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Dicor Rubber Roof Cleaner/Activator, Quart

Catalog Item # 32150
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$41.19   SAVE $11.15 (27%)
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Improves bonding of acrylic coating to new or weathered rubber roof surfaces.
The EPDM Roof Cleaner/Activator is the first part of a two-part, commercial grade system that combines the cleaner/activator with our acrylic coating. The cleaner/ activator prepares the roof while the acrylic coating provides an excellent, long-lasting protective barrier. The two together form a "lock and key" effect to bond the coating tight to the old roofing.

In addition, the 2-part coating system:

  • Extends the life of your EPDM rubber roof
  • Saves more than 25 percent in labor compared to competing products
  • Has a 1 quart to 125 square feet coverage rate
  • Dries quickly
  • Contains no harmful petroleum distillates, harsh abrasives or citric ingredients that can cause irreparable harm
Made specifically for your RV EPDM rubber roof, the conveniently packaged cleaner/activator is ready to use and easy to apply. It is recommended that this product not be used with other acrylic coatings since without the “lock and key” effect, adhesion will not be improved.

Recommended Unit Preparation: Designed for use on rubber roofing surface only and may damage other exterior parts of RV. It is highly recommended that you secure plastic sheeting over entire sidewalls as well as front and rear endcaps to protect them from possible damage. If it contacts any surface other than roof, it should be rinsed immediately.

Surface Preparation: Remove heavy deposits of dirt, leaves, pine needles and other debris using a broom or air blower. Any rocks, branches, or other large objects should also be removed. Can be applied directly over EPDM surfaces containing residual amounts of dirt, dust and other contamination.

Application: It can be applied using a Hudson-type agricultural sprayer. Safety glasses with side shields and latex gloves are recommended when transferring from the shipping container to the sprayer. Spray a fine mist that leaves roof damp. Adjust spray for weather conditions if necessary. If the cleaner is running off roof, you have used too much. If using a Hudson sprayer, adjust the spray nozzle to achieve a uniform spray pattern with a 3 to 4 foot arc. Application rate is 125 sq. ft. per quart over new or existing surfaces. Do not apply below 40°F (4°C).

Allow cleaner to stand a minimum of 5 minutes to wet out and react with the EPDM surface. RINSE WITH CLEAN WATER. For best results, use a minimum 2,000 psi pressure washer. Using a 15” spray pattern, begin the power rinse at the lowest point on the roof and work upwards, keeping the pressure washer tip within 12" of the EPDM surface. Once the highest point on the roof is reached, work down again with a final rinse to remove any excess dirt or debris from the roof. If power washer is unavailable, use medium bristle brush, working smaller area at a time, rinsing thoroughly to be sure all cleaner/activator has been removed.

After cleaning, the roof should be “white” in color, which is an indication that the surface has been chemically altered.


Clean equipment with water and biodegradable detergent. Purge the water from the pump.

DANGER: CAUSES SEVERE IRRITATION OF THE EYES, CAUSES GASTROINTESTINAL IRRITATION, NAUSEA, VOMITING AND DIARRHEA, BURNS MOST SKIN. Prolonged or repeated breathing of vapor or spray mist may be harmful. Use a respirator for protection from vapor or spray mist. Wear chemical resistant gloves, splash proof goggles and rubber overshoes. Avoid eye and skin contact. Do not take internally. Wash thoroughly after handling and before eating or smoking. Keep container closed when not in use.

FIRST AID: If swallowed, do not induce vomiting. Call a physician immediately. Never give anything by mouth to an unconscious person. In case of contact, flush eyes and skin with plenty of water for 15 minutes while removing contaminated clothing and shoes. For eye contact, consult a physician. If skin irritation persists, get medical attention. Wash clothing before reuse. Clean contaminated shoes. If inhaled, move to fresh air. Give oxygen or artificial respiration as needed. Call a physician immediately.

Shipping could be delayed in the case of extreme weather/temperatures to ensure product quality.

Technical Specs

Tech Specs

Weight: 2.2 lbs.

Manufacturer: Dicor Corp

Mfg Part #: RP-CRP-Q

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Dicor Rubber Roof Cleaner/Activator, Quart: Customer Reviews

Camper's Choice Rating

(5 Based on 7 Reviews)

Easy to use (1)

Reviewed by 7 customers


Primer Cleaner

0 out of 0 people found this review helpful.
August 10, 2011
I did this with a Sprayer, Stiff Brush and a Garden Hose. Using my power washer seamed too excessive for a fragile rubber roof. It came out perfect.
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Primer Cleaner

0 out of 0 people found this review helpful.
February 22, 2012
I applied it with a fine mist from a small garden sprayer, and removed it with a scrub brush and garden hose. It cleaned extremely well. (My roof started out dark grey and it cleaned to dirty white.) My trailer roof is 216 sq. ft. so I ordered two quarts of the cleaner. However, we ran out before we finished. If your square footage is anywhere near the recommended limit, I suggest that you buy an extra quart of this cleaner. I am glad I draped my trailer in plastic because the rinse water was very dirty. I have a good wax job on my trailer so the few drips and runs that got past the plastic wiped up with a wet sponge.
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Dicor Rubber Roof Primer/Cleaner and Paint

0 out of 0 people found this review helpful.
August 29, 2012
This product is great - after applying the primer/cleaner and rinsing off the paint was so easy to apply and after two coats of paint looks like a new roof. Very happy with results. But if you drape your whole camper so that product does not get splashed on the sides when rinsing it can take a lot of time. But results are well worth it.
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Q & A

Product Question & Answer

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Can this be applied with a sponge or something other than spraying it on?
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