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Expanding Waterproof Foam Comparison - August 2025

5 Best Expanding Waterproof Foam In the UK

1
Best Choice
9.8Exceptional
2
Best Value
9.7Exceptional
3
9.5Excellent
4
9.2Excellent
5
9.1Excellent
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Model

Gorilla Heavy Duty Expanding Foam 353ml - Multi-Purpose, Durable & Seals out Air, Moisture & Pests | No Shrinkage & Maximum Seal | For Indoor & Outdoor* Use
Model
2 x Cans Of The Original Gorilla Filler Weatherproof expanding foam 500ml Each
Model
GORILLA FILLER WEATHERPROOF EXPANDING FOAM FILLER
Model
FERRIS | The Original Gorilla Filler [2 x 500ml] Weatherproof Expanding Foam Filler | Securely Seals & Fills, Squeezes into Gaps | Suitable for Filling, Sealing Gaps & Cavities
Model
Haltons Expanding Foam Filler 500ml | Ready To Use | No Tools Required | Waterproof Caulk Spray Sealant for Walls, Cracks, Gaps, Holes, Wood, Metal | Strong & Reliable Repair Indoor & Outdoor (1pk)

Brand

Gorilla
Brand
JKG Unknown
Brand
Gorilla Filler
Brand
FERRIS
Brand
Haltons

Reviews

20 reviews
Reviews
10,000 reviews
Reviews
26,032 reviews
Reviews
544 reviews
Reviews
2,380 reviews

Features

Worth the money

9.1
Worth the money
8.6
Worth the money
7.9
Worth the money
7.6
Worth the money
7.0

Simple to use

9.9
Simple to use
8.4
Simple to use
7.9
Simple to use
7.6
Simple to use
7.0

Attachment

9.9
Attachment
8.6
Attachment
8.4
Attachment
7.9
Attachment
7.0

Tech Specs

customer reviews

4.7 4.7 out of 5 stars 5 ratings 4.7 out of 5 stars
customer reviews
4.3 4.3 out of 5 stars 2, 500 ratings 4.3 out of 5 stars
customer reviews
4.3 4.3 out of 5 stars 6, 508 ratings 4.3 out of 5 stars
customer reviews
4.2 4.2 out of 5 stars 136 ratings 4.2 out of 5 stars
customer reviews
4.2 4.2 out of 5 stars 595 ratings 4.2 out of 5 stars

item weight

460 g
item weight
-
item weight
530 g
item weight
1.06 kg
item weight
500 g

product dimensions

19.7 x 65 x 65 cm 460 g
product dimensions
-
product dimensions
10 x 5 x 5 cm 530 g
product dimensions
8.3 x 16.9 x 26 cm 1.06 kg
product dimensions
-

included components

Gorilla Heavy Duty Expanding Foam
included components
-
included components
-
included components
2 x 500ml Cans
included components
Expanding Foam Can

batteries required

No
batteries required
-
batteries required
-
batteries required
No
batteries required
No

color

Grey
color
-
color
White
color
Cream
color
-

Available On

Available On
Available On
Available On
Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.8
    1
    Gorilla

    Gorilla Heavy Duty Expanding Foam 353ml - Multi-Purpose, Durable & Seals out Air, Moisture & Pests | No Shrinkage & Maximum Seal | For Indoor & Outdoor* Use

    9.9 Simple to use
    9.9 Attachment
    9.1 worth the money

    Why we love it

    Effectively seals gaps up to 2.5cm.
    Paintable and sandable for custom finishes.
    No shrinkage for a lasting seal.
  • 9.7
    2
    2 x Cans Of The Original Gorilla Filler Weatherproof expanding foam 500ml Each
    JKG Unknown

    2 x Cans Of The Original Gorilla Filler Weatherproof expanding foam 500ml Each

    8.6 worth the money
    8.6 Attachment
    8.4 Simple to use

    Why we love it

    Weatherproof and durable.
    Expands to fill gaps.
    Ideal for outdoor use.
  • 9.5
    3
    Gorilla Filler

    GORILLA FILLER WEATHERPROOF EXPANDING FOAM FILLER

    8.4 Attachment
    7.9 worth the money
    7.9 Simple to use

    Why we love it

    Fills large cracks and holes efficiently.
    Weatherproof for outdoor and indoor use.
    Easy to cut, sand, and paint.

Our ranking system

The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.

Features

Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
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Consumer Reviews

We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
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Popularity

Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
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Value for money

TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.

When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.