Froth Pak 630 Spray Foam Insulation Kit (2K) – The Ultimate Professional-Grade Insulation System by DuPont

When it comes to closed-cell spray foam insulation, few products can match the power, performance, and reliability of the Froth Pak 630 Spray Foam Insulation Kit (2K) by DuPont. Engineered for professionals but simple enough for serious DIYers, this two-component spray foam kit provides superior thermal insulation, air sealing, and moisture control in one powerful system.

If you’re looking for a product that offers fast application, high R-value, and lasting results, the Froth Pak 630 stands as one of the best insulation kits on the market today.

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What Is the Froth Pak 630 Spray Foam Insulation Kit (2K)?

The Froth Pak 630 is a two-component polyurethane foam system (2K) designed for large-scale insulation and sealing projects. Unlike single-component cans, this kit comes with two pressurized tanks (Part A and Part B) that mix at the spray gun nozzle to instantly create high-density closed-cell foam.

Each kit yields approximately 620–650 board feet of foam — enough to insulate multiple rooms, a garage, or even an entire small structure. It’s widely used by builders, contractors, and serious DIY enthusiasts for both new construction and retrofitting projects.

Key Features That Make Froth Pak 630 Exceptional

1. Two-Component System for Professional Results

The dual-tank setup ensures the foam expands and cures almost instantly upon spraying, producing a consistent, uniform closed-cell structure. This eliminates the long curing times and uneven coverage common with one-component foams.

2. High R-Value for Maximum Energy Efficiency

With an R-Value of 6.2 per inch, Froth Pak 630 delivers superior thermal resistance compared to fiberglass or cellulose. It provides an airtight barrier that minimizes heat transfer, making it perfect for energy-efficient homes and buildings.

3. Fast Curing and Application

The foam becomes tack-free in seconds and cures within minutes, allowing for quick project turnaround. Once cured, it can be cut, trimmed, painted, or coated as needed.

4. Excellent Air & Moisture Barrier

Its closed-cell structure resists air infiltration and prevents moisture accumulation that can lead to mold, rot, and mildew. It’s ideal for attics, basements, crawlspaces, rim joists, and walls where air and moisture control are critical.

5. Broad Surface Compatibility

This foam adheres to wood, metal, masonry, drywall, concrete, and most plastics, making it extremely versatile for both residential and commercial use.

6. Meets Stringent Building Standards

DuPont engineered the Froth Pak 630 to meet ASTM E84 Class A Fire Rating standards, ensuring compliance for interior use and safety assurance for builders and homeowners alike.

Where and How to Use the Froth Pak 630

This insulation kit is designed for large projects and professional-grade applications. It’s ideal for:

• Wall cavities and rim joists
• Attic and roof deck insulation
• Basements and crawlspaces
• Shipping containers and garages
• Soundproofing and thermal insulation in vans or RVs
• Repairing existing insulation systems

Each spray creates a seamless, monolithic layer that eliminates cold drafts and heat loss, while also reducing condensation.

How to Use the Froth Pak 630 (Step-by-Step)

1. Prepare the area: Ensure surfaces are clean, dry, and free of dust, oil, or debris.
2. Warm the tanks: The chemicals work best at 70°F–85°F (21°C–29°C) for optimal mixing and expansion.
3. Attach the hoses and spray gun: Follow DuPont’s instructions carefully for assembly.
4. Test the spray pattern: Spray a small amount on scrap material to ensure consistent flow.
5. Start applying the foam: Maintain an even sweeping motion for consistent thickness.
6. Let it cure: Foam cures within minutes, forming a strong, airtight, and moisture-resistant layer.

Safety gear such as gloves, eye protection, and a respirator is strongly recommended during use.

Why Professionals Trust Froth Pak 630

DuPont’s Froth Pak line has been trusted for decades by builders, HVAC installers, and energy-efficiency professionals. The 630 model is preferred for its balance of coverage, expansion, and reliability.

Compared to smaller insulation kits, the Froth Pak 630 provides industrial-level performance while still being portable and manageable for one person. Its built-in anti-cross-contamination hoses and color-coded controls make setup simple and safe.

Contractors also love how this kit saves time and labor costs — a single technician can insulate a large space in hours, with no mixing or cleanup required.

Energy Savings and Long-Term Value

The Froth Pak 630 isn’t just an insulation product — it’s an investment in energy efficiency and comfort. By sealing leaks and improving your home’s thermal envelope, you can reduce heating and cooling costs by 30–50% annually.

Its closed-cell structure also adds structural strength to walls and surfaces, increasing overall building durability. The foam’s long life span means fewer maintenance or replacement costs over time.

Comparing Froth Pak 630 to One-Component Foams

If you’ve used one-component foams like DAP or Great Stuff, you’ll immediately notice how much faster and more powerful the Froth Pak 630 is.

One-component foams are perfect for small repairs or gaps, but the two-component Froth Pak system delivers a much higher density, expansion rate, and professional-grade finish suitable for full-room insulation.

It’s the difference between patching a small hole and completely sealing a thermal envelope.

Tips for Best Results

• Always store and use the kit at room temperature.
• Spray from 12–18 inches away for even application.
• Apply in layers if thicker insulation is needed.
• Avoid spraying directly onto electrical components or hot surfaces.
• Dispose of empty tanks according to local regulations.

Who Should Buy the Froth Pak 630

This kit is ideal for:

• Professional contractors and builders seeking consistent results.
• DIY homeowners handling full-room insulation projects.
• Energy auditors or HVAC specialists improving air sealing performance.
• Property managers renovating or winterizing homes.

While its price of $979.00 may seem high compared to smaller cans, its coverage area, speed, and professional results make it well worth the investment.

Final Verdict: Premium Performance That Pays Off

The DuPont Froth Pak 630 Spray Foam Insulation Kit (2K) is the gold standard for serious insulation projects. It delivers industry-grade expansion, excellent adhesion, and unmatched R-value — all in a user-friendly, portable setup.

If you want maximum energy efficiency, superior air sealing, and a professional-grade finish, this kit is a must-have. It’s designed to perform, built to last, and trusted by professionals worldwide.

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