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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27
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Description
Coprox Waterproof Crack Filler (Prices from)Suitable for Brick, Mortar, Screed, Concrete and Plaster Interior & Exterior Excellent Strength & Adhesion Coprox Waterproof Crack Filler is suitable for interior and exterior applications. It mixes easily with water, has excellent strength and adhesion and can be applied in layers of up to 6 mm. It is easily sanded to a smooth finish and does not crumble or crack when drilled. INSTRUCTIONS Suitable Surfaces Mortar, screed, concrete and plaster.
- Suitable for Brick, Mortar, Screed, Concrete and Plaster
- Interior & Exterior
- Excellent Strength & Adhesion
Coprox Waterproof Crack Filler is suitable for interior and exterior applications. It mixes easily with water, has excellent strength and adhesion and can be applied in layers of up to 6 mm. It is easily sanded to a smooth finish and does not crumble or crack when drilled.
- Mortar, screed, concrete and plaster.
- Cement and clay bricks.
Other surfaces should first be tested for suitability.
Mixing
Sprinkle 5 kg Coprox Waterproof Crack Filler slowly into 1,75 litres of clean water stirring constantly until a smooth paste-like consistency is achieved. Use within 30 minutes.
Filling Cracks
- Wet cracks, holes and indentations with clean water.
- Fill the cracks, holes and indentations using a scraper or putty knife.
- Apply to a depth not exceeding 6 mm. For deeper cracks, holes or indentations, apply in 6 mm layers after each layer has been allowed to dry.
- Even out the crack filler level with the surrounding surface.
- Allow to dry for at least 4 hours (drying times may be longer in cold or wet weather) before sanding, drilling or painting. Apply a universal undercoat before over painting.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
It’s good
Size: 300A Fuse Holder
It does it’s job.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2026
★★★★★ 4
Cover too loose.
Size: 300A Fuse Holder
Nice looking, decent quality, versatile for different gauges. My only complaint with this holder is the cover doesn’t stay on very well, bought 3, and all 3 pop off easily, you will need to zip tie on.
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Works as it should.
Size: 300A Fuse Holder
I’ve had several of these in my build for over a year now. Zero issues.
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Reviewed in the United States on December 3, 2025
★★★★★ 5
Good brand
Size: 300A Fuse Holder
Good product
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Reviewed in the United States on November 5, 2025
★★★★★ 5
Solid choice for fuse holder
Size: 300A Fuse Holder
It’s awesome, solid connections for running 0 gauge wire. No issues after using for months! Might upgrade to using 0 gauge wire ferrules to use with this but for now everything is working well.
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Reviewed in the United States on January 14, 2026