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GREATSTUFF

GREATSTUFF specializes in premium expanding foams, sealants, and insulation products designed for reliable gap-filling and sealing in home improvement and industrial applications.

4 products Updated June 4, 2026

GREATSTUFF Products (4)

1
Prime

GREAT STUFF Gaps & Cracks Insulating Foam Sealant 12 oz, Case of 12 | Seals Gaps, Blocks Drafts & Pests

GREATSTUFF
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Easy straw applicator simplifies precise application
  • High expansion forms durable bonds quickly
  • Versatile for indoor/outdoor gap sealing
  • Reduces condensation and airflow effectively

Cons

  • Requires trimming excess foam after expansion
  • Sticky during application; wear gloves
  • Over-application can cause excessive expansion
2
Prime

GREAT STUFF PRO Gaps & Cracks 24 oz Fireblock Foam Sealant - Expanding Polyurethane Insulation Seals Up to 3" Gaps, Pack of 12, Made in USA

GREATSTUFF
9.7
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Expands to fill large gaps precisely, creating reliable insulation
  • Fireblock compliance simplifies inspections and enhances safety
  • Quick cure time allows same-day project completion
  • Reduces utility costs through better energy efficiency
  • Gun-applied for precise, professional results

Cons

  • Requires a separate foam dispensing gun for application
  • Significant expansion demands careful dosing to avoid overfill
  • Pack of 12 best suited for larger projects or pros
3
Prime

Great Stuff Smart Dispenser Gaps & Cracks Foam Sealant, 12oz Cream - No Drip, Reusable, Paintable Home Insulation

GREATSTUFF
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Mess-free application with no-drip technology
  • Reusable canister extends usability over weeks
  • Fast curing for immediate project completion
  • Energy-saving insulation improves home efficiency
  • Multi-surface compatibility for indoor/outdoor use

Cons

  • Requires trimming after expansion for smooth finish
  • Cream color may need painting to match all surfaces
  • Over-application can lead to excess foam buildup
4
Prime

Great Stuff Wide Spray Foam Insulation Kit 4-Pack 18oz - Closed Cell Expanding Sealant Seals 6in Gaps, Indoor Outdoor, Nozzles Gloves Glasses

GREATSTUFF
9.0
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Specialized nozzles deliver even wide spray patterns for professional results on irregular surfaces
  • Expands reliably to fill cracks while adhering strongly to multiple materials
  • Includes PPE and high-coverage formula ideal for large projects like pre-drywall sealing
  • Weather-resistant seal blocks moisture and boosts insulation performance
  • Meets fire safety codes for peace of mind in homes and buildings

Cons

  • Nozzles designed only for Wide Spray formula; incompatible with standard Great Stuff cans
  • Restricted for use in California's South Coast Counties and Coachella Valley
  • Requires proper technique to avoid uneven application as shown in product demos

GREATSTUFF Brand Guide

Discover the reliability of GREATSTUFF, a trusted name in sealants and insulation solutions. Known for innovative expanding foams and joint sealants, GREATSTUFF products excel in filling gaps, sealing cracks, and providing durable insulation for both indoor and outdoor use. Whether you're tackling home repairs or industrial projects, GREATSTUFF delivers products that bond strongly and expand effectively to create airtight seals.

Brand Overview

GREATSTUFF has built a solid reputation in the adhesives and sealants industry by focusing on user-friendly, high-performance formulas. Their lineup includes smart dispensers for precise application and wide spray kits for larger areas, making them a go-to choice for professionals and homeowners alike. What sets GREATSTUFF apart is their commitment to versatility—products that work on various surfaces like wood, metal, masonry, and more, ensuring long-lasting results without shrinking or cracking over time.

What Makes GREATSTUFF Stand Out

GREATSTUFF products are engineered for ease of use and superior adhesion. Features like controlled dispensing systems prevent mess and waste, allowing for accurate fills in tight spaces. Their expanding polyurethane foams cure quickly, forming rigid or flexible barriers that insulate against air, moisture, and pests. This makes them ideal for energy-efficient home upgrades or sealing industrial joints. Backed by consistent quality, GREATSTUFF earns praise for reliability in demanding environments.

  • Precise application with smart nozzles
  • Strong adhesion to diverse materials
  • Fast-curing formulas for quick projects
  • Versatile for indoor and outdoor applications

Product Quality and Reputation

Quality is at the core of GREATSTUFF's offerings. Each product undergoes rigorous testing to ensure it meets high standards for durability and performance. Users appreciate how these sealants maintain integrity under temperature fluctuations and humidity, preventing leaks and drafts. The brand's focus on innovation, such as closed-cell polyurethane options, provides excellent thermal resistance. GREATSTUFF's reputation stems from real-world performance, making it a staple for contractors, builders, and DIY enthusiasts who demand dependable results.

Who Are GREATSTUFF Products Best For?

GREATSTUFF suits a wide audience. Homeowners use them for simple tasks like sealing around windows, doors, and pipes to improve energy efficiency. Professionals in construction and maintenance rely on them for joint sealing in walls, roofs, and foundations. If you're working on Joint Sealants projects or need robust insulation, GREATSTUFF delivers. They're particularly valuable for those prioritizing ease, strength, and minimal cleanup in their toolkit.

Key Product Categories

GREATSTUFF shines in specialized categories tailored to sealing and insulation needs. In the realm of Industrial Sealants, their heavy-duty formulas handle tough commercial jobs. For everyday hardware solutions, check their contributions to Sealers, perfect for weatherproofing exteriors. Products like gap and crack fillers address common pain points, while insulation kits cover larger areas efficiently. Explore these in our Adhesives & Sealers sections for the best matches to your project.

Explore GREATSTUFF for Your Next Project

From small repairs to large-scale insulation, GREATSTUFF provides the tools to get it done right. Their products combine innovation with practicality, ensuring you achieve professional-grade seals every time. Whether insulating attics, sealing basements, or filling cracks in siding, GREATSTUFF supports your success with proven performance.

Frequently Asked Questions

What types of surfaces can GREATSTUFF products adhere to?

GREATSTUFF sealants bond effectively to a variety of surfaces including wood, drywall, metal, concrete, and masonry, making them highly versatile for most projects.

Are GREATSTUFF products suitable for both indoor and outdoor use?

Yes, many GREATSTUFF formulas, like their expanding foams and joint sealants, are designed for indoor and outdoor applications, offering protection against weather and moisture.

How do GREATSTUFF dispensers improve the user experience?

Smart dispensers provide precise control, reducing waste and mess, which is ideal for clean, accurate applications in hard-to-reach areas.

Can GREATSTUFF be used for insulation purposes?

Absolutely, their spray foam insulation kits create effective barriers for thermal and sound insulation, suitable for homes and industrial settings.

Is cleanup easy with GREATSTUFF products?

Unexpanded foam cleans up with acetone, while cured foam can be trimmed or sanded, keeping your workspace tidy.