GBL Construction is a gypsum and portland based concrete underlayment applicator located in Evans City, Pennsylvania.

Serving the greater Pittsburgh, PA region, we have poured our products in Western, Central, and Eastern PA, as well as West Virginia, Ohio, New York, Maryland, and New Jersey. Proof that we can and will travel to any location to apply our product.

Pouring both LevelRock and Mapei products gives GBL the advantage to find a solution to almost any flooring need. Whether the customer needs self leveling, sound insulating, fireproofing, radiant floor topping, high strength applications, concrete restoration, water mitigation, or other flooring solutions, GBL has access to a range of products that will meet your needs. To see more details on all of the products and their specific applications, visit the LevelRock or Mapei products pages.

GBL Construction is one of only 21 nationwide Pinnacle Installers for Mapei Corporation. Mapei products include self-leveler toppings and underlayments, as well as moisture mitigation systems.

GBL has been pouring gypsum and protland based underlayments since 1997, giving us over 14 years of experience in the underlayment industry, with a completed square footage ranging in the multi-millions. Previously using Hacker Industries products, and currently using LevelRock products, GBL has experience with all types of prodcuts and can help you decide what type of product your project needs.