Drain Tile Installations
In the case of hydro-static pressure , excessive water build up under the floor slab, ULB-Dry offers either an interior or exterior drain tile installations depending on your specific needs. A trench is excavated next to the footer. In order to insure flow this trench is pitched to a sump pump basin. All of our tile installations start with a pre-inspection where one of the foreman’s will walk the job site with the home owner to go over the logistics of the job.
All materials used and sump pump discharges will be in accordance with village codes.
Interior Drain Tile Installations
With the assistance of the homeowner the area is prepped and plastic is hung.
The concrete slab is removed approx. 12 to 18″ off the foundation wall.
A trench is excavated no less than 10″ below the floor slab. This trench will slope approx. 1/8″ per running foot until it reaches the sump basin.
If needed a new basin can be installed. An opening approx. 36″ round and deep is created in the floor. A small bed of gravel will be placed in the bottom of the hole. A 32″ deep poly basin is placed into the hole and surrounded with stone.
A small base of 3/4″ stone is placed in the bottom of the trench.
A 4″ perforated drainage tile complete with a filter sock is laid in the trench.
The tile is covered to within 3″ of the floor slab with an additional layer of 3/4″ stone.
A dimpled drainage mat is placed over the gravel and up the foundation wall approximately 4″.
The cement is replaced level to the existing.
Exterior Drain Tile Installations
J.U.L.I.E will be called to mark the area.
A series of plywood planking will be placed across the ground/soil.
A trench will be excavated by hand from top of grade down to and in front of the footer. From this point the trench next to the footer will be sloped towards the existing sump.
A small layer of 3/4″ stone will be placed in the base of the trench.
A 4″ perforated PBVC tile with filter sock will be placed into the trench and connected to the basin.
Another layer of 3/4″ stone is placed over the tile up to the height of the top of footer.
A dimpled drainage mat with a filter fabric will be secured to the foundation wall from a point just above finish grade down to and across the stone.
An additional 12″ of stone will be added.
The remaining trench is backfilled and compacted using the existing soil leaving a small mound to allow for excess settling.
All excess spoil will be removed and disposed of properly.
Exterior Membrane Applications
Foundation wall are excavated and inspected.
All major voids and cracks are filled with a waterproof mortar.
A primer is applied to help with adhesion.
A cant of sealant is applied to the juncture of the foundation and the footer.
The membrane is applied to the wall and all lap joints are properly sealed.
A termination bar is added across the upper edge and sealed in place. (partial wall will have termination bar at the vertical edges as well.)
A black drainage mat with filter fabric will be installed to the wall to help channel ground water down to the footer.
The trench is backfilled and compacted leaving a small mound for excess settling.
All excess spoils will be removed and disposed of properly.
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