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Deep Penetrating Sealer(DPS)
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Repair Mortar Overlay (RMO)
Top Seal(TS)

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Brief Introduction:
GOODCRETE RMO is a proprietary admixture designed to be used as a modifier for Portland cement. It gives Portland cement unusual and unique properties not obtainable from other admixtures or modifiers.  GOODCRETE RMO contains proprietary copolymer components, which induce cross linking in the presence of Portland cement, producing a chemical as well as mechanical bond both adhesively and cohesively.


1. Superior adhesive strength.
2. Flexibility without fatigue.
3. Superior freeze-thaw capabilities.
4. Waterproofs and seals.
5. Excellent primer/bond coat for secondary coatings & systems.
6. Weather, abrasion and UV resistant.
7. Easy to apply, clean with water.
8. Non-toxic, environmentally friendly.
9. Non-reemulsifiable waterborne copolymer.
10. Creates virtually any type of surface texture.


Construction Guidline:

All concrete, wood, asphalt, masonry, metal and other surfaces must be structurally sound, clean and
free of coatings, curing compounds, dirt, oils, grease, laitance, efflorescence, mildew, fungus, or any
contaminant that prevents good adhesion.Remove coatings & contaminants using approved methods
such as shot blasting, sand blasting or high pressure water


Concrete Surfaces:
Allow new concrete to cure a minimum of 72 hours prior to application.


Wood Surfaces:
Surfaces must be secured with screws to the structure, and all holes, seams and cracks shall be
filled and then reinforced using anti-alkaline reinforcing fabric.


Hairline Cracks:
Minor cracks or spalls do not require pre-filling. GOODCRETE RMO made into a flowable "Squeegee"
mix will penetrate the cracks and substrate surface creating better adhesion than drier patching mixes.
Another method is to pour the Squeegee mix directly into the cracks, voids, and spalled areas and
allow to self level.


Larger Cracks:
Depending on the extent of cracking, an anti-alkaline ,reinforcing fabric should be embedded into the
Squeegee mix. Refer to Squeegee Mix Application Guidelines.


Asphalt Surfaces and Cracks:
Surfaces and cracks must be completely dry prior to application. GOODCRETE RMO makes an excep
tional repair mortar for asphalt cracks.
Note: Do not use immediately over Hot mix asphalt applications.


Questionable Surfaces:
Chalky, dusting, and pigmented surfaces should be pre-treated with GOODCRETE DPS and RMO
and allowed to cure for 24 hrs. Prime areas with (1) part GOODCRETE RMO to (1-2) parts of clean
water immediately prior to application of squeegee mixes, overlays & Patches.

Expansion Joints:
Existing expansion joints should always be maintained. Previously filled joints should be masked off
prior to application. Unfilled expansion joints should be treated using two (2) brush applications of
RMO Squeegee Mix to the joint surface to provide a continuous waterproof surface. When dry,
expansion joints can be filled with an approved joint compound.

Mixing Equipment:
â—†Drill and mixing paddle
â—†Mortar mixers or Transit mixers
â—†Cement trucks


Application Equipment:
â—†Straight edge
â—†Fresno trowel
â—†Drag box
∙ Asphalt emulsion sprayer


Cure Time:
GOODCRETE RMO cement mixtures may be opened up to normal traffic after the first 12-24 hours
and can normally be coated 24 to 48 hours after application. For interior applications or those not in direct sunlight, allow 72 hours prior to overcoating.


Coverage Rates:
Coverage rates vary according to design mix, porosity and profile of surface. For example: Five
gallons of GOODCRETE RMO, mixed per standard Squeegee Mix instructions, will yield 46 gallons
of mix. Using # 60 mesh sand and applying the mixture with a "squeegee" will yield approximately
2,000 square feet per coat. Finer grades of sand can increase the yield.


Do not apply GOODCRETE RMO when surface and ambient temperatures are expected to fall below
50°F within 12 hrs.
Do not apply when precipitation is expected within 24 hours following completion of application.


Packing: 5 US Gallon/Pail, 55 US Gallon/Pail, or 20KG/Pail, 220KG /Pail.

Storage Life: 1 year unopened.



Email: Linda@goodcrete.com
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