Providing commercial and industrial fire protection

Licenses and Services
MD State Journeyman Licensed Plumbers
Medical Gas Certification
Backflow Prevention Certification
Certified Welders
MD State Master Plumber License #7401
Maryland State HVAC License #5531
Steam and hot water boiler installation
Design and build plumbing systems
Perform pipe and duct work insulation
Complete refrigeration installation service
MD State licensed sprinkler contractor











R.H. Lapp & Sons is also a licensed sprinkler contractor since 1995. We provide commercial and industrial fire protection and have the ability and licensing to perform quarterly and yearly sprinkler inspections and tests. A fire protection contract with R.H. Lapp is a guarantee of quality workmanship from design to final completion.