The temperature also needs to stay above 50 f during application and drying time up to three days.
How to seal old concrete basement floor.
Whether you plan on finishing your basement space or keeping it in its original state it is important to apply a waterproof sealant to the concrete floor in order to lock out moisture.
Properly sealing your concrete floor will block off cracks and holes trapping the moisture from rising from the ground.
This moisture can not only cause mold and bacteria but it can also ruin stored goods.
If a previous sealer has been used you want to make sure it is removed by acid.
If you want to seal over concrete floors that already have a seal try a polyurethane sealer.
Can you seal old concrete.
A concrete basement floor is the most likely place in the home for unwanted moisture to seep.
The cost of sealing concrete varies depending on whether it s a retrofit or.
Old concrete can be sealed for the first time or resealed if it has been previously sealed with a concrete sealer.
An epoxy coated basement floor is one of the best ways to maintain and preserve your space.
Before you apply a concrete seal it is recommended that you first test to see if your floor is damp.
To seal concrete floors use an epoxy sealer if you want something durable that comes in a variety of colors.
Sealer needs to be applied in dry conditions because it won t adhere to damp concrete.
Before sealing old concrete you want to make sure you determine if the concrete has been previously sealed.
For indoor concrete floors that won t be exposed to oil or grease use an acrylic sealer which is easy to apply.
How to check if you have moisture coming up through a concrete floor.
Scrapes from heavy appliances and furniture cracks from seeping moisture and dirt and grime can lead to problems for your otherwise pristine concrete flooring.
If your concrete is new you ll need to let it cure wait at least one month before applying sealer.
Before applying check the weather.