Cromar Rubber Coat
- Suitable For: creating a waterproof membrane
- Area of use: EXT
- Application Method: brush/roller
- Volume: 3.78L, 18.9L
- Container Type: tin
- Type: waterproofing
- Colour: black
- Brand: Cromar
- Manufactuer: Cromar
- Box Size: 1
CROMAR RUBBER COAT is a high-performance, brush, roll-on, or sprayable coating designed for use on a variety of surfaces, including concrete, wood, brick, and metal, creating a durable, seamless, waterproof membrane. It contains no solvents, is non-flammable, and is unaffected by sunlight, making it an ideal choice for challenging waterproofing projects. Suitable for both interior and exterior applications, it can be used on steel and various waterproofing needs, such as bathrooms, basements, roofs, rain gutters, skylights, pipes, balconies, decks, planter boxes, shower pan liners, ponds, and more.
Key Points:
- Versatile Application – Can be applied by brush, roller, or spray on multiple surfaces.
- Durable & Flexible – Forms a seamless, flexible waterproof membrane with excellent resistance to cracking, peeling, and impact.
- Environmentally Safe – Water-based, with zero VOCs, and non-flammable.
- High Resistance – Excellent UV, chemical, and freeze/thaw resistance.
Coverage: Coverage varies depending on substrate conditions and the application method or thickness. Typically, the coverage range is 15-20 sq. ft. per gallon (3.78L).
For more in our range of waterproofing, please click here. To shop our full Cromar range, click here.
Alternatively you can visit the Cromar website by clicking here.
RUBBER COAT is designed for application on stationary surfaces such as concrete, masonry, metal, and wood. It is ideal for interior use on concrete, masonry, tile, wood, and drywall. This versatile product offers a wide range of residential and commercial solutions, including applications on ICFs, car washes, RVs, shower liners, containment areas, balconies, flashings, curbs, skylights, flat roofs, foundation walls, gutters, vents, ponds, and more.
Application Tools:
RUBBER COAT can be applied using a roller, paintbrush, or hydraulic piston sprayer.
Surface Preparation:
Ensure the surface is clean, dry, stable, and free from spalling, efflorescence, dust, dirt, oils, surface flaking, poorly bonded or glossy paint, sealers, salts, and other contaminants that may impact adhesion and performance.
- New Concrete: Allow a minimum of 30 days curing time before applying RUBBER COAT.
- New Masonry Surfaces: Cure for at least 48 hours prior to application.
- Exterior Surfaces: Power wash with at least 1500 psi to remove surface contaminants.
- Interior Concrete Surfaces: Scrub with trisodium phosphate (TSP).
- Wood Floor Surfaces: Vacuum thoroughly and wipe clean.
Mixing:
Generally, the product does not require stirring before application.
RUBBER COAT Application:
Ambient temperatures should be between 5ºC and 35ºC during application and for 24 hours afterward. Avoid hot, direct sunlight and do not apply over coal tar or solvent-based adhesives.
Cure Time:
At 25°C and 50% humidity, RUBBER COAT cures fully in 24-48 hours. Cure time increases with thicker coats, colder temperatures, or higher humidity, so environmental conditions should be considered.
Clean-Up:
Clean tools with soap and water before the product cures. Baby oil can help remove the cured product from hands.
Common Errors:
- Applying too thick: Can cause cracking or skinning over uncured product.
- Inadequate surface preparation: May lead to adhesion issues.
- Applying over saturated materials: Can cause blisters from trapped water vapors.
- Tip: Apply multiple thinner coats instead of one thick coat to build thickness.
Precautions:
- In case of eye contact, rinse with water and consult a physician.
- Wash hands thoroughly after handling.
- Do not ingest. Keep out of reach of children.
- Keep the container closed and away from unprotected food items.
- Store away from freezing. Dispose of unused material according to local guidelines.
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| Elementlength | |||||||
| up to 1,5 m |
up to 2,5 m |
up to 3,5 m |
up to 4,5 m |
up to 2,5 m |
up to 3,5 m |
up to 4,5 m |
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| Type of window frame material |
Minimum witdth of joints for a butled mounting b in mm |
Minimum witdth of joints for a inner mounting b in mm |
|||||
| Hard PVC (white) | 10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Hard PVC and PMMA (dark) (colour extruded) |
15 | 20 | 25 | 30 | 10 | 15 | 20 |
| Hard PUR integral foam | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Wood-aluminium-window | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (bright) |
10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (dark) |
10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Wooden window frame | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
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