1. Industrial Paint/Coatings Items
  2. sku: 9363592362353722
  3. METACAULK 66385

METACAULK 66385 Firestop Sealant 150 20.2OZ

66385 Metacaulk 150 Firestop Sealant Red 20.2oz Sausage Full Case 12

( Brand: Metacaulk ), ( Manufacturer Part Number: 66385 ), ( Part Type: Case )

Review METACAULK 150 Firestop Sealant Red 20.2oz Sausage Full Case

Metacaulk 66385 is a premium 150 firestop sealant offered by H.B. Fuller, a leading manufacturer in the adhesives industry. This product comes in a convenient 20.2 oz (571 ml) cartridge, making it a suitable choice for various firestopping applications.

The Metacaulk 66385 firestop sealant is a two-component, low-smoke, and low-odor material. It is specifically designed to meet the requirements of UL 1479 and ASTM E814-15 standards for fire resistance. The sealant's high-performance formula ensures effective sealing against fire, smoke, and sound, making it an ideal solution for preventing the spread of fire in buildings.

The cartridge's contents consist of a resin base and a curing agent, which are mixed just before use. The mixed material achieves excellent adhesion to various substrates, including concrete, masonry, and gypsum. It is suitable for use in fire-rated joints, penetrations, and around doors and windows.

Metacaulk 66385 provides excellent fire resistance for up to 4 hours, depending on the specific application and conditions. It has a working time of approximately 15 minutes, allowing ample time for proper application and tooling. The cured sealant remains flexible, ensuring it can withstand the movement of buildings caused by thermal expansion and contraction.

This product's low-smoke and low-odor properties make it a popular choice for applications where minimal smoke and odor are necessary, such as in healthcare facilities or data centers. Additionally, it is VOC-compliant, making it an environmentally friendly choice for your project.

The Metacaulk 66385 150 firestop sealant is a versatile and reliable solution for ensuring the safety and integrity of buildings. Its high-performance features make it an excellent choice for both new construction projects and renovations. Always follow the manufacturer's instructions for application, mixing, and curing to ensure the best results.

Metacaulk 66385 150 is a firestop sealant produced by 3M. This product is designed to seal joints and penetrations in fire-rated walls and partitions to maintain the fire resistance of the structure. Here are some pros and cons of buying this firestop sealant:

Pros:

1. High-performance firestop sealant: Metacaulk 66385 150 is a high-performance firestop sealant that meets the requirements of various building codes and standards. It is effective in preventing the spread of fire and smoke.

2. Versatile application: This firestop sealant can be used in various applications, including around pipes, wires, and other penetrations in fire-rated walls and partitions. It can also be used for joints and cracks in concrete and masonry.

3. Easy to use: Metacaulk 66385 150 is easy to apply, even in hard-to-reach areas, thanks to its squeeze tube packaging. It does not require any special tools or equipment.

4. Resistant to water and chemicals: This firestop sealant is resistant to water and various chemicals, making it suitable for use in areas with high moisture or chemical exposure.

Cons:

1. Higher cost: Compared to other types of sealants, firestop sealants, including Metacaulk 66385 150, can be more expensive.

2. Shorter pot life: This firestop sealant has a shorter pot life than some other types of sealants. This means that it needs to be mixed and applied within a shorter time frame to prevent it from hardening in the container.

3. Special handling requirements: Metacaulk 66385 150 requires special handling, including wearing protective clothing and working in a well-ventilated area.

4. Longer curing time: This firestop sealant has a longer curing time than some other types of sealants, which can delay the completion of construction projects.

Conclusion:

Metacaulk 66385 150 is a high-performance firestop sealant that offers several advantages, including its ability to maintain the fire resistance of structures and its versatility in various applications. However, it also comes with some disadvantages, such as its higher cost, shorter pot life, special handling requirements, and longer curing time.

Recommendation:

If you are looking for a firestop sealant for your construction project, Metacaulk 66385 150 is a good option to consider. Its high-performance properties make it an effective solution for maintaining the fire resistance of structures. However, you should be aware of its higher cost, shorter pot life, special handling requirements, and longer curing time. Weighing these factors against the benefits of using a firestop sealant can help you make an informed decision. If you are unsure, it may be helpful to consult with a professional contractor or building official for guidance.

Details:

It is also suitable for sealing penetrations including conduit, telecommunications cables, and power wiring where maintaining fire barrier continuity critical. Metacaulk 150 Firestop Sealant Red 20.2oz Sausage Full Case 12.: Metacaulk 150 Firestop Sealant is a one-component, water-based firestop sealant formulated to help limit the passage of fire, smoke, and hot gases through construction joints service penetrations. The flexible cure allows the sealant to accommodate joint movement while maintaining an effective seal.

Metacaulk 150 is water-based, non-sag, printable, and low in Vacs less than 10 grams per liter, making it suitable for interior use with minimal odor easy cleanup.

part #: 66385 prices

  • $140.00-$159.79

specifications industpaint:

  • brand: Metacaulk
  • mpn: 66385
  • part type: Case

returns industpaint:

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

general industpaint:

  • Building Materials Supplies > Industrial Paint, Coatings Supplies > Industrial Coatings Sealants
  • condition: New

seller industpaint:

  • rating: 100.0%
  • # reviews: 2013 3
  • city: Freehold, New Jersey

offer industpaint:

  • availability: In Stock
  • sold: 0
  • quantity: 90
  • options: Ship-to-home
  • started: May 21, 2026

shipping industpaint:

  • cost: $0.00
  • service: Standard
  • class: Standard
  • transit: 2-7 Days
  • type: Fixed

payments industpaint:

  • credit card: Diners-club
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  • wallet: Paypal
part type: case,
category: business & industrial > building materials supplies > industrial paint, coatings supplies > industrial coatings sealants, sku: 9363592362353722,
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3 offers $140.00–$159.79 USD
  • Offer #1: $159.00 price + $0.00 shipping estimate = $159.00* total. Easy to apply & retrofit, can be applied with a conventional caulking gun, bulk loading gun, troweled from pail, or pumped directly from pail. This product ensures peace of mind with systems rated for up to 4 hours as per ASTM E814 (UL1479) and ASTM E1966 (UL 2079) test standards.FREE SHIPPING
  • Offer #2: $159.79 price + $0.00 shipping estimate = $159.79* total. Ending Soon.FREE SHIPPING
  • Offer #3: $140.00 price + $50.00 shipping estimate = $190.00* total. RectorSeal Metacaulk 150+ Fire Sealant Sausage 20oz Case of 12.+$50.00 shipping

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