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Q. We need to pour a 24x24-foot concrete slab for an attached garage next to a precast foundation. The precast walls are 9 feet and 4 feet tall (see photo). Unfortunately, the trench overdig is 7 feet deep and as much as 4 feet wide in some places. We would prefer to avoid backfilling and tamping...
Q. What's the best way to vapor-seal a basement slab before tiling over it?
Q. How should a garage slab be sloped for drainage toward the overhead door? At 1/4 inch per foot on a 24x26-foot foundation, the height difference from front to back would be more than 6 inches. Do I need to grade the sand and gravel sub-base at the same slope so the slab can have a uniform 4-inch...
Shedding light on radiant heat
Building restrictions in California are prompting homeowners who want more space to add on underneath the house. A concrete contractor tells how it's done.
Q. I'm trying to find plans for cutting a solid door slab and making a Dutch door. Any help would be appreciated.
Precast concrete slabs can add clear-span basement space for an unbeatable price, and are especially cost effective on steep slopes, as this case study shows.
There’s more to concrete than water, cement, sand, and stone. An experienced batch plant manager talks about the admixtures that help you match the mix to the job.
Epoxy coatings for garage floors
A radon remediation contractor shows how to install vent pipes beneath a slab to carry radon harmlessly to the outdoors — all for a reasonable cost.
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