Dura-Rubber epoxy basement floor paint
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Dura-rubber interior concrete paint


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concrete epoxy coatingRubberize basement concrete paint


Preparation: If going directly over concrete (No other coating on it) make sure the concrete in completely dry. If the concrete is damp to the touch it is not dry. (Use a fan to move the moisture out of the pond) Surface must be clean free of dirt and dust.
If going over other product such as epoxy it will need to be etched or roughed up with a grinder or sandpaper so Dura-Rubber can bond properly.

Concrete by nature is not only very porous product but also has a tendency to retain moisture for a long period of time. Although it may look dry on the surface there actually is a lot of moisture still inside. Moisture content depends on the relative humidity. Cure time will depend on water- cement ratio. A simple test takes an 18-inch by 18-inch clear plastic sheet and put it over the concrete and seal it on all four sides. After 16 hours, if any moisture or darkening of the concrete surface is found, the concrete is too wet for coating. Make sure the sheet does not come in contact with direct sunlight. You can also use a moisture meter. Keep in mind that moisture meters measure the top inch and concrete dries from the top down moisture levels need to be less than 7%.

Repairing Crack in Concrete or Other Mediums (up to "1/4 cracks or gaps) Repairs should be made with an application of followed by an embedded reinforcement fabric, fabric needs to be at least 4" in width, with 2" each direction from repair at all open joints, seams, cracks, holes, or areas of damage as well as at all penetrations, inside or outside corners and at any pan, or threshold that are determined by specification to be part of the waterproof envelope. Application on new wood, concrete, or ferrous metals should follow the same guidelines as repairs with all seams, joints, imperfections, or penetrations, inside or outside corners, pans, thresholds, or surfaces edges or transitions treated with a coat of , imbedded reinforcement cloth and a top-coat of prior to additional coats or final sprayed membrane. This preparation technique will add mil thickness and strength that is in addition to the additional coats or final top-coat - thickness determined by below:

Drying Times:
Drying times are typically:
Prep coat:
Brushed or rolled will be ready to have cloth embedded while still wet and a top coat may be applied.
Dura-Rubber can be sprayed with an airless sprayer.
Make sure fabric is totally saturated with rubber and tight to the surface. This would apply to corners seams and patches. this must dry 4-8 hours depending on the size of crack filled, temperature and relative humidity

Application Coat
Needs to "deep" dry between application coats. This means that because Dura-Rubber is water-based, all water must evaporate out of each application coat prior to the next application coat. Otherwise the rubber will develop small bubbles of fluid between the coats. If you have small bubbles appearing on your project, you need to wait longer between your application coats. Time to dry between applications coats is approximately 3-4 hours - depending on temperature and relative humidity.

"Curing" or "Vulcanization" Times
You will notice the product is dry to the touch with-in a few hours, and will be waterproof. However, the rubber is still going through a very important process called "Vulcanization" - this is the process where the rubber becomes one single membrane and can contain water on a continuous basis. The process of "Vulcanization" takes 7 days. You do not want to expose coating to chemicals or continuous water saturation until the vulcanization process is complete.
If you have a question about your specific applications please do not hesitate contacting us either via the phone, e-mail or our live online support chat. We are here to help!

Optimal vs. Acceptable Humidity Levels
Optimal relative humidity (RH) levels for exterior applications tend to be in the 40-50% range or lower.
Levels of 70% or greater will "drastically slow drying and curing," but again will not prevent you from applying.
Applying above a RH level of 85% is strongly not recommended. Coating will remain gummy and gel-like until the RH lowers to an acceptable level long enough for it to solidify.

However, because the coating has not been allowed to "level" properly, the texture will remain wavy and otherwise unacceptable.
Temperatures Work With Humidity, Too
One tip is to time your application so that temperatures are on the rise--several hours before the day's peak temperature, which is usually in the late afternoon. High humidity will slow dry time.

You need to build in a head-start by beginning hours before you think it is time to begin:
Even though the temperature was OK at the time of application, the coating can stop coalescing. This permits moisture to get into the uncured paint film allowing certain ingredients to come to the surface when the moisture evaporates, causing surface staining and possible adhesion problems.