sidewalks and patios. Trim-A-Slab looks great, fills in dangerous gaps, and maintains your slab integrity. XJ Shield accomplishes the same, for new construction.


  • XJ Shield

    XJ Shield is an Expansion Joint cover, placed on concrete forms before concrete is poured. XJ Shield locks into the slab, providing a decorative and ...

Please wait loading...

Floor Plan


  • Contact Information

    R&D Workshop, LLC

    2629 Natchez Court League City TX 77573 United States
    Tel:  281-910-5511

Media Contact

  1. Media Contact First Name Bob
  2. Media Contact Last Name Wilkes
  3. Media Contact Email rdwilkes@hotmail.com


  1. Products and Services
    Building Products
    • Masonry Products/Concrete/Cement
    Hardware & Tools
    • Building Materials
    • DIY Products
    • Masonry Products/Concrete/Cement
    Lawn, Garden & Outdoor Living
    • DIY Products
    • Garden Decor
    • Holiday/Seasonal Accessories
    • Hoses, Sprinklers, Irrigation Equipment, Watering Cans, Wands
    • Landscaping Supplies & Equipment


Press Releases

  • XJ Shield

    XJ Shield is an Expansion Joint cover, placed on concrete forms before concrete is poured, and is a patent pending product, proudly made in the USA.

Featured Product Guide

Countdown to
National Hardware Show

We use cookies to operate this website and to improve its usability. Full details of what cookies are, why we use them and how you can manage them can be found by reading our Privacy & Cookies page. Please note that by using this site you are consenting to the use of cookies.