You can only stamp concrete when it is still wet from a pour. To add texture to an existing patio, pour a fresh layer of concrete over the old and stamp it, provided the existing patio is in good condition. You can impress the look of brick work over a new concrete surface.Click to see full answer. Subsequently, one may also ask, can you put stamped concrete over old concrete?A stamped overlay offers all the aesthetic benefits of conventional stamped concrete but is applied over existing concrete. Stamped concrete overlays allow you to duplicate the beauty and texture of natural stone, brick, slate, wood, and other materials without having to replace your concrete.Furthermore, will concrete overlay last? Concrete overlays are thin and do not last as long as the slabs beneath them. Some overlays show durability problems within several years. Acid etching and other types of concrete color work tend to fade away over time unless the floor is consistently sealed. Also Know, how much does it cost for concrete overlay? Concrete with a decorative overlay typically ranges in price from $7 to $12 per square foot while stamped concrete costs $8 to $20. Resurfacing breathes new life into a surface and costs less than installing a new slab.How do you bond new concrete to old concrete?When using a liquid bonding agent, paint the bonder onto the existing concrete and allow it to dry until it is tacky. This usually takes only a few minutes. Then apply the repair material. Just as in the process described above, after the bonder has become tacky apply a scratch coat and then apply the repair material.
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