---
product_id: 181248918
title: "Soudal Sapphire Blue Silicone Sealant 310ml RAL 5003 | Waterproof & Mould Resistant | Flexible Sealant for Windows, Doors, Bathrooms & Exterior Use"
brand: "soudal"
price: "$55.15"
currency: USD
in_stock: true
reviews_count: 7
category: "Soudal"
url: https://www.desertcart.us/products/181248918-soudal-sapphire-blue-silicone-sealant-310ml-ral-5003-waterproof-mould
store_origin: US
region: United States of America
---

# UV resistant for lasting color 310ml precision volume Easy application with standard caulking gun Soudal Sapphire Blue Silicone Sealant 310ml RAL 5003 | Waterproof & Mould Resistant | Flexible Sealant for Windows, Doors, Bathrooms & Exterior Use

**Brand:** soudal
**Price:** $55.15
**Availability:** ✅ In Stock

## Summary

> 💙 Seal in style with sapphire strength and lasting brilliance!

## Quick Answers

- **What is this?** Soudal Sapphire Blue Silicone Sealant 310ml RAL 5003 | Waterproof & Mould Resistant | Flexible Sealant for Windows, Doors, Bathrooms & Exterior Use by soudal
- **How much does it cost?** $55.15 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/181248918-soudal-sapphire-blue-silicone-sealant-310ml-ral-5003-waterproof-mould)

## Best For

- soudal enthusiasts

## Why This Product

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

## Key Features

- • **High Gloss Finish:** Add a sleek, professional shine that elevates the aesthetic of every sealed joint.
- • **Effortless Application:** Smooth, mess-free sealing with any standard putty gun—get the job done faster and cleaner.
- • **Elastic & Durable Seal:** Stay flexible and waterproof—perfect for high-movement joints across multiple materials like glass, wood, and aluminum.
- • **Precision Color Matching:** RAL 5003 ensures your sealant blends seamlessly with your design palette—no compromises on style.
- • **Permanent UV-Resistant Color:** Keep your projects looking flawless outdoors with a sapphire blue that won’t fade under the sun.

## Overview

Sapphire Blue Silicone Sealant RAL 5003 is a 310ml high-quality, UV-resistant silicone designed for durable, elastic, and waterproof sealing. Its easy-to-apply formula fits standard caulking guns and offers a permanent high gloss finish, ideal for construction joints requiring precise color matching and long-lasting outdoor performance.

## Description

Soudal Sapphire Blue Silicone Sealant 310ml (RAL 5003) is a high-quality, professional-grade sealant designed for flexible, waterproof sealing across a wide range of applications. The Sapphire Blue (RAL 5003) colour provides a bold, colour-matched finish, making it ideal for use with coloured frames, panels, and architectural elements. Suitable for both interior and exterior use, it delivers reliable performance in various environments. This silicone offers excellent resistance to water and weathering, ensuring long-lasting protection against moisture and environmental exposure. It is also mould resistant, making it suitable for use in kitchens, bathrooms, and other humid areas. Once cured, the sealant remains permanently flexible, allowing it to accommodate joint movement without cracking or shrinking. Suitable for use on glass, ceramics, aluminium, wood, PVCu, and other common building materials, it is a dependable choice for both professional tradespeople and DIY users.

Review: Good quality product - As described works well
Review: Good - 6 months later still in place and looking good no faults with this product

## Features

- Contains 2-butanone oxime. May produce an allergic reaction.
- Contains sensitizing substances. May produce an allergic reaction.
- RAL 5003 SAPPHIRE BLUE COLOUR MATCH – High-quality silicone in Sapphire Blue (RAL 5003) designed to provide a clean, colour-matched finish for modern installations. Ideal for use with blue frames, panels, and decorative features where appearance matters. Helps achieve a professional and consistent look across projects. Suitable for both interior and exterior applications.
- WATERPROOF & WEATHER RESISTANT – Forms a durable, watertight seal that protects against moisture, rain, and environmental exposure in demanding conditions. Suitable for use around windows, doors, joints, and external structures. Helps prevent water ingress and long-term damage. Designed for reliable performance in varying weather conditions.
- FLEXIBLE & LONG-LASTING PERFORMANCE – Remains permanently elastic after curing, allowing it to accommodate movement in joints without cracking or shrinking. Maintains adhesion and performance over time even with temperature changes. Ideal for expansion joints and areas subject to vibration. Provides long-term reliability.
- MOULD RESISTANT FOR HYGIENIC USE – Formulated to resist mould growth in damp and humid environments such as kitchens, bathrooms, and utility areas. Helps maintain a cleaner, longer-lasting seal in high-moisture conditions. Suitable for both domestic and professional applications. Supports hygienic and durable sealing.
- STRONG MULTI-SURFACE ADHESION – Bonds effectively to a wide range of materials including glass, ceramics, aluminium, wood, PVCu, and most building substrates. Ensures consistent performance across different applications without the need for multiple sealants. Suitable for general construction, maintenance, and repair work. A versatile solution for many tasks.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01MZIDEQ5 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 130,148 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,510 in Sealers |
| Colour | Sapphire Blue |
| Customer Reviews | 4.6 4.6 out of 5 stars (55) |
| Date First Available | 5 Mar. 2017 |
| Item Package Quantity | 1 |
| Item Weight | 370 g |
| Item model number | 5060442887800 |
| Manufacturer | Soudal |
| Material | Silicone |
| Package Dimensions | 23 x 5.9 x 4.8 cm; 370 g |
| Part Number | 5060442887800 |
| Special Features | Strong,Waterproof |

## Product Details

- **Colour:** Blue
- **Brand:** Soudal
- **Liquid volume:** 310 Millilitres
- **Item form:** Powder
- **Surface recommendation:** Window, Door, Bathtub, Tiles, Countertop, Channel, Sink, Pipe, Wood

## Images

![Soudal Sapphire Blue Silicone Sealant 310ml RAL 5003 | Waterproof & Mould Resistant | Flexible Sealant for Windows, Doors, Bathrooms & Exterior Use - Image 1](https://m.media-amazon.com/images/I/51NxD46fA0S.jpg)
![Soudal Sapphire Blue Silicone Sealant 310ml RAL 5003 | Waterproof & Mould Resistant | Flexible Sealant for Windows, Doors, Bathrooms & Exterior Use - Image 2](https://m.media-amazon.com/images/I/51Lj+tM2OhL.jpg)
![Soudal Sapphire Blue Silicone Sealant 310ml RAL 5003 | Waterproof & Mould Resistant | Flexible Sealant for Windows, Doors, Bathrooms & Exterior Use - Image 3](https://m.media-amazon.com/images/I/21Z2BqpraLL.jpg)
![Soudal Sapphire Blue Silicone Sealant 310ml RAL 5003 | Waterproof & Mould Resistant | Flexible Sealant for Windows, Doors, Bathrooms & Exterior Use - Image 4](https://m.media-amazon.com/images/I/21OUvOUKnxL.jpg)
![Soudal Sapphire Blue Silicone Sealant 310ml RAL 5003 | Waterproof & Mould Resistant | Flexible Sealant for Windows, Doors, Bathrooms & Exterior Use - Image 5](https://m.media-amazon.com/images/I/217lyQvV71L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality product
*by M***. on 2 March 2026*

As described works well

### ⭐⭐⭐⭐⭐ Good
*by R***D on 14 February 2026*

6 months later still in place and looking good no faults with this product

### ⭐⭐⭐⭐⭐ Silicon
*by K***T on 21 December 2024*

Very pleased

## Frequently Bought Together

- Sapphire Blue Silicone Sealant RAL 5003 310ml
- CT1 Blue TRIBRID Multi-Purpose Sealant & Adhesive - Bathroom, Shower & Window Sealant - Odourless - Anti Mould Waterproofing Sealant Adhesive - Vibration Resistant & Flexible - 290ml

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-20*