J-Lock Sheetmetal L.L.C

J-Lock Sheetmetal L.L.C J-Lock Sheetmetal delivers custom Duct design and installation providing the quality you desire!

Basement duct install
08/24/2025

Basement duct install

Tight Mechanical Closet and Attic Duct Install
08/24/2025

Tight Mechanical Closet and Attic Duct Install

Some Attic action in Pasadena
08/24/2025

Some Attic action in Pasadena

Return duct installed over existing Bare coil & Enlarged Return Grille to replace existing Undersized grille
08/24/2025

Return duct installed over existing Bare coil & Enlarged Return Grille to replace existing Undersized grille

Crawl Space Duct Installation for a 3 Ton Packaged Unit.
08/24/2025

Crawl Space Duct Installation for a 3 Ton Packaged Unit.

Duct Install for Coltlee Mechanical
02/12/2024

Duct Install for Coltlee Mechanical

Another small Duct system in Sparrows point completed.
02/08/2024

Another small Duct system in Sparrows point completed.

Duct installation in Glen burnie MD
01/24/2024

Duct installation in Glen burnie MD

Small Ductjob recently completed
01/24/2024

Small Ductjob recently completed

2 -5 ton Duct systems installed for this Dialysis center. Over 200’ foot of duct installed & insulated within the atti...
11/13/2023

2 -5 ton Duct systems installed for this Dialysis center. Over 200’ foot of duct installed & insulated within the attic space, this project took alot skill and dedication to complete!

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Hagerstown, MD
21740

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