Static structures (e.g. – buildings) – Specified terranean relationship – With drain or vent exterior to foundation perimeter
Patent
1995-11-30
1997-12-09
Friedman, Carl D.
Static structures (e.g., buildings)
Specified terranean relationship
With drain or vent exterior to foundation perimeter
5216914, 523023, 527421, 405 45, 405 50, 404 4, 404 8, E02D 3102, E04B 170
Patent
active
056947232
ABSTRACT:
A concrete slab and wall spacer with water and radon removal elements. The invention includes a cross-sectionally, L-shaped elongate strip of semi-rigid, nonbiodegradable material. At least halfway up the entire elongate vertical leg of the L-shape may be a horizontally disposed projection which is integral with the strip. The spacer projection is placed against a wall, the L base resting on a portion of the footing subtended by the wall in a conventional spacer usage. An spacer may be provided for additional support of the L-shaped strip. This spacer is easily removable after the floating slab has set, or the spacer may be left in place for use as a decorative molding. Several applications for the strip, are disclosed, one being the sealing of the shelf to the abutting wall with placement of a gas impermeable membrane in an overlapping arrangement with the L base so as to form, relative to the strip and the abutted wall, an upper fluid region and a lower gas region. The gas region is vented by a conduit which penetrates the projection, while the water in the upper liquid region is removed by other conventional methods, conceivably by through-the-wall conduits or a sump region built into or adjacent the footing.
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Friedman Carl D.
Yip Winnie
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