Do you have a problem with sunken, uneven, or cracked
concrete? Engineered Foundation Technologies can
provide the right solution! Slabjacking, also
known as mudjacking and pressure grouting, is
a process that involves injecting grout underneath
the concrete, filling in voids and eventually
lifting the concrete back in place. Engineered
Foundation Technologies also performs cavity filling
as well.
| Concrete raising is highly
effective in residential, commercial,
or municipal applications. Engineered Foundation
Technologies uses a variety of mix designs
for the given project. We are professionals
at slabjacking and will always use the best
materials available. |
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Slabjacking is a cost effective alternative to concrete
replacement. Our work can be less than half the
cost of placing a new concrete structure. Significant
savings can be had when this work is done in tough
areas where concrete demolition and removal are
not required Engineered Foundation Technologies
lifts sidewalks, concrete ramps, concrete roadways,
concrete patios, driveways, foundations, parking
lots, garage floors, industrial floors, and basements
- almost anything that is concrete! Whether you
want to raise a concrete slab, pressure grout
a void, or stabilize a settling structure, Engineered
Foundation Technologies will get it done right!
• How does Slabjacking work?
High density polyurethane injection is used
for concrete lifting, stabilization, and void
filling applications. Polyurethane slabjacking
offers the same results as traditional concrete
raising and void filling, but with new and improved
characteristics. Still cost-effective when compared
to concrete replacement, high density polyurethane
foam has quick cure time, is hydrophobic, acts
as a moisture barrier, is lightweight, and allows
very small injection holes for the concrete.
Rapid set time: Polyurethane
typically cures in 15 minutes. Projects where
construction time is of essence are ideal for
polyurethane foam injections, especially for
businesses or facilities with settling concrete
slabs where a tear out and replacement methods
would severely disrupt operations.
Lightweight: Polyurethane
foam weights only 94 pounds per cubic foot,
almost 90% lighter than traditional slabjacking
grout. This ultra-lightweight characteristic
of polyurethane induces minimal overburden stresses
on the subsoils, greatly limiting future settlement.
Polyurethane Foam Characteristics:
High density polyurethane can spread into voids
as small as 1/32”. Polyurethane foam will expand
and flow into cracks and voids expanding far
beyond the initial injection hole.
When restricted, polyurethane density will
increase. In unrestricted conditions, polyurethane
foam will rise and maintain a density of 3.0
pounds per cubic foot. Polyurethane foam density
will vary depending on restriction conditions,
but maintains a compressive strength of 100
psi.
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