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Item #:
51837512
2 Lb Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boat and Dock Flotation, Soundproofing, Filling Voids, and
89% of respondents would recommend this to a friend
Item #:
51837512
GBP 53
Price Details
Price
GBP 53
Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )
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In stock
Imported from USA store
QTY:
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Tuesday, October 27
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This expandable foam provides ultimate buoyancy, insulation, and soundproofing in one convenient kit!
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Versatile Applications
Ideal for boat flotation, dock support, soundproofing, and insulation, this foam adapts to multiple uses, making it a practical choice for diverse projects.
Closed Cell Structure
The closed cell design offers superior water resistance and buoyancy, ensuring long-lasting performance in challenging environments while preventing moisture absorption.
Easy Mixing Ratio
The straightforward 2-part system simplifies application—mix and pour for effective filling of voids and gaps, ensuring efficient and hassle-free installation.
Product Details
| Brand Name | Fiberglass Supply Depot |
| Number of Packs | 1 |
| Manufacturer | Fiberglass Supply Depot Inc. |
| Number of Items | 2 |
| UPC | 819794022866 |
| Unit Count | 2 Count |
| Model Number | Poly2lb1/2gk |
| Manufacturer Part Number | Poly2lb1/2gk |
| Coverage | 2.5 cubic feet |
| Material Type | Polyurethane |
| Recommended Uses For Product | soundproofing, insulation, buoyancy, void filling |
| Material | Polyurethane |
| Brand | Fiberglass Supply Depot |
| Country of Origin | This item will be imported from US |
| What is in the box | 2 Lb Density Expanding... For more details, please check description/product details |
| Item Weight | 2.5 lbs (1.13 kg) |
Who Should Buy?
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Marine Applications
Ideal for boat and dock flotation, providing buoyancy and stability in aquatic environments.
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Soundproofing Needs
Effective for sound insulation, reducing noise levels in various settings like workshops and studios.
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Home Insulation
Helpful for filling voids and gaps, enhancing thermal performance in residential construction or renovations.
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Outdoor Use Alone
Not suitable for long-term outdoor exposure without protective coatings, as it can degrade over time.
Product Description
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Customer Questions & Answers
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Question:
How to Shop 2 Lb Density Expanding Pour Foam, 2 Part Online From Ubuy?
Answer: It’s easy to shop 2 Lb Density Expanding Pour Foam, 2 Part online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location. -
Question:
Is 2 Lb Density Expanding Pour Foam, 2 Part Available to Shop Online in UK?
Answer: Yes, at Ubuy UK this product is available for you to shop at a reasonable price. The 2 Lb Density Expanding Pour Foam, 2 Part is not available locally but you can trust us with our express shipping services. -
Question:
How Long Does It Take to Get Product After Placing the Order?
Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.
Fiberglass Supply Depot Urethane Adhesives Poly2lb1/2gk Editorial Review
2 Lb Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boat and Dock Flotation, Soundproofing, Filling Voids, and Insulation (1/2 Gallon Kit) offers a reliable solution for various applications including insulation and buoyancy. Users appreciate its easy use, recommending to mix it thoroughly to achieve its full potential. This foam expands to fill voids efficiently and has been favored over other brands for its consistent performance and uniform density. It's perfect for restoring flotation in marine applications, making it a favorite among DIY enthusiasts.
Customer Reviews & Ratings
589 customers ratings
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5 Star
78%
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4 Star
11%
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3 Star
4%
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2 Star
2%
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1 Star
5%
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Pros
- Easy to mix and apply with a drill paddle
- Expands to fill voids effectively
- Uniform density for reliable results
- Great for boat and dock flotation
- Outperforms other popular foam brands
Cons
- Sets quickly, so work must be fast
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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GBP 53
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Tuesday, October 27
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Features & Benefits
- 2-part polyurethane foam kit for versatile applications.
- Perfect for soundproofing, insulating, and providing buoyancy.
- Produces 5 cubic feet of foam when mixed correctly.
- Cures without melting when laminated with various resins.
- Best results achieved at temperatures between 75° to 80° F.
- Quick working time of 45 seconds and full expansion in just 5 minutes.
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