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Concrete Care

MAINTENANCE INSTRUCTIONS
Protecting your concrete investment…

Curing Concrete
Curing is the most important step in concrete placement. To ensure that your new concrete reaches its maximum designed strength and durability, it must be properly cured. This process must begin as soon as the concrete will accept the water without damage to the surface.

The best method for curing concrete:
Water Curing is the process of keeping the concrete surface saturated for approximately seven days. A garden sprinkler is typically used for this type of curing and the surface can not be allowed to dry out during this period. PMC recommends and uses this method for the majority of projects.

Usage
1) Please wait a minimum of 24 hours before you walk on new concrete.
2) Furniture, pots, etc. can be replaced 72 hours after completion/sealing. Furniture must be fitted with plastic protectors to avoid scrapes.
3) Do your best to avoid the edges of concrete steps, sidewalks, landings etc. for as long as possible as this is where breakage is most likely to occur during the curing process.
4) Do not park or drive on your new concrete for 21 days.
5) After 28 days, once your concrete is fully cured, a sealing compound should be added.

Sealing
The best protection for your investment is to ensure concrete surfaces are sealed regularly starting at 28 days after placement and then sealed at minimum every two years. Water repellent concrete sealers can help to prevent surface defects from cold weather by keeping water from being absorbed into the concrete slab. A quality concrete sealer helps maximize protection and lengthens the time between applications. NOTE: Sealing is your best defence against de-icers brought in by your vehicle to your driveway, from driving on city roads in winter. PMC recommends you refrain from purchasing sealer from general hardware stores as the product is typically sub par, and may even damage your concrete surface. PMC recommends purchasing your high-grade sealer from a reputable supplier such as Williams Form Engineering Corp. https://www.williamsform.com/ or call PMC to come and seal for you. 

Cleaning
To avoid build up and staining, regular cleaning is recommended. Use clean water from a hose with a spray nozzle. To remove dirt and debris, a medium bristle brush should be used together with a mixture of mild detergent and water, then thoroughly rinsed with clean water.
DO NOT USE:
1) Wire brushes
2) Power buffing machines
3) Cleaning compounds other than mild detergent with water

Winter Care
1) DO NOT USE Salt and De-Icing Products

De-icers, such as salt, will increase the number of freeze/thaw cycles the concrete must go through, potentially causing damage to new concrete. Watch for ingredients such as “Ammonium Nitrate” and “Ammonium Sulphate” which is particularly damaging to concrete, causing rapid disintegration. These chemicals, as well as “Urea” can often be found in common garden fertilizers which can also disintegrate concrete. Using any type of salt or de-icer will VOID any WARRANTY from PMC Professional Concrete Finishing Ltd., and PMC Professional Concrete Finishing Ltd. is not liable for damages as a result of their use. Typical damage from de-icers includes but is not limited to: scaling, peeling, spalling, shelling, and pitting of the concrete surface. NOTE: Sealing is your best defence against de-icers brought in by your vehicle to your driveway, from driving on city roads in winter.
2) Use a “Plastic” Shovel
Using a Plastic Shovel for snow removal is recommended to eliminate scratching and the loss of stones to stamped concrete or exposed aggregate. Use of Snow Blowers is acceptable only when the machine is fitted with plastic guides, if rotating blades are NOT TOO sharp, and if blades do NOT come in direct contact with the concrete surface. “TRUCK BLADES” ARE NOT RECOMMENDED.
3) For Traction
Use plain sand, fine kitty litter, or a volcanic based product (ie: Ecotraction) to improve traction without causing damage to the concrete.

Cracks
The natural freeze/thaw cycles can cause your concrete surface to push up or “heave”. PMC has ensured that your concrete installation has been designed with specifically placed pressure cuts to prevent cracking if heaving should occur. The concrete will settle back down to its installed position/level once the frost has gone out of the ground in the spring. Although PMC will consider all potential cracking areas, and will do their absolute best to prevent any type of cracking by using only the best products, and highly reputable product suppliers, potentially cracks may still occur in any season. PMC Concrete Finishing Ltd., is not liable for damages caused by acts of God/nature.

WARRANTY
PMC Professional Concrete Finishing Ltd. offers a one (1) year warranty beginning on the completion date of the project.
Homeowner will be required to sign a copy of the warranty before booking their tentative project date.