Get matched with top concrete driveway pros in Bradford, ME

Most of the time, you or your contractor will spray the concrete form and framework with a release agent or oil to prevent sticking. This is common practice with wood and steel forms. For insulated concrete forms, the styrofoam formwork often remains in place after construction, so you don’t need to treat it beforehand. Foam concrete forms made out of melamine also may not need treatment beforehand, as the material naturally won’t stick to the concrete after it’s cured.

Yes, you should seal your exposed aggregate concrete to keep it protected from the elements and reduce the risk of cracking and concrete spalling. You’ll need to invest in the cost of resealing your concrete about every three years to keep it in good condition. Unsealed exposed aggregate concrete is susceptible to water damage, stains, chips, cracks, and abrasion. Sealers are available in various finishes and levels of gloss. Outdoor exposed aggregate concrete should be sealed with a non-yellowing, UV-resistant sealer to preserve the look of the finish.

Do some research before hiring a concrete contractor . Consider asking whether the contractor is insured, if they can provide references of past clients you can contact, and if this type of work requires a permit. Another potential question is how long they guarantee their work.

It’s best to avoid rain on freshly poured concrete for 48 to 72 hours for the best results, but you’ll see minimal losses of strength as long as your concrete remains dry for five hours after pouring. You can either wait for dry conditions to pour your concrete or cover the area with a tarp to help keep it dry.