GREAT STUFF PRO Gaps Insulating Spray Foam Sealant 705353413780 Oz.

( Brand: Great Stuff Pro ), ( Part Type: Spray ), ( Compatible Install Surface: Existing Insulation ), ( Insulation Features: Fire Block Rated, Paintable, Stainable ), ( Insulation R-value: R2 ), ( Insulation R-value Per Inch: R3.7 ), ( Insulation Type: Spray Can ), ( Product Weight: Oz ), ( Returnable: 90-day ), ( Coverage Area: Sq Ft ), ( UPC: 705353413780 )

Review GREAT STUFF PRO Oz. Gaps And Cracks Insulating Spray Foam Sealant

The **Great Stuff 705353413780 24-Gap Insulating Spray Foam Sealant** is a high-performance, professional-grade thermal and air-sealing solution designed to deliver superior energy efficiency, structural integrity, and long-lasting durability for both residential and light commercial applications. Engineered to bridge gaps, cracks, and voids with precision, this two-component, closed-cell polyurethane foam expands up to **12 times its liquid volume**, filling even the most challenging irregular spaces such as around windows, doors, electrical outlets, ductwork, and wall cavities while minimizing thermal bridging and air infiltration. Its **R-value of 6.5 per inch** ensures exceptional insulation performance, helping homeowners and contractors reduce heating and cooling costs by up to 30% while maintaining consistent indoor temperatures year-round. The foam s **closed-cell structure** also provides outstanding moisture resistance, preventing mold growth and structural damage in humid or damp environments, making it ideal for basements, attics, and crawl spaces. Beyond its thermal benefits, this spray foam acts as a robust **soundproofing barrier**, reducing noise transmission from outside sources or between rooms, which is particularly valuable in multi-family dwellings or home theaters. Its **adhesive properties** further enhance its versatility by bonding securely to a wide range of surfaces, including drywall, wood, metal, and concrete, ensuring a tight, airtight seal that resists settling or shrinkage over time. Formulated with **low VOC (volatile organic compound) emissions**, the product meets strict environmental standards, making it a safer choice for indoor air quality while still delivering the high performance expected of a professional-grade sealant. Whether used for new construction, renovations, or energy retrofits, the **Great Stuff 705353413780** stands out for its **ease of application** with its **pre-mixed, ready-to-use formula** (no separate mixing required) and **long working time**, allowing contractors to work efficiently without the risk of premature curing. Backed by **Great Stuff s industry-leading warranty and reliability**, this product is a trusted staple for professionals seeking a **versatile, high-performance solution** that combines insulation, sealing, and structural reinforcement in one seamless application.

### **Pros and Cons of Buying Great Value 705353413780 24-Gap Insulating Spray Foam Sealant**

1. **Effective Air Sealing** This spray foam is designed to fill gaps up to 24 inches, making it ideal for sealing larger voids in walls, attics, crawl spaces, and around ducts. This helps improve energy efficiency by reducing drafts and air leaks.

2. **Versatile Applications** Suitable for both residential and light commercial use, including gaps around windows, doors, electrical outlets, plumbing penetrations, and structural voids. It can also be used for minor insulation upgrades in unfinished spaces.

3. **Good R-Value** While not as high as closed-cell foam, open-cell spray foam provides a moderate R-value (around R-3.5 per inch), contributing to better thermal resistance compared to fiberglass or cellulose insulation in some cases.

4. **Soundproofing Benefits** The foam can help reduce noise transmission by filling gaps that allow sound to travel between rooms or from outside.

5. **Easy Application** Designed for DIY use with a spray foam kit, making it accessible for homeowners who want to tackle insulation projects themselves. No specialized tools are required beyond the included equipment.

6. **Mold and Moisture Resistance** Unlike some other insulation materials, spray foam can help prevent moisture buildup by sealing gaps that might otherwise trap dampness, reducing the risk of mold growth in certain applications.

7. **Durability** Once cured, the foam adheres well to surfaces and expands to fill gaps completely, providing a long-lasting seal that won t settle or compress over time.

8. **Cost-Effective for Small Projects** For minor sealing tasks (e.g., around ducts, small wall voids), this product can be more affordable than hiring a professional insulation contractor.

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1. **Limited to Open-Cell Foam** This is an open-cell spray foam, which means it has lower R-value per inch compared to closed-cell foam (typically R-6.0 per inch). If high insulation performance is a priority, closed-cell foam may be a better choice, though it usually requires professional installation.

2. **Not Ideal for Large-Scale Insulation** While it fills gaps up to 24 inches, it is not designed for full-wall or ceiling insulation like batt or blown-in insulation. For extensive projects, other materials may be more practical.

3. **Messy Application** Spray foam expands significantly and can be difficult to control, especially for beginners. Overapplication can lead to excess foam that may require trimming or cleanup, and improper application can result in uneven coverage or gaps.

4. **Requires Proper Ventilation** The application process releases fumes, so proper ventilation and protective gear (gloves, goggles, mask) are necessary to avoid respiratory irritation or skin contact with the chemical.

5. **Limited Adhesion in Some Cases** While it adheres well to most surfaces, it may not bond as effectively to slick or oily surfaces (e.g., untreated wood, metal, or plastic) without proper surface preparation.

6. **Not Fire-Rated** Open-cell spray foam is more flammable than closed-cell foam and does not meet fire-resistant standards for some applications (e.g., structural fire barriers). It should not be used in areas where fire safety codes require fire-blocking materials.

7. **Potential for Overuse** Buying a larger can (24-gap size) may result in leftover foam that could go to waste if the project is small. Smaller cans (e.g., 12-gap) might be more cost-effective for minor repairs.

8. **Not Waterproof** Unlike closed-cell foam, open-cell foam can absorb moisture over time, which may reduce its effectiveness in humid or wet environments. It is not recommended for exterior applications or areas prone to water exposure.

9. **Environmental Concerns** Spray foam contains hydrofluorocarbons (HFCs) or other blowing agents, which contribute to global warming. While regulations are improving, this remains a consideration for eco-conscious consumers.

10. **Limited Lifespan in High-Moisture Areas** If exposed to prolonged moisture (e.g., in basements or unvented attics), the foam may degrade or support mold growth, though proper sealing can mitigate this risk.

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Great Value 705353413780 24-Gap Insulating Spray Foam Sealant is a practical choice for **small to medium air sealing projects**, particularly where gaps up to 24 inches need to be filled efficiently. It excels in **energy efficiency improvements, soundproofing, and DIY accessibility**, making it suitable for homeowners looking to address specific leaks or voids without hiring a professional. However, it is **not a comprehensive insulation solution** and has limitations in terms of **thermal performance, fire safety, and moisture resistance** compared to other materials.

For **minor repairs, duct sealing, or gaps in unfinished spaces**, this product delivers good value. For **large-scale insulation, high-performance thermal barriers, or areas with moisture concerns**, alternative materials (e.g., closed-cell foam, fiberglass, or cellulose) may be more appropriate.

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- You need to seal **gaps up to 24 inches** in walls, attics, or around ducts.

- You are comfortable with **DIY application** and have proper ventilation/protective gear.

- Your primary goal is **air sealing and minor insulation** rather than maximum R-value.

- The project is **small to moderate in size** (e.g., sealing around windows, electrical boxes, or small voids).

- You require **high R-value insulation** (opt for closed-cell foam or professional installation).

- The project involves **large areas** (e.g., full-wall or ceiling insulation).

- You are working in **high-moisture or exterior applications** (use fiberglass, cellulose, or rigid foam instead).

- Fire safety codes require **fire-rated materials** (closed-cell foam or mineral wool may be necessary).

- Follow the manufacturer s instructions carefully for **mixing ratios and application techniques**.

- Use **protective gear** (gloves, goggles, respirator) to avoid skin/lung contact with the foam.

- Apply in **small sections** to control expansion and avoid waste.

- Allow the foam to **fully cure** (typically 24 hours) before painting or covering the area.

For most **casual homeowners tackling small insulation gaps**, this product offers a **cost-effective and effective solution**. However, for **larger or more critical projects**, consulting a professional or exploring other insulation types may yield better long-term results.

Details:

100% Satisfaction, Satisfaction Guaranteed. Gaps and Cracks Insulating Spray Foam Sealant.

specifications sealantadhesivee:

• brand: Great Stuff Pro
• part type: Spray
• compatible install surface: Existing Insulation
• insulation features: Fire Block Rated, Paintable, Stainable
• insulation r-value: R2
• insulation r-value per inch: R3.7
• insulation type: Spray Can
• product weight: Oz
• returnable: 90-day
• coverage area: Sq Ft
• upc: 705353413780

returns sealantadhesivee:

• paid by: Buyer
• time: 30 Days
• policy: Returns Accepted
• method: Money back

offer sealantadhesivee:

• availability: In Stock
• started: May 21, 2026
• sold: 0
• options: Ship-to-home
• quantity: 1

seller sealantadhesivee:

• rating: 99.6%
• city: Los Angeles, California
• # reviews: 2674

payments sealantadhesivee:

• other
• credit card: Diners-club
• wallet: Apple-pay

shipping sealantadhesivee:

• service: Standard
• type: Fixed
• transit: 5-9 Days
• cost: $0.00
• class: Standard

general sealantadhesivee:

• Adhesives, Sealants Tapes > Caulks, Sealants Removers > Caulks Sealants
• condition: New

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