YES, I repaired holes and cracks in exterior steps a few months ago and I have not had a problem.

Can I use this for laying edging stones

You can but it dries white and does not look great.

Is this 5 kg or 10kg - tub shows 5kg - description says 10kg?

10kg. Hard to mix 2.5lts of water into this tub even though v large, I'd suggest a mixer or doing jobs in increments with a separate container.

Is this good for over soil and under artificial grass? Will it last?

I think it would crack for that purpose. I would try sand if you need to level the ground under artificial grass.

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Bostik Rapid Setting Cement 10kg - Fast-Setting 20 Minute Waterproof Repair Mortar - Ready Mixed, Just Add Water - Strong & Durable - For Drain Repairs & Concrete Fixing - Indoor & Outdoor Use

Bostik Rapid Setting Cement 10kg - Fast-Setting 20 Minute Waterproof Repair Mortar - Ready Mixed, Just Add Water - Strong & Durable - For Drain Repairs & Concrete Fixing - Indoor & Outdoor Use

Product ID: 49998705

Details

Brand
Bostik
Item form
Powder
Material
Cement
Special feature
Waterproof
Specific uses for product
Craft

⏳20-min rapid set

💧waterproof & weatherproof

🏗️high-strength bond

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₪948

Duties & taxes included

In stock

Sold byAmazon IsraelDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⏳💧 Fix it fast, fix it right—because time and durability wait for no one.

VERSATILE FIX IT POWER - Perfect for everything from pipe seals to concrete patching.
INDUSTRIAL GRADE STRENGTH - Durable enough for drains, patios, and structural fixes.
READY TO MIX ZERO HASSLE - Just add water and apply—no guesswork, no mess.
WATERPROOF WEATHERPROOF - Reliable performance indoors and outdoors, rain or shine.
LIGHTNING FAST 20 MINUTE SET - Get emergency repairs done before your coffee cools down.

Bostik Rapid Setting Cement is a premium 10kg fast-setting mortar that cures in just 20 minutes, offering a waterproof, high-strength repair solution for both indoor and outdoor concrete and drain fixes. Simply add water to the ready-mixed powder for a smooth, durable finish ideal for emergency repairs, structural patching, and versatile DIY projects.

Specifications

ASIN	B01D8FRG9Q
Best Sellers Rank	59 in DIY & Tools ( See Top 100 in DIY & Tools ) 1 in Cement
Brand	Bostik
Colour	Grey
Compatible Material	Concrete
Container Type	Pail
Customer Reviews	4.5 out of 5 stars 7,496 Reviews
EU Spare Part Availability Duration	20 Minutes
Full Cure Time	24 Hours
Global Trade Identification Number	05010591540163
Included Components	1x Bostik Cementone Rapid Setting Cement, Colour: Grey, 10kg
Item Form	Powder
Item Package Quantity	1
Item Type Name	Bostik Cementone Rapid Setting Cement
Item form	Powder
Manufacturer	Bostik
Manufacturer Part Number	30812809
Material	Cement
Model Number	30812809
Number of Pieces	1
Other Special Features of the Product	Waterproof
Product Warranty	No guarantee
Special feature	Waterproof
Specific Uses For Product	Craft
Specific uses for product	Craft
Unit Count	10000.0 gram
Viscosity	High Viscosity
Viscosity Level	High
Water Resistance Level	Waterproof

Reviews

M**L

12.10.2023

E**R

25.10.2021

A**T

9.07.2023

R**B

26.04.2026

D**N

22.03.2026

M**L

9.08.2025

M**U

26.04.2026

R**E

15.06.2025

K**L

9.09.2018

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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