---
product_id: 622495208
title: "Heavy Duty Expanding Foam 353ml - Multi-Purpose, Durable & Seals out Air, Moisture & Pests | No Shrinkage & Maximum Seal | For Indoor & Outdoor* Use"
brand: "gorilla"
price: "R491"
currency: ZAR
in_stock: true
reviews_count: 8
category: "Gorilla"
url: https://www.desertcart.co.za/products/622495208-heavy-duty-expanding-foam-353ml-multi-purpose-durable-and-seals
store_origin: ZA
region: South Africa
---

# Tack-free in 8-12 minutes Water resistant & pest proof Seals gaps up to 2.5cm Heavy Duty Expanding Foam 353ml - Multi-Purpose, Durable & Seals out Air, Moisture & Pests | No Shrinkage & Maximum Seal | For Indoor & Outdoor* Use

**Brand:** gorilla
**Price:** R491
**Availability:** ✅ In Stock

## Summary

> 🦍 Seal it like a pro—no gaps, no compromises!

## Quick Answers

- **What is this?** Heavy Duty Expanding Foam 353ml - Multi-Purpose, Durable & Seals out Air, Moisture & Pests | No Shrinkage & Maximum Seal | For Indoor & Outdoor* Use by gorilla
- **How much does it cost?** R491 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/622495208-heavy-duty-expanding-foam-353ml-multi-purpose-durable-and-seals)

## Best For

- gorilla enthusiasts

## Why This Product

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

## Key Features

- • **Fast Tack-Free Formula:** Ready to trim in just 45 minutes—speed up your projects
- • **Indoor & Outdoor Ready:** Paintable finish protects against UV discoloration outdoors
- • **Trusted Gorilla Strength:** Durable polyurethane foam with 4.3-star rating from 340 pros
- • **Heavy-Duty Seal, Zero Shrinkage:** Locks out air, moisture, and pests for a lasting fix
- • **Versatile Material Compatibility:** Works seamlessly on PVC, brick, wood, metal & more

## Overview

Gorilla Heavy Duty Expanding Foam is a 353ml polyurethane foam designed for professional-grade gap filling up to 2.5cm. It cures quickly with no shrinkage, is paintable and sandable, and provides a durable, water-resistant seal that blocks air, moisture, and pests. Suitable for indoor and outdoor use on multiple materials including PVC, brick, wood, and metal, it’s a trusted solution for lasting repairs and insulation.

## Description

Gorilla Heavy Duty Expanding Foam 353ml - Multi-Purpose, Durable & Seals out Air, Moisture & Pests | No Shrinkage & Maximum Seal | For Indoor & Outdoor* Use : desertcart.co.uk: Business, Industry & Science

Review: Great filler - Really great stuff,did exactly what it says and blocked out rain from getting into my hut
Review: expanding foam - good gorilla expanding foam

## Features

- Causes serious eye irritation.
- Causes skin irritation.
- Contains isocyanates. May produce an allergic reaction.
- Extremely flammable aerosol.
- May cause allergy or asthma symptoms or breathing difficulties if inhaled.
- May cause an allergic skin reaction.
- May cause damage to organs through prolonged or repeated exposure.
- May cause harm to breast-fed children.
- May cause respiratory irritation.
- Pressurised container: May burst if heated.
- Suspected of causing cancer.
- Toxic to aquatic life with long lasting effects.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CS6XCN7F |
| Best Sellers Rank | 3,151 in DIY & Tools ( See Top 100 in DIY & Tools ) 16 in Expanding Foams |
| Brand | Gorilla |
| Colour | Grey |
| Compatible Material | PVC, Brick, Concrete, Insulation Materials, Plaster, Wood, Metal, Others |
| Country Of Origin | USA |
| Customer Reviews | 4.3 out of 5 stars 340 Reviews |
| Included Components | Gorilla Heavy Duty Expanding Foam |
| Item Dimensions | 19.7 x 65 x 65 centimetres |
| Item Form | Foam |
| Item Type Name | Gorilla Expanding Foam |
| Item Weight | 0.46 Kilograms |
| Item dimensions L x W x H | 19.7 x 65 x 65 centimetres |
| Item weight | 0.46 Kilograms |
| Manufacturer | Gorilla |
| Material | Polyurethane |
| Style | Expanding Foam |
| Style Name | Expanding Foam |
| Surface Recommendation | Window |
| Unit Count | 1.0 Count |
| Water Resistance Level | Water Resistant |
| Water resistance level | Water Resistant |

## Product Details

- **Brand:** Gorilla
- **Item dimensions L x W x H:** 19.7 x 65 x 65 centimetres
- **Item weight:** 0.46 Kilograms
- **Material:** Polyurethane
- **Style:** Expanding Foam

## Images

![Heavy Duty Expanding Foam 353ml - Multi-Purpose, Durable & Seals out Air, Moisture & Pests | No Shrinkage & Maximum Seal | For Indoor & Outdoor* Use - Image 1](https://m.media-amazon.com/images/I/71SZjmvW6IL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great filler
*by Z***Y on 3 July 2025*

Really great stuff,did exactly what it says and blocked out rain from getting into my hut

### ⭐⭐⭐⭐ expanding foam
*by W***E on 31 January 2026*

good gorilla expanding foam

### ⭐⭐⭐⭐⭐ Very good
*by G***I on 2 November 2025*

EAsy to use and does what it’s meant to do.

## Frequently Bought Together

- Gorilla Heavy Duty Expanding Foam 353ml - Multi-Purpose, Durable & Seals out Air, Moisture & Pests | No Shrinkage & Maximum Seal | For Indoor & Outdoor* Use
- Steel Wool Mice - 2 Pack 0000 Rodent Control Gaps Blocker Coarse Wire Wool Mice Fill Fabric DIY Kit, Easy to Use Stop Rats and Mice Insect Pest, Includes Work Gloves (3m/roll)

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**Shop now:** [https://www.desertcart.co.za/products/622495208-heavy-duty-expanding-foam-353ml-multi-purpose-durable-and-seals](https://www.desertcart.co.za/products/622495208-heavy-duty-expanding-foam-353ml-multi-purpose-durable-and-seals)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-23*