---
product_id: 583369093
title: "SX Siroflex Mortar Repair Cement Buff, 300ml"
brand: "siroflex"
price: "€ 12.55"
currency: EUR
in_stock: true
category: "Siroflex"
url: https://www.desertcart.pt/products/583369093-sx-siroflex-mortar-repair-cement-buff-300ml
store_origin: PT
region: Portugal
---

# water-resistant & adheres to damp surfaces fast curing in 5+ hours 300ml ready-to-use cartridge SX Siroflex Mortar Repair Cement Buff, 300ml

**Brand:** siroflex
**Price:** € 12.55
**Availability:** ✅ In Stock

## Summary

> 🧱 Fix it fast, fix it flawless — your masonry’s new best friend!

## Quick Answers

- **What is this?** SX Siroflex Mortar Repair Cement Buff, 300ml by siroflex
- **How much does it cost?** € 12.55 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/583369093-sx-siroflex-mortar-repair-cement-buff-300ml)

## Best For

- siroflex enthusiasts

## Why This Product

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

## Key Features

- • **Quick Set & Clean:** Cures in just 5 hours; tools and hands wash off easily with water.
- • **Pro-Level Application:** V-shaped nozzle and high-viscosity paste deliver clean, controlled fills.
- • **Universal Surface Grip:** No primer needed; bonds seamlessly to concrete and most masonry.
- • **Weatherproof Durability:** Water-resistant composition ensures lasting repairs indoors and out.
- • **Effortless Precision Repair:** Ready-to-use formula eliminates mixing—just cut, apply, and fix.

## Overview

SX Siroflex Mortar Repair Cement Buff is a 300ml ready-to-use, high-viscosity mortar paste designed for quick, durable masonry repairs. It adheres strongly without primer, works on damp surfaces, and cures in just over 5 hours. Ideal for professional-grade small joint repairs, it offers water resistance and easy cleanup, making it perfect for both interior and exterior applications.

## Description

SX Siroflex Mortar Repair Cement Buff, 300ml | Ready to Use Formula, Repairs Damaged Masonry Joints, Adheres to Damp Surfaces For Interior & Exterior Use : desertcart.co.uk: Health & Personal Care

## Features

- Contains reaction mass of 5-chloro-2-methyl-2H-isothiazol-3-one and 2-methyl-2H-isothiazol-3-one (3:1) [C(M)IT/MIT] & 1,2-benzisothiazol-3(2H)-one [BIT]. May produce an allergic reaction.
- Safety data sheet available on request.
- READY TO USE MORTAR - Ideal for small pointing work and removes the need to mix sand and cement.
- NO PRIMER REQUIRED - Adheres well to most surfaces without the need for a primer.
- EASY TO APPLY - Cut the cartridge seal, attach the supplied V shaped nozzle, and use a good quality applicator gun, as the material can be firm when applied directly from the cartridge.
- APPLICATION TIPS - Apply only in dry conditions and keep the surface dry for at least five hours to allow correct curing.
- TEMPERATURE REQUIREMENTS - Both the product and the substrate must be above 5°C for best results.
- EASY TO CLEAN - Tools and hands can be cleaned easily with water.
- CONTENTS - 1x SX Siroflex Contractors Mortar Repair Cement, 300 ml, Buff

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CN3LC8QM |
| Best Sellers Rank | 596 in DIY & Tools ( See Top 100 in DIY & Tools ) 2 in Cement |
| Brand | Siroflex |
| Colour | Buff |
| Compatible Material | Concrete |
| Container Type | Cartridge |
| Customer Reviews | 4.2 4.2 out of 5 stars (1,363) |
| Included Components | 1 x SX Buff Mortar Repair Cement 300ml |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Type Name | Siroflex Mortar Repair Cement Buff 300ml |
| Item Volume | 300 Millilitres |
| Manufacturer | Siroflex Lte |
| Manufacturer Part Number | SXMORTRC300BU |
| Material | Mortar, Cement |
| Model Number | SXMORTRC300BU |
| Number of Pieces | 1 |
| Other Special Features of the Product | Strong, Water Resistant |
| Specific Uses For Product | Masonry Repair |
| Unit Count | 300.0 millilitre |
| Viscosity Level | High |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Siroflex
- **Item form:** Paste
- **Material:** Mortar, Cement
- **Special feature:** Strong, Water Resistant
- **Specific uses for product:** Masonry Repair

## Images

![SX Siroflex Mortar Repair Cement Buff, 300ml - Image 1](https://m.media-amazon.com/images/I/61FHThkTcCL.jpg)

## Available Options

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

## Frequently Bought Together

- SX Trade Strength Buff Mortar Repair Cement 300ml - Ready to use repair mortar for Pointing jobs & Damaged Masonry Joints - Adheres without primer on Damp Surfaces - Interior & Exterior
- ProDec Extra Strong Caulking Gun
- fischer 523858 Express Cement-Sand

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**Shop now:** [https://www.desertcart.pt/products/583369093-sx-siroflex-mortar-repair-cement-buff-300ml](https://www.desertcart.pt/products/583369093-sx-siroflex-mortar-repair-cement-buff-300ml)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-10-01*