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£14.49 Original price was: £14.49.£8.18Current price is: £8.18.
Gorilla Heavy Duty Expanding Foam 340ml is a fast-curing, multi-purpose foam sealant for filling gaps, cracks and voids. Ideal for insulating and sealing around windows, doors, pipes and other openings indoors and outdoors.
| Product Attributes | |
|---|---|
| Weight | 0.55kg |

Gorilla Heavy Duty Expanding Foam 340ml – Fast-Curing Gap Filler & Sealant for Insulation, Cracks & Gaps
£14.49 Original price was: £14.49.£8.18Current price is: £8.18.
Brand
Description
Gorilla Heavy Duty Expanding Foam 340ml is a fast-curing, multi-purpose foam sealant designed to fill and seal gaps, cracks, holes and voids. Its expanding formula provides strong coverage and helps create an airtight barrier against drafts, moisture and unwanted pests, making it ideal for both indoor and outdoor applications.
Product Overview
This Gorilla Expanding Foam Sealant expands into gaps and openings to provide effective insulation and sealing around windows, doors, pipes, ductwork and other building areas. Once fully cured, the foam can be trimmed, sanded and painted to achieve a neat finish. It is a versatile choice for DIY, maintenance, insulation and weatherproofing projects.
Key Features
- Fast-Curing Formula: Expands and cures quickly to help fill gaps and create a durable seal.
- Multi-Purpose Gap Filler: Suitable for filling cracks, holes, voids and openings around the home or workplace.
- Airtight & Moisture Resistant: Helps reduce drafts and protect sealed areas from moisture penetration.
- Insulating Performance: Helps improve insulation around openings and reduce unwanted air movement.
- Indoor & Outdoor Use: Suitable for a wide range of sealing, insulation and weatherproofing applications.
- Paintable & Sandable: Once cured, the foam can be trimmed, sanded and painted for a cleaner finished appearance.
- Helps Block Pests: Sealing gaps and openings can help prevent insects and other unwanted pests from entering.
Specifications
- Brand: Gorilla
- Product Type: Heavy Duty Expanding Foam Sealant
- Size: 340ml
- Colour: Off-White
- Application: Gap filling, sealing, insulation and weatherproofing
- Use: Indoor and outdoor
- Finish: Can be trimmed, sanded and painted after curing
- Application Method: Foam dispenser nozzle included
Ideal For
- Sealing gaps around windows and doors
- Filling cracks, holes and voids in walls, floors and ceilings
- Sealing around pipes and ductwork
- Weatherproofing sheds, garages and outbuildings
- Reducing drafts, moisture entry and pest access
Why Choose Gorilla Heavy Duty Expanding Foam?
Gorilla Heavy Duty Expanding Foam provides a practical solution for filling and sealing difficult gaps and openings. Its fast-curing, expanding formula offers versatile insulation and sealing performance, while the ability to trim, sand and paint the cured foam makes it suitable for professional-looking DIY and maintenance projects.
Shipping & Return
We hope that you are delighted with every purchase you make from Home Supplies Direct. However, if you are not entirely satisfied, our experienced team is here to help. Below are the details on how we can assist you:
Amending or Cancelling an Order
If you'd like to amend or cancel a recently placed order, please contact our Customer Service Team at 0208 998 0118.
- Amendments can be made up until the point of despatch.
- Once the order has been despatched, we cannot amend or cancel it, but we will be happy to assist you with returns if needed.
In-Store Collection
We offer a convenient in-store collection option:
- Monday to Friday: 9:00 AM – 5:00 PM
- Saturday: 9:00 AM – 2:00 PM
If you require collection outside of these hours, we may be able to arrange a special collection time. Please contact us in advance, and we will do our best to accommodate your request.
Heavy Parcel Charges
For orders over 2kg, additional shipping charges may apply depending on delivery region and total cart weight.
UK — Parcelforce 48 / Parcelforce 24
| Cart Weight | Parcelforce 48 | Parcelforce 24 |
|---|---|---|
| 2.01kg – 30kg | £6.99 | £7.99 |
| 30.01kg – 60kg | £13.98 | £15.98 |
| 60.01kg – 90kg | £20.97 | £23.97 |
| 90.01kg – 120kg | £27.96 | £31.96 |
| 120.01kg+ | £34.95 | £39.95 |
EU — Ireland & France Only (International Tracked Standard)
| Cart Weight | International Tracked Standard |
|---|---|
| 2.01kg – 30kg | £19.00 |
| 30.01kg – 60kg | £38.00 |
| 60.01kg – 90kg | £57.00 |
| 90.01kg – 120kg | £76.00 |
| 120.01kg+ | £95.00 |
EU — Excluding Ireland & France (International Tracked Standard)
| Cart Weight | International Tracked Standard |
|---|---|
| 2.01kg – 30kg | £49.00 |
| 30.01kg – 60kg | £98.00 |
| 60.01kg – 90kg | £147.00 |
| 90.01kg – 120kg | £196.00 |
| 120.01kg+ | £245.00 |
Rest of the World (International Parcel)
| Cart Weight | International Tracked Standard |
|---|---|
| 2.01kg – 30kg | £85.00 |
| 30.01kg – 60kg | £170.00 |
| 60.01kg – 90kg | £255.00 |
| 90.01kg – 120kg | £340.00 |
| 120.01kg+ | £425.00 |
Final shipping costs are calculated at checkout based on delivery address, selected shipping method, and total cart weight.
Damaged or Incorrect Items
Please check your parcel when it arrives. If you’ve received damaged goods, missing items, or incorrect products, we will resolve the issue quickly.
- Contact us within 30 days or 7 days for shortfalls of receiving the goods.
- The quickest way to reach us is by calling our Product Returns Team at 0208 998 0118.
- Alternatively, you can email us at sales@homesuppliesdirect.com.
- We will replace missing or damaged products at no extra charge.
Returning Unwanted Items
If the item you ordered turns out to be unsuitable, we are happy to offer a refund on unused products returned in original, resalable condition.
Before arranging a return, we recommend contacting our team — we may be able to help with product advice or offer a solution that saves you time and return costs.
- You have 30 days from receipt to notify us.
- Items must be unused, unopened, and in resalable condition.
- We will issue a full refund for the product once the item is returned and inspected.
- Please note: Postage/return shipping costs are non-refundable for unwanted items.
Large & Oversized Returns
Some items may exceed the size limits of standard postal services such as Royal Mail.
- In such cases, returns should be arranged via a suitable courier such as Parcelforce or a similar service.
- We recommend using a tracked and insured delivery service for your peace of mind.
If you need further assistance, feel free to reach out to our team. We are committed to making your shopping experience as smooth and hassle-free as possible.
Specs
| DIMENSIONS | |
|---|---|
| Weight | 0.55kg |
Product Safety



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





















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