Outdoor Concrete Finishes
The main difference between a honed finish and grind and seal are the sealers that are used. The honed finish has a penetrating sealer which absorbs into the slab (like sunscreen on skin, it penetrates down into the concrete rather than sitting on the surface). This penetrating sealer cannot be scratched off or worn down by foot traffic and therefore will last much longer, whereas the sealer used for the grind and seal (G&S) option is a topical coating (like a clear nail polish) which can be scratched / damaged / gouged and will wear away over time depending on the type and volume of foot traffic.
A honed finish is easy to repair, and only minimal maintenance should be required to maintain this finish. For a G&S however, this finish is not able to be easily patch repaired and will most likely require more frequent and extensive maintenance overtime due to the topical coating being far more susceptible to damage from normal day to day life.
Although hugely popular indoors, we don’t often recommend it outdoors unless the client is wanting a glossy look. This G&S option is available in a matte, satin or gloss finish. For a G&S in an outdoor area, we would add a non-slip grit to the topical coating to ensure some slip resistance when wet.
Although the Grind & Seal finish may not be suited to your outdoor areas, it is a great option and something we would highly recommend you consider for areas such as your garage floors, or anywhere else that may be prone to oil / liquid spills. Please click here to go to the full G&S page.
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