800.837.4552 | info@pbsmodular.com | "Quality Custom Modular Homes - Build America’s Future…Today!"

Modular Advantages

Modular Advantages

Plant Tour

Plant Tour  

Added Structural Integrity

Exterior wall sheathing extends over the floor and ceiling perimeter bands adding more strength and integrity.

Batt Insulation & DOW Exterior Rigid Foam Insulation

To ensure energy efficiency, spray foam insulation is installed to seal all exterior wall receptacle outlets, a batt insulation fills the exterior wall cavities and DOW Rigid Foam Insulation is inserted between the exterior wall and the interior drywall in all pipe and conduit areas.

Clean Sub Floor System

OSB & Plywood sub floors are covered with a protective plastic during the production process to ensure a clean sub floor system for the installation of flooring.

Foam Gaskets

A foam gasket material is installed on one side of each marriage wall to ensure an air tight seal when erecting the units on the foundation.

No Nail Pops

Ceiling drywall is adhered using state of the art spray adhesive instead of standard fasteners to eliminate the possibility of nail pops once a structure has settled.

Door & Window Wrap

A door and window flashing is used after installation to seal against water and air penetration.

Spray Foam

Spray Foam is applied to all exterior framing penetrations to ensure a more air tight home.

Extra Blocking

Additional blocking is installed behind the drywall for secure fastening of wall and base cabinets.

Electrical Boxes Blocking

Blocking installed behind drywall for all electrical boxes to provide extra support.

Shelf and Mirror installation

OSB backer boards installed behind drywall for Shelf and Mirror installation providing a secure area for fastening.

Stronger Seams

Horizontal drywall seams are reinforced with excess drywall cutoffs and drywall mud to ensure stronger seams.

Our Offices

Professional Building Systems, Inc. was founded in April of 2000 and has grown to become one of the largest modular manufacturers on the east coast. PBS produces over 1,000 living units per year, including ranch, cape, and two-story homes as well as apartments, dormitories, schools, and other light commercial structures.



Sales & Showroom Office
200 Custom Avenue
Middleburg, PA 17842

Corporate Office
72 East Market Street
Middleburg, PA 17842

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        Office Hours

    • MON8AM–4:30PM
    • TUE8AM–4:30PM
    • WED8AM–4:30PM
    • THUR8AM–4:30PM
    • FRI8AM–4:30PM
    Professional Building Systems