Can you join two concrete slabs?
Joining slabs involves creating a joint that both structurally connects the slabs and provides a flexural point to accomodate how the different ages of the slab will respond to climate and stress. While it sounds complicated, the proces to join two concrete slabs is easy but might take a few attempts to get it right.
Can you extend an existing concrete slab?
Youtube quote:Now because i'm only going to have about two inches of concrete over the existing slab i use something called weld crete which helps bond existing concrete to new concrete.
Can you put a thin layer of concrete over existing concrete?
How Thin Can You Pour Concrete Over Existing Concrete? The thinnest that is usually used when pouring concrete, in general, is about 2 to 2 ½ inches. That also applies to this pouring new concrete over old concrete. Any thinner than 2 inches would be too thin.
Can you bond new concrete to old concrete?
A bonding agent (bonding adhesive) needs to be painted onto the existing concrete first to ensure that the fresh concrete will successfully adhere. This is also true of floor repairs, if concrete is used to fill gaps caused by damage. The new won’t adhere to the old without the help of a bonding adhesive.
How do I add onto existing concrete?
Youtube quote:Nice. Now the homeowner got their sub base ready so he dug all all that existing grass and sawed out he put the gravel. In. And then we came and we're laying the styrofoam putting up the forms we're
How do you attach new concrete to old concrete?
You can join the new concrete right to the old concrete, this is called a concrete construction joint. The edge of the existing concrete that was sawed should be drilled and doweled so the new concrete won’t separate, lift, or settle from the old concrete.
Does concrete bond to concrete?
What Will Concrete Not Stick To? Concrete does not adhere to: Concrete – Dried concrete doesn’t have any natural bonding agents, so in order to get wet concrete to bond to existing concrete, a bonding agent will need to be used.
Will concrete overlay crack?
But even if you do everything right in preparing the slab before you apply the overlay, you may still get cracks. You may experience shrinkage cracks, often the result of applying the overlay topping incorrectly or too thick.
How thick is a concrete overlay?
The recommended thickness of a concrete overlay should be between 1 and 2 inches. Some people will even go to ¼ of an inch in thickness, which is still sufficient depending on your needs. If you place a 2-inch overlay, you need a very rough surface on the existing slab. Ensure the surface is rough enough.
Is concrete overlay a good idea?
They’re Strong and Durable
Concrete is one of the strongest materials available for your floors. The decorative overlay consists of stain or pigments, so the floor remains as strong as ever. The floor coatings themselves are resistant to most damage, including stains and etching from chemicals or heavy equipment.
How long do concrete overlays last?
Concrete overlays typically last 10-15 years but can last up to 25+ years if well-applied and maintained. The overlay material quality, the amount of prep work done to the concrete, and the amount of regular maintenance can impact the lifespan of a concrete overlay.
Can you texture existing concrete?
The Solution. The best way to get stamped concrete over existing concrete is a stampable overlay. Stampable overlays are a thick overlay capable of accepting texture from stamps. These overlays are much thicker than microtoppings but not as much as a self-leveling overlay.
Can you pour stamped concrete over existing concrete?
CAN YOU DO STAMPED CONCRETE OVER OLD CONCRETE? Stamped concrete overlays can be used on new or existing concrete and on interior or exterior surfaces. They can even be applied to walls and other vertical surfaces.
How strong is concrete overlay?
Kummer agrees there’s nothing weak about these overlay products. He says a typical concrete job may have a tensile strength of 3,000 psi. However, his company’s new GSPEC (Green Self-leveling Polyurethane Epoxy Cement) product goes well beyond that. “The resin alone can yield more than 8,500 psi,” he says.
