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During  -  Found opening in slab under walls bottom plate​. Needs to be sealed for the radon mitigation system to work properly.

BEFORE  -  Cleaned slab crack. 

That was covered with carpet

​Sealed Cold Joint

Closer Look at Gap Width

Repairing Unsealed Sump Cover

AFTER  -  Caulked slab crack.

Repairing Slab Cracks. During a radon mitigation system installation.

Repairing Hidden Slab Opening

Before  -  Hidden issue under wall

Sealing Projects

Adamski Builders LLC performs Pressure Field Extension Testing during a radon mitigation system installation.  Readings indicated there was issues not achieving proper suction under the slab.  Found one inch gap in slab under perimeter basement walls.  Achieved proper suction once the repairs were made.

Cleaned Out Cold Joint

After -  Sealed slab opening

BEFORE  -  Open Unsealed Sump Cover

Cold Joint Seam

Specializing In Radon Mitigation radon mitigation system

AFTER  -  Sump Cover With Seals & Gaskets

Cover is anchored down so kids and pets can not fall in sump basin.