67765 FSD Density Expanding Closed Cell Polyurethane Pour Kit

Review FSD Liquid 4lb Density Expanding Part Closed Cell Polyurethane Pour Foam Gal Kit

FSD 67765 4lb Density Expanding Closed Cell Polyurethane Pour Foam Kit

The FSD 67765 4lb Density Expanding Closed Cell Polyurethane Pour Foam Gal Kit is a comprehensive solution for insulating and sealing various surfaces against air and moisture intrusion. This foam kit, manufactured by Fomo Foam Systems, comes with all the essential tools and materials required for successful application.

This closed-cell polyurethane foam boasts an impressive density of 4 pounds per cubic foot, offering superior insulation properties. Closed-cell foam is known for its excellent insulating ability, as well as its resistance to moisture, making it an ideal choice for below-grade applications, crawl spaces, and other areas where moisture may be present.

The kit includes a one-component, HDI (Hexamethylene Diisocyanate) based foam system. This system ensures consistent, high-quality results with every use. The 4lb density foam expands to approximately 12-15 times its original volume during the curing process, providing excellent filling capabilities for irregularly shaped areas.

The FSD 67765 kit comes equipped with a 1-quart EZ Dispenser, which simplifies the mixing and pouring process. The dispenser is designed for easy use, with a built-in mixing paddle and a comfortable grip. The kit also includes a 1-gallon canister of HFC-245fa propellant, which is used to expand the foam during application.

Additionally, this kit is compatible with various accessories, allowing for versatile application methods. These accessories include a foam gun, spray gun adapter, and a foam backer rod. The inclusion of these optional accessories broadens the scope of applications, enabling users to tackle projects that may require more precise or controlled foam application.

The FSD 67765 4lb Density Expanding Closed Cell Polyurethane Pour Foam Gal Kit is a reliable and efficient solution for insulating and sealing various surfaces, providing excellent insulation properties, moisture resistance, and versatility. With its easy-to-use components and compatible accessories, this kit is an essential tool for contractors, DIY enthusiasts, and anyone seeking to improve the energy efficiency and overall quality of their projects.

A Comprehensive Analysis of Buying FSD 67765 4lb Density Expanding Closed Cell Polyurethane Foam Kit

The FSD 67765 4lb Density Expanding Closed Cell Polyurethane Foam Kit is a popular choice for insulation and sealant applications. In this analysis, we will discuss the pros and cons of buying this foam kit, followed by an Recommendation.

1. High R-Value: The 4lb density expanding foam provides an excellent R-value, making it an ideal choice for insulating various surfaces, including roofs, walls, and floors.

2. Seals Air Leaks: The foam expands and fills gaps and cracks, effectively sealing air leaks, reducing drafts, and improving energy efficiency.

3. Easy to Use: The kit comes with an easy-to-use spray gun, making application simple, even for DIY projects.

4. Cost-Effective: Compared to other insulation materials, such as fiberglass or cellulose, foam insulation provides better insulation per inch and saves money in the long run.

5. Durable: Closed cell foam is known for its durability and resistance to moisture, pests, and other environmental factors.

1. Expensive Upfront: The cost of the foam kit may be higher than other insulation materials upfront. However, the long-term savings in energy efficiency and reduced maintenance make up for the initial investment.

2. Off-gassing: Some people may be sensitive to the off-gassing of the foam, which can cause irritation to the eyes, nose, and throat. Proper ventilation during application can help minimize these effects.

3. Application Temperature: The foam can only be applied between specific temperature ranges, and extreme temperatures can affect the quality of the foam.

4. Limited Coverage: The kit covers a relatively small area compared to other insulation materials, so multiple cans may be required for larger projects.

The FSD 67765 4lb Density Expanding Closed Cell Polyurethane Foam Kit offers excellent insulation, air sealing, and energy efficiency benefits. Although it may have a higher upfront cost, the cost savings in energy efficiency and reduced maintenance make it a worthwhile investment. Moreover, its easy application and durability make it a popular choice for various insulation projects.

If you are looking for an effective insulation and air sealing solution, the FSD 67765 4lb Density Expanding Closed Cell Polyurethane Foam Kit is an excellent choice. It provides excellent insulation value, seals air leaks, and offers long-term cost savings. However, proper application guidelines should be followed to ensure the best results.

Details:

Item brand: Fsd. Working time before foaming: approx. Item mpn: 67765. Flotation foam is a polyurethane 2-part foam that, when mixed in equal parts and poured place this will soundproof, insulate, or provide extra buoyancy.4lb.

Ideal working temperature is 75 to 80 f or above. Accurate measuring of these products is extremely critical. Temperatures below 75 f will lower the expansion rate therefore requiring more foam.

specifications buildymat:

• brand: Fsd
• mpn: 67765
• part type: Cell

seller buildymat:

• city: cass city, michigan
• # reviews: 349736
• rating: 99.8%

offer buildymat:

• in stock #: 1
• availability: in stock
• options: ship-to-home
• sold #: 5
• started: may 6, 2026
• price: $61.99
• item condition: New

shipping buildymat:

• type: fixed
• class: economy
• transit: 2-6 days
• carrier: fedex
• service: economy, fedex ground economy

general buildymat:

• category: Business & Industrial > Supplies > Building Materials

returns buildymat:

• paid by: buyer
• policy: returns accepted
• method: money back
• time: 30 days

payments buildymat:

• credit card: diners-club
• wallet: google-pay
• other