---
product_id: 546416534
title: "SX Trade Strength PU Gun Grade Expanding Foam - Gap Filler - Fixing & Insulating - Polyurethane Based - Quick Drying - 750ml"
brand: "siroflex"
price: "$54.72"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/546416534-sx-trade-strength-pu-gun-grade-expanding-foam-gap-filler
store_origin: US
region: United States of America
---

# Expands up to 30x volume 8-12 min tack free time Multi-use fixing & insulating SX Trade Strength PU Gun Grade Expanding Foam - Gap Filler - Fixing & Insulating - Polyurethane Based - Quick Drying - 750ml

**Brand:** siroflex
**Price:** $54.72
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal the deal fast, fill every gap flawlessly!

## Quick Answers

- **What is this?** SX Trade Strength PU Gun Grade Expanding Foam - Gap Filler - Fixing & Insulating - Polyurethane Based - Quick Drying - 750ml by siroflex
- **How much does it cost?** $54.72 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/546416534-sx-trade-strength-pu-gun-grade-expanding-foam-gap-filler)

## 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

- • **Maximize Every Drop:** Expands up to 30 times its original volume to fill even the most irregular gaps flawlessly.
- • **Sealant Backing Pro:** Perfect as a backing material in low expanding joints for all types of sealant applications.
- • **Fast-Track Your Projects:** Quick drying formula with tack free time of just 8-12 minutes means less waiting, more doing.
- • **Ready-to-Use Convenience:** 750ml gun grade polyurethane foam designed for precision application and professional results.
- • **Versatile Fix & Insulate:** Ideal for securing window & door frames, loose tiles, and insulating around pipes and ductwork.

## Overview

The SX Trade Strength PU Gun Grade Expanding Foam is a 750ml polyurethane-based foam that expands up to 30 times its volume, dries quickly within 8-12 minutes, and is perfect for fixing, insulating, and sealing irregular gaps in construction and renovation projects.

## Description

SX Trade Strength PU Gun Grade Expanding Foam - Gap Filler - Fixing & Insulating - Polyurethane Based - Quick Drying - 750ml

## Features

- QUICK DRYING - Tack free time is 8-12 minutes, this will allow you to continue with your work quicker and is overpaintable
- FILLING - The expanding foam will expand upto 30 times its original volume, allowing filling irregular or awkward gaps where the foam can expand to completely fill the cavity
- FIXING & INSULATING - Perfect for fixing window frames, door frames and loose tiles but also allowing you to insulate between brickwork and cladding, around ductwork and through cavities carrying pipes and cables
- BACKING - In low expanding joints, Siroflex expandiong foam can be used as a backing material in all types of sealant applications
- CONTENTS - 1 x 750ml Gun Grade Polyurethane Expanding Foam

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Siroflex |
| Part Number | SXFF700GUN |
| Product Dimensions | 6.5 x 6.5 x 34.2 cm; 870 g |
| Item model number | SXFF700GUN |
| Colour | Green |
| Item Package Quantity | 1 |
| Included Components | CONTENTS - 1 x 750ml Gun Grade Polyurethane Expanding Foam |
| Batteries Required? | No |
| Item Weight | 870 g |

## Images

![SX Trade Strength PU Gun Grade Expanding Foam - Gap Filler - Fixing & Insulating - Polyurethane Based - Quick Drying - 750ml - Image 1](https://m.media-amazon.com/images/I/619VgdLEK1L.jpg)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-06*