---
product_id: 55657115
title: "523856 Express Mortar Cement Grey"
brand: "fischer"
price: "£6.53"
currency: GBP
in_stock: true
category: "Fischer"
url: https://www.desertcart.co.uk/products/55657115-523856-express-mortar-cement-grey
store_origin: GB
region: United Kingdom
---

# Paintable after curing Ready-to-use, no pre-mixing Works in any weather, even moist surfaces 523856 Express Mortar Cement Grey

**Brand:** fischer
**Price:** £6.53
**Availability:** ✅ In Stock

## Summary

> 🔧 Fix it fast, fix it smart — the pro’s choice for effortless mortar mastery!

## Quick Answers

- **What is this?** 523856 Express Mortar Cement Grey by fischer
- **How much does it cost?** £6.53 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/55657115-523856-express-mortar-cement-grey)

## Best For

- fischer enthusiasts

## Why This Product

- Trusted fischer brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Finish:** Light grey color blends naturally and can be painted over for a flawless look.
- • **Compact & Convenient:** 310 ml tube fits standard skeleton guns for precise, mess-free application.
- • **All-Weather Reliability:** Bond confidently indoors or outdoors, rain or shine, even on damp surfaces.
- • **Universal Compatibility:** Perfect adhesion on brick, ceramic, concrete, and wood—versatility that matches your projects.
- • **Instant Application, Zero Prep:** Skip the hassle—pre-mixed formula saves you valuable time on every project.

## Overview

Fischer 523856 Express Mortar Cement Grey is a pre-mixed, ready-to-use resin-based mortar designed for quick repairs and bonding on a variety of materials including brick, ceramic, concrete, and wood. Its water-resistant formula works reliably in any weather and on moist surfaces, while the light grey color blends seamlessly and can be painted over after curing. Packaged in a convenient 310 ml tube compatible with standard skeleton guns, it offers professional-grade performance with minimal prep.

## Description

From the manufacturer

## Features

- Contains a mixture of 5-Chlor-2-methyl-2H-isothiazol-3-on und 2-Methyl-2H-isothiazol-3-on (3:1) (CIT/MIT). May produce an allergic reaction.
- Safety data sheet available on request.
- Saves time as pre-mixing is not necessary
- Suitable for indoor and outdoor use
- Ready for use in easy to handle 310 ml tube, use with standard skeleton gun
- Can be painted over after curing
- Processing in any weather The mortar also bonds on moist base materials

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00XLEGPLU |
| Best Sellers Rank | 757 in DIY & Tools ( See Top 100 in DIY & Tools ) 4 in Cement |
| Brand | fischer |
| Colour | Grey |
| Compatible Material | Brick, Ceramic, Concrete, Wood |
| Country Of Origin | Germany |
| Customer Reviews | 4.1 4.1 out of 5 stars (3,984) |
| Global Trade Identification Number | 04048962192469 |
| Item Dimensions | 23 x 5 x 5 centimetres |
| Item Form | Liquid |
| Item Weight | 299 g |
| Manufacturer | fischer |
| Manufacturer Part Number | 523856 |
| Material | Resin |
| Model Number | 523856 |
| Number of Items | 1 |
| Style Name | Compact |
| Surface Recommendation | Roof |
| Unit Count | 1.0 count |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** fischer
- **Item dimensions L x W x H:** 23 x 5 x 5 centimetres
- **Item weight:** 299 g
- **Material:** Resin
- **Style:** Compact

## Images

![523856 Express Mortar Cement Grey - Image 1](https://m.media-amazon.com/images/I/61VOOXUq3BL.jpg)

## Available Options

This product comes in different **Pattern** options.

## Questions & Answers

**Q: I found a hole near my back door leading into my kitchen where a mouse has escaveted to get in. Will this work to plug in the hole both inside and out**
A: Yes.  Should work perfectly for that.

**Q: Will this be ok to fill in a plug hole in an old sink to make a wild life pond?**
A: Yes it will but it has to be a ceramic sink "Belfast sink" not a stainless steel sink , just make sure that you have a piece of board under the plug hole too help with forming the seal and plug. It  will dry in six hours maybe longer can't remember the instructions on the tube.

**Q: Hi, what's the expiry date or shelf life?**
A: Mine is 11 Jan 2022,haven’t used it yet.

**Q: Would this be any good for a Patio slab come loose ? Tia**
A: It works out expensive for big tasks like Patio slabs. A bag of mortar from your local DIY store would probably do the job better.

## Frequently Bought Together

- Fischer 523856 Express Mortar Cement Grey
- fischer 523858 Express Cement-Sand
- Faithfull FAISGTPT6 Soft-Grip Pointing Trowel 150mm (6in)

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**Shop now:** [https://www.desertcart.co.uk/products/55657115-523856-express-mortar-cement-grey](https://www.desertcart.co.uk/products/55657115-523856-express-mortar-cement-grey)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-22*