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Item #:
93719487
GREAT STUFF Fireblock 12 oz Insulating Foam Sealant Great Stuff
88% of respondents would recommend this to a friend
Item #:
93719487
PEN 146
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Imported from USA store
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Order now and get it around Tuesday, September 29
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Providing added safety for your home or workspace, GREAT STUFF Fireblock is the reliable choice for fire blocking protection and effective insulation.
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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
Superior Insulation
Great Stuff provides exceptional insulating properties, minimizing heat loss and improving energy efficiency in homes, ensuring comfortable indoor temperatures year-round.
Easy Application
The 12 oz can is user-friendly, allowing for quick and precise application, making it ideal for DIY enthusiasts and professionals alike, saving time on projects.
Versatile Use
This foam sealant adheres to a variety of surfaces like wood, metal, and masonry, effectively sealing gaps and cracks to prevent drafts and moisture intrusion.
Product Details
| Brand Name | Great Stuff |
| Number of Packs | 1 |
| Unit Count | 12 Fluid Ounces |
| Number of Items | 1 |
| Manufacturer | Great Stuff |
| Material Type | Polyurethane Foam |
| Item Weight | 12 ounces (340.2 grams) |
| Water Resistance Level | Water Resistant |
| Item Form | Foam |
| Compatible Material | Metal, Plastic, Rubber |
| Style Name | Compact |
| Color | orange |
| Surface Recommendation | Metal, Plastic, Other Surfaces |
| Supported Standards | ASTM E84, ASTM E814, UL1715 |
| Material | Polyurethane Foam |
| Brand | Great Stuff |
| Style | Compact |
Who Should Buy?
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Homeowners
Ideal for homeowners looking to seal gaps and cracks in walls, preventing drafts and improving energy efficiency.
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DIY Enthusiasts
Perfect for DIY enthusiasts who want to tackle insulation projects and improve home comfort with easy-to-use insulation foam.
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Contractors
Beneficial for contractors needing a reliable sealant for fireblocking applications in new constructions or renovations.
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Sensitive Areas
Not suitable for areas that require flexibility, as rigid foam may not accommodate movement without cracking.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is GREAT STUFF Fireblock Insulating Foam Sealant used for?
Answer: GREAT STUFF Fireblock Insulating Foam Sealant is specifically designed for filling and sealing gaps and cracks in various surfaces, which helps improve energy efficiency and reduce air leaks. This foam expands to fill spaces effectively, making it ideal for use around electrical outlets, plumbing, and other openings. It’s particularly useful in gaps where fire safety is a concern, as it helps to slow the spread of flames and smoke, providing additional safety for your home. -
Question:
How do I apply GREAT STUFF Fireblock Sealant properly?
Answer: To apply GREAT STUFF Fireblock Sealant, start by shaking the canister to mix the foam. Hold the can upside down and insert the applicator straw into the gap you wish to fill. Press the trigger slowly to dispense the foam, allowing it to expand and fill the gap. It’s best to apply in layers, letting each layer cure before adding more. Ensure that the area is clean and dry for optimal adhesion. This method provides a neat finish and effective insulation for any project. -
Question:
Is GREAT STUFF Fireblock safe to use indoors?
Answer: Yes, GREAT STUFF Fireblock is safe for indoor use once cured. The foam is formulated to provide excellent insulation while also being compliant with safety standards regarding flame spread and smoke development. It’s ideal for use in places like attics, basements, and walls, where fire safety is a priority. Always ensure proper ventilation during application to allow any temporary fumes to dissipate. -
Question:
How long does it take for GREAT STUFF Fireblock to cure?
Answer: GREAT STUFF Fireblock typically cures within 8 to 24 hours, depending on environmental factors such as temperature and humidity. The foam will initially expand upon application, and once cured, it will provide a strong, insulating barrier. Patience is essential; allowing the foam adequate time to cure ensures that you attain the best insulating properties and fire-resistant capabilities. -
Question:
Can I paint over GREAT STUFF Fireblock after it dries?
Answer: Yes, you can paint over GREAT STUFF Fireblock once it has fully cured. For best results, use a latex-based paint, as it adheres well to the foam. Painting is not only about aesthetics but also provides additional protection against moisture. This is helpful in areas where the foam may be exposed to elements or where a seamless look is desired in your interior spaces. -
Question:
Is there a specific temperature range for using GREAT STUFF Fireblock?
Answer: GREAT STUFF Fireblock performs best when applied in temperatures between 60°F and 100°F (15°C to 38°C). Applying the foam within this temperature range ensures optimal expansion and adhesion properties, resulting in an effective seal. If the temperature is too low, the foam may not expand adequately, compromising its sealing capability. It's advisable to check the label for specific instructions based on temperature conditions. -
Question:
Will GREAT STUFF Fireblock expand in enclosed spaces?
Answer: Yes, GREAT STUFF Fireblock is designed to expand significantly after application. While this is beneficial for filling large gaps and creating an effective seal, it’s vital to be cautious when using it in enclosed spaces. Over-expansion can lead to unwanted pressure on surrounding materials. It’s recommended to apply in small amounts and allow for expansion, ensuring an optimal seal without risking damage to nearby structures or surfaces. -
Question:
How do I clean up spills or excess foam from GREAT STUFF?
Answer: If you spill or have excess GREAT STUFF Fireblock foam, it’s important to act quickly. While the foam is still wet, use a solvent like mineral spirits to clean up spills. Once it cures, it is more challenging to remove; it typically requires scraping or sanding. To avoid excessive mess, ensure you apply the foam precisely and control the amount dispensed at once. -
Question:
What distinguishes GREAT STUFF Fireblock from regular insulating foam?
Answer: GREAT STUFF Fireblock differs from regular insulating foam sealants primarily because of its fire-blocking capabilities, which comply with specific safety standards. This foam not only seals gaps and cracks for insulation but also acts as a barrier to slow down the spread of fire and smoke. This is particularly important in residential or commercial buildings where fire safety must be prioritized, offering peace of mind while enhancing energy efficiency. -
Question:
Where can I buy GREAT STUFF Fireblock 12 Oz Insulating Foam Sealant?
Answer: You can conveniently purchase GREAT STUFF Fireblock 12 Oz Insulating Foam Sealant on Ubuy in Peru. Ubuy offers a wide selection of home improvement products, including this reliable foam sealant. Shopping on Ubuy ensures access to a streamlined purchasing process and various options to suit your project needs, allowing you to effectively seal and insulate your spaces.
Great Stuff Fire Barrier Caulk Editorial Review
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9 September 2026 · via Trustpilot
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PEN 146
Order now and get it around Tuesday, September 29
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Features & Benefits
- Blocks fire and smoke spread effectively.
- Expands to fill gaps and insulate cracks up to 1 inch.
- Water-resistant for indoor and outdoor use.
- Easy-to-use foam spray for precise application.
- Compatible with multiple surfaces including metal and plastic.
- Ideal for professionals and DIYers seeking reliable fire safety solutions.
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