concrete42

How thick of concrete slab do i need?

How thick of concrete slab do i need? Standard concrete floor slab thickness in residential construction is 4 inches. Five to six inches is recommended if the concrete will receive occasional heavy loads, such as motor homes or garbage trucks. To prepare the base, cut the ground level to the proper depth to allow for the slab thickness.

How thick do I need my concrete? Place concrete at a minimum thickness of 4 inches. Increasing the thickness from 4 inches to 5 inches will add approximately 20% to your concrete cost, but will also boost your driveway’s load-carrying capacity nearly 50% , according to the Tennessee Concrete Association.

How thick does a concrete slab need to be for a patio? How thick will your patio slab be? Four inches is the minimum thickness for a concrete patio. You’ll want to make it six to eight inches thick if the patio will support a structure such as a gazebo or hot tub.

How thick does a concrete slab need to be for a shed? The best concrete thickness for a shed tends to be 4 inches which is the standard size used for most residential concrete patios, walkways and sidewalks. You can pour 6-8 inches if your storing something heavier but it’s rare. Concrete slabs are typically poured over 4-8 inches of compacted gravel and earth.

How thick of concrete slab do i need? – Related Questions

How to prevent leakage in concrete roof?

Standard concrete floor slab thickness in residential construction is 4 inches. Five to six inches is recommended if the concrete will receive occasional heavy loads, such as motor homes or garbage trucks. To prepare the base, cut the ground level to the proper depth to allow for the slab thickness.

Can i caulk fresh concrete?

Wait at least 30 days before sealing a new concrete surface—whether indoors or out—so that it has time to completely cure first.

What is elastic shortening of concrete?

in prestressed concrete, the shortening of a member that occurs immediately on the application of forces induced by prestressing.

What size concrete tube for 4×4 post?

The rule-of-thumb is to use a tube diameter 3 times the post width, therefore use a 12” diameter Sonotube for a 4×4” post.

How much does a yard of concrete cost 2016?

Concrete costs an average of $117 per cubic yard, with a typical range between $104 and $144 per cubic yard. Concrete costs an average of $117 per cubic yard, with a typical range between $104 and $144 per cubic yard.

What are the different parts of concrete?

Concrete is made up of three basic components: water, aggregate (rock, sand, or gravel) and Portland cement. Cement, usually in powder form, acts as a binding agent when mixed with water and aggregates.

What causes concrete spalling?

Spalling occurs on exterior slabs when water that is trapped in the concrete goes through multiple freezes and thaws. When water freezes it expands by about 9%, which creates tremendous pressure inside the slab. … Eventually, microcracks start to form and the surface begins to separate from the body of the slab.

How to make perlite concrete?

Perlite concrete mixed at a ratio of 1 part cement to 6 parts perlite has an insulation value, or “k” value, of 0.64 and a compressive strength of 125 to 200 pounds per square inch. At a ratio of 1 part cement to 4 parts perlite, you achieve a “k” value of 0.83 and compressive strength of 350 to 500 pounds per inch.

How much does an 8 by 16 concrete block weigh?

How much does a cinder block weigh? Regarding this, “how much does a cinder block weigh?”, it’s depend on size and density of block, generally most common and standard size of 8″ × 8″ × 16″ a cinder block weighs around 38 pounds or 17 kg.

How do you make a concrete shed base?

To create a level base, excavate the earth in the marked area to a depth of six inches (150mm). Lay approximately 75mm (three inches) of compacted hardcore/brick rubble to act as the foundation – leaving space for 75mm of concrete on top. If the area requires further levelling, add some compacted sand.

Can i tile over concrete walls?

You may install the tiles on the surface directly without the need for cement boards. You may also use floor tiles on a concrete wall if you don’t like to use wall tiles. However, make sure that the surface is smooth and flat before doing anything.

How much do concrete finishers charge per yard?

How much is concrete? Concrete costs from $113 to $126 per cubic yard or between $2.83 to $3.57 per square foot depending on the thickness of the slab poured. It will cost an additional $2.52 to $2.60 per square foot for the labor.

How to drill a hole through concrete foundation?

Start the drill at its lowest speed for better control. Drill forward with steady, light pressure; do not force the drill. Drill the guide hole to a depth of 1/8- to ¼-inch. Stop the drill, sweep or blow away the accumulated concrete dust and pull out the drill.

How can you repair concrete cracks in a bird bath?

Birdbaths have a tendency to crack after going through a freeze and thaw cycle. Small hairline cracks can be sealed with a waterproofing concrete sealer or epoxy, and larger cracks can be filled with a polyester resin. Pour half of your cleaner into your birdbath and use your scrub brush to clean the entire bowl area.

How to clean a dusty concrete floor?

You will need a large bucket of warm water, a mop and a mild cleaner. Avoid the use of strong cleaners as they can damage the concrete finish. You can select one of the gentle cleansers such as mild dish wash soaps, neutral stone cleaner, pH neutral floor cleaner or detergents or pH neutral stone cleaners.

How to remove concrete from floor when plumbing?

After cutting both lines, use a sledgehammer to carefully break the concrete strip into chunks and remove the pieces. Once the concrete is out, you can dig in the remaining trench to remove the sand or soil before running the new plumbing.

Can you apply stucco directly over cmu or concrete?

Portland Cement Plaster (Stucco) can be directly applied to masonry substrates. … Do not apply cement plaster over 5/8 inch thick to masonry without a lath. Masonry must be sound and stable prior to plastering. OPTIONS: Finish Coat: A skim coat of cement finish may be applied directly to CMU with struck flush joints.

What kind of tape adheres to concrete walls?

Seam Tape. Seam tape is used to put up vapor barriers on concrete walls. It is a tough tape designed for long-term adherence. Even if you are not using vapor barriers and are trying to attach objects to individual blocks instead of an entire wall, seam tape is still a good bet for strong adherence.

What do i use to install hardwood over concrete?

Lay 6-mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Then fasten 3/4-in. treated plywood to the concrete with concrete screws spaced every 16 in. Alternatively, screw rows of treated 1x4s to the concrete 16 in.

What to use for forming concrete with curves?

Hardboard is inexpensive form material and is easy to flex into smooth curves. Hardboard siding is intended for exterior walls, but it’s also great stuff for forming curves because it’s flexible and cheap.

How do you clean mold off of concrete?

The best way to remove mold from concrete is to apply a bleach solution, laundry detergent, and water to the affected area, scrub it with a brush, and rinse it clean with a sponge indoors, or hose or power washer if outside.

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