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- USA
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
Coprox Waterproof Cement Additive (Prices from)Prevents Rising, Falling & Penetrating Damp Additive to Mortar, Screed, Unreinforced Concrete and Plaster Remedy for Leaks Coprox Waterproof Cement Additive is an excellent primary waterproofing when mixed with mortar, screed, unreinforced concrete or plaster. It is an essential ingredient in the construction of structural, retaining and boundary walls, floors, showers, basements, wine cellars, underground parking, ponds, swimming pools, reservoirs
- Prevents Rising, Falling & Penetrating Damp
- Additive to Mortar, Screed, Unreinforced Concrete and Plaster
- Remedy for Leaks
Coprox Waterproof Cement Additive is an excellent primary waterproofing when mixed with mortar, screed, unreinforced concrete or plaster.
It is an essential ingredient in the construction of structural, retaining and boundary walls, floors, showers, basements, wine cellars, underground parking, ponds, swimming pools, reservoirs and water features for the prevention of rising, falling and penetrating damp.
Coprox Waterproof Cement Additive is also an excellent remedy for the plugging of leaks.
Primary Waterproofing
- Add 2,5 kg Coprox Waterproof Cement Additive to every 50 kg of cement used in any mortar, screed, concrete or plaster mix.
- Ensure recognized building mix ratios are adhered to.
- Mix dry ingredients thoroughly.
- Add required quantity of water to the dry mixture using recognized building mix standards.
- Mix wet ingredients thoroughly before use.
Plugging Leaks
- Dovetail the leaking spot with a chisel to a depth of about 50 mm and clean thoroughly.
- Mix one part Coprox Waterproof Cement Additive with two parts of clean fine plaster or silica sand by volume, e.g. 1 cup Coprox Waterproof Cement Additive to 2 cups sand. Add a little water and mix until a putty like consistency is achieved.
- Wear protective gloves and knead well for about half-a-minute.
- Relieve the main water flow by inserting a piece of hose into the dovetailed cavity.
- Pack the plugging mixture firmly around the hose to keep it in place.
- Level the plugging mixture with the surrounding surface.
- Allow to dry for approximately 1 hour.
- Mix a fresh quantity of plugging mixture.
- Have a dowel stick approximately the same diameter as the hose ready for use.
- Carefully remove the hose using a twisting motion.
- Force the plugging mixture into the hole and apply pressure with the dowel stick for about 1 – 2 minutes.
- Remove the dowel stick.
- Fill the remaining void with the plugging mixture.
- Allow to dry for approximately 2 hours.
- Apply two coats of Coprox Masonry Waterproofing.
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
4.6 ★★★★★
Based on 1646 reviews
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Product Reviews
★★★★★ 5
First Rate Office Printer.
Style: WF-4830, Set: DUAL TRAY (500 sheets)/FAX/ADF/PRINT/COPY/SCAN
This is the second Epson product that we have owned. The previous model was still working after 8 years of dependable service when we replaced it. We tried to move up to an Eco Tank model that we purchased locally. The unit would not connect to our wireless network, so we returned it to the store and purchased this model from Amazon.
The overall quality of the output is just as good or even a little better than our old model. This unit is quite a bit faster that our old unit. The unit was also reduced by 34%, making an excellent buy. The jury is still out if it will be good in the ink usage department. Our old unit seemed to need a new cartridge every other week,
I would purchased this model again,
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Reviewed in the United States on January 4, 2026
★★★★★ 1
Love & Hate at the same time
Style: WF-4830, Set: DUAL TRAY (500 sheets)/FAX/ADF/PRINT/COPY/SCAN
I installed, connected to the internet, everything was smooth and the 1st day I printed doc, scanned, sent air etc etc etc, and it was working absolutely great. Next day started asking to perform updates, then it was disconnected to the air computer, I couldn't scan, I connected a cable directly and it didn't work either, becae a nightmare and as last resource, I had to scan through a usb device and then connect to the computer back and forth. Then next days, it was always for updates, downloading more date on my computer as well update the printer, it is like they are spying everything you do with a printer, I just want to use it to print/scan/copy documents or any other info, if it is working just find the 1st day, why these companies begin with harassing the buyer with all these daily updates or connecting hundreds of things to make it work. It was much easier in the past, you just install the program of the printer with a CD and that was it! I had one of those printers before this one and it worked for 12 consecutive years with NO PROBLEMS whatsoever. And the last problem is that IS NOT WORKING AT ALL, I had to stored the printer computer and all my office equipment for 6 months and I plugged in everything and the printer asked for new cartridges, I took them out and they are still full of ink, my fingers completely colored & stained are witnesses & now it says use Epson Support code error 031006 ?!?!?!?!?! There is not a web/ph/any kind of information where do I need to go, I barely use the printer at all, it still has some of the protection plastic and it is already damaged. What a pain. Seriously they should at least add who or where we can ask for help. Now AGAIN buying a new printer because for sure EPSON IS NOT GOING TO HELP ME :((((
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Reviewed in the United States on March 19, 2024
★★★★★ 5
Easy install
Style: Ink
Reliable, vibrant, and easy to install. The print quality is crisp and professional, which is important for my presentations, workshops, and business materials. No smudging, no issues — just dependable performance. Definitely worth keeping on hand.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Good product, could be cheaper
Style: Ink
Always buy factory. Price isn't bad.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Reliable Product
Style: Ink
Good color. Easy to use. A little expensive.
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Reviewed in the United States on May 30, 2026