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Our Story
Mallen Company Inc is a small business providing a full range of commercial and residential caulking and sealant services in the Washington DC Metropolitan area, serving Maryland, DC, Virginia, and Delaware. We proudly offer highly trained industry professionals, and all of our work is 100% guaranteed.
Interior Caulking and Sealant Services
- Expansion and Control Joints, Cut-out and Re-caulk
- Restaurants (ADA/FDA Compliant)
- Sporting Clubs (sink tops, shower facilities)
- Fire-Stops (floor, wall, and ceiling penetrations for multi-story buildings, community and public meeting centers)
- Glazing - Blast Proofing Windows (hook up with window film company)
- Clean Rooms (sealing switches and outlets, wall penetrations, door frames, and window frames)
Exterior Caulking and Sealant Services
- Cut Out Old, Non-Viable Caulking, Install Backer Rod, and Re-caulk Expansion and Control Joints
- Sidewalk to Building Joints
- Failed Joints Around Windows
- Failed Window Gaskets
- Glazing – Worn Out Gaskets of Windows 20+ Years Old
- Swimming Pool Coping Stones
- Base of Columns
- Cold Joints Caulking for Sidewalks, Entryways, Slabs
- Handicap Ramp Joints
- Curb to Sidewalk Joints
- Metro High Traffic Areas
- Sealing Brick Mortar
- Marine Caulking
*Dennis Mallen of Mallen Company Inc. has been listed in The Blue Book since 1990.
What We Do
Commercial Experience
Club House / Community Center
Misc Project
Residential Building
Swimming Pool
Apartments & Condominiums
Assisted Living
Bank
Church / Synagogue
Design Build
Education (K-12)
Fire / Police Station
Fitness Center
Gas Station
Government
Grocery Stores
Historic Preservation
Hospital / Nursing Home
Hotel / Motel
Industrial Maintenance
Laboratory
Marine
Medical Office
Military
Non-Residential Building
Office Building
Parking Garage
Radio / Television Station
Restaurant
Retail Store
Single Family Residential
Storage Facility / Warehouse
Terminal - Airport / Bus / Railroad
Regions & Counties Serviced
- Washington D.C.
Delaware All
District Of Columbia All
Maryland All
Virginia All
Our CSI Codes
07 01 10 - Maintenance of Dampproofing and Waterproofing
07 01 90 - Maintenance of Joint Protection
07 01 90.71 - Joint Sealant Rehabilitation
07 01 90.81 - Joint Sealant Replacement
07 06 10 - Schedules for Dampproofing and Waterproofing
07 06 90.13 - Joint Sealant Schedule
07 90 00.00.01 - Joint Protection
10 74 43 - Below-Grade Egress Assemblies
31 01 70.61 - Tunnel Leak Repairs