# UINIHIDI Concrete Crack Filler, 4 x 500g

UINIHIDI Concrete Crack Filler is a four-pack of grey sealant for concrete crack repairs. The listing describes it as self-levelling and flexible, with claimed waterproofing and a 24-hour initial hardening time followed by a 48-hour full cure. Those timings are useful for planning, but do not indicate when a repaired surface can be used under particular conditions.

- [Original product page](https://bargainpostbox.co.uk/product/uinihidi-concrete-crack-filler-4-x-500g)
- [View offer](https://bargainpostbox.co.uk/visit/uinihidi-concrete-crack-filler-4-x-500g)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: UINIHIDI
- Category: Tools & Garden > Hardware & Building Materials
- Price: 23.97 GBP
- Previous price: 39.99 GBP
- Discount: 40%
- Price checked: 2026-11-14T19:26:00.255Z
- Rating: 4.6 / 5
- Reviews: 61

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Self-levelling formula is claimed to flow into cracks for a flush finish.
- The listing describes the filler as flexible and suitable for concrete, cement, brick and stone.
- Claimed uses include driveways, patios, walkways, pool decks, garages and floors, indoors or outdoors.
- The listing says no mixing is required.

## Pros

- Four 500g units provide a stated total of 2000g for multiple repairs or a larger project.
- A stated 24-hour initial hardening time and 48-hour full cure time help with project scheduling.
- The claimed self-levelling application may suit horizontal cracks where a flush finish is wanted.

## Specifications

### Identity and quantity
- Brand: UINIHIDI
- Number of items: 4
- Colour: grey
### Application and protection
- Recommended surface: Concrete
- Water resistance listed: Waterproof
- Initial hardening time: 24 Hours
- Full cure time: 48 Hours

## Before you buy

- The listing claims use on concrete, cement, brick, stone, asphalt and mortar, while its specific surface recommendation names concrete. Confirm suitability for the actual repair surface and follow the product instructions for application and reopening the area.

## In the box

- Concrete crack filler, 4-pack \(500g x 4\) (Included)

## A good fit for

- DIY users repairing small cracks in concrete patios, driveways, walkways or garage floors.
- Buyers who prefer a ready-to-use, self-levelling filler supplied in four units.

## Less suited to

- Repairs where suitability for a surface other than concrete must be established before purchase.
- Projects that require a guaranteed reopening time or independently verified weather and temperature performance.

## Customer feedback

Customer feedback describes the filler as effective on small patio and driveway cracks, easy to apply, quick to set, and of good perceived quality and durability. This is relevant for small DIY repairs, though customer impressions do not establish performance on every surface or confirm a specific reopening time. Aggregate ratings are mostly in the five-star category, but include some lower ratings, so experiences are not uniform.
- Positive themes: Customers describe it as effective for small patio and driveway cracks.
- Positive themes: Feedback mentions ease of application, quick setting, quality and durability.

## Frequently asked questions

### How many units are included?
The listing states four units and identifies the pack as 500g x 4, with a listed unit count of 2000.0 gram.
### How long does it take to cure?
The listed initial hardening time is 24 Hours and the full cure time is 48 Hours. The listing does not specify when a treated area can be used in particular conditions.
### Which surfaces is it intended for?
Concrete is the stated surface recommendation. The listing also claims compatibility with cement, brick, stone, asphalt and mortar, so confirm the product instructions for your repair surface.
### Is it suitable for outdoor repairs?
The listing claims indoor and outdoor use and describes the filler as waterproof and all-weather. These are product claims rather than independently verified performance.

## Alternative options

- [Concrete Crack Filler 500g, High Elasticity, Waterproof & Quick Drying \| Self Leveling Cement Crack Sealer for Asphalt, Mortar,Joint, Driveway,Walkway, Concrete Repair Sealant for Indoor/Outdoor Use](https://bargainpostbox.co.uk/visit/uinihidi-concrete-crack-filler-4-x-500g)
- [Concrete Crack Filler, 2.65LB High Elasticity Cement Crack Repair Sealant \| Slab Concrete Waterproof Repair Sealant for Driveways, Walkways, Patio, Joint, Indoor and Outdoor Quick Drying Sealer - Grey](https://bargainpostbox.co.uk/visit/uinihidi-concrete-crack-filler-4-x-500g)
- [Concrete Crack Filler, 500g Elasticity Self-Leveling Cement Crack Filler \| Magic Crack Filler for Concrete Driveway, Walkway, Patio, Tile, Joints – Waterproof, Crack Resistant & Quick Curing, Grey](https://bargainpostbox.co.uk/visit/uinihidi-concrete-crack-filler-4-x-500g)
- [Waterproof Concrete Crack Filler & Sealant,Concrete Crack Repair Adhesive \| Fast-Drying Self Leveling Crack Sealant,Complete Repair Kit with Nozzle,Scraper,Gloves for Driveways,Walkways & Patios](https://bargainpostbox.co.uk/visit/uinihidi-concrete-crack-filler-4-x-500g)
- [Concrete Repair Filler, Self Levelling Waterproof Crack Sealant, 100g \| Practical concrete repair filler with a precision nozzle for targeted crack filling and a smoother self levelling finish.](https://bargainpostbox.co.uk/visit/uinihidi-concrete-crack-filler-4-x-500g)
- [Heavy-Duty Cement Filler,100g Waterproof Concr/ete Cra/ck Adhesive \| 2\*100G Heavy-Duty Concrete Crack Filler Outdoor,Waterproof Cement Filler & Brick Filler,Quick Drying Concrete Repair Sealant](https://bargainpostbox.co.uk/visit/uinihidi-concrete-crack-filler-4-x-500g)
- [3 Pcs Waterproof Concrete Crack Filler & Sealant, Concrete Crack Filler Easy DIY Application for Driveways, Walkways, Patio, Indoor & Outdoor](https://bargainpostbox.co.uk/visit/uinihidi-concrete-crack-filler-4-x-500g)
- [Concrete Crack Filler, Heavy-Duty Cement Crack Filler, Self Leveling Concrete Sealer for Driveway, Walkway, Patio, Waterproof Outdoor Caulking Glue, Grey, 250g](https://bargainpostbox.co.uk/visit/uinihidi-concrete-crack-filler-4-x-500g)
- [Asphalt Crack Filler, 2.65LB High Elasticity Concrete Crack Repair Sealant \| Self Leveling Waterproof Repair Sealant for Driveway, Walkway, Blacktop Concrete Joint, Outdoor Quick Drying Sealer - Black](https://bargainpostbox.co.uk/visit/uinihidi-concrete-crack-filler-4-x-500g)
- [Stormdry XR-Mortar \(310ml x 2 Grey\) - Ready Mixed Cement & Repair Mortar \| Waterproof Express Pointing & Masonry Crack Filler for Brick, Stone & Concrete](https://bargainpostbox.co.uk/visit/uinihidi-concrete-crack-filler-4-x-500g)
- [YKF Concrete Crack Filler, Self-Levelling Flexible Grey Sealant, 2 x 500g \| Ready-To-Use Water-Resistant Repair For Indoor And Outdoor Horizontal Concrete Cracks In Driveways, Patios And Garage Floors](https://bargainpostbox.co.uk/visit/uinihidi-concrete-crack-filler-4-x-500g)
- [Polar LeakFix Liquid Rubber - Rubberised Roof Sealant - Grey - 5L \| One-Coat Rubber Waterproof Sealant - Leak & Crack Repair for Roofs, Gutters & Drainpipes - UV Resistant - No Primer Needed](https://bargainpostbox.co.uk/visit/uinihidi-concrete-crack-filler-4-x-500g)

## Images

![UINIHIDI Concrete Crack Filler, 4 x 500g — 1](https://bargainpostbox.co.uk/i/aMa5oqA0nlfjv5R7FfyjnnL4mwUxHbO58pGLfVgzZljdoJTV9PHpJFBfr8_XJ8bmDTLy9V4WwUZQ4Q8mRrCKFkGiOGQZGzx2XFC5S9-474n9X5WY-5N6.jpg)

![UINIHIDI Concrete Crack Filler, 4 x 500g — 2](https://bargainpostbox.co.uk/i/l_UzcBbHlrIoavLdSnCqWtvy_pRleKgRfF7BWa8NsJCtM3n5Ur1BYQvoJ3gBeocBOIUvNBMsCM0uF1LrDuX7WFaHkLl3duj5NVj8urG9OwwzSikVeBwU.jpg)

![UINIHIDI Concrete Crack Filler, 4 x 500g — 3](https://bargainpostbox.co.uk/i/5gcpw0KYskbPL10mjWGXFVOLh9DH7gLfX4tssQonKZYf6WA1L_XDMjMe99eFJ5hPy8riPy78l4qaTnvQAb1VO5dh6EQb6D0GYiu7Fw9Ab1AHjwO2au5s.jpg)

![UINIHIDI Concrete Crack Filler, 4 x 500g — 4](https://bargainpostbox.co.uk/i/1kSxgCeVeEQUK7zNSBb0Xs6Qbi1-NAC2sxnzn0KtZ1CtfKRdzhfIZUcULdqcXIOBo8ejrm_gC85kAqw7OKYRf71fRNoU_FTneUXxGqR--r5W7GpDr95E.jpg)

![UINIHIDI Concrete Crack Filler, 4 x 500g — 5](https://bargainpostbox.co.uk/i/GVQIUlEEpDY_Saq0iWpCNm8cdGOT5F5S2AXwzEvHUCotcu4QfKY5XKb6uwsSEcDJ-A06yEEnOOIMNMSoS-3KeGwQ401y22EpjmpQ0g9g_XQ4vMuedszW.jpg)

![UINIHIDI Concrete Crack Filler, 4 x 500g — 6](https://bargainpostbox.co.uk/i/-3xH1nilQ5ZQyYBHBsapGLOw1SFWbzP8xOfgnKqweIsUOjXMeU5t_ELtmSCCKFQJMuBw2x9b0_Jv8oo3GHXNnybgCnz31zmUxSeJ_tfkDgOQu6rjnUdK.jpg)

![UINIHIDI Concrete Crack Filler, 4 x 500g — 7](https://bargainpostbox.co.uk/i/Z8SkB-D75QhWmfdKh0ttysLXeSmP-IhgwODgLI0noPb5AfPezjHwZs6a8s4Dp5Yg2lNdk4XD2b5zMeqyyPKRMluIie3Jij1KK35zpJXwEtpokCTSfwIx.jpg)