RECTORSEAL 66367 Pack Metacaulk Firestop Box Guard Double 3.75 2-GANG

( Brand: Rectorseal ), ( Manufacturer Part Number: 66367 ), ( Part Type: Guard Box ), ( Unit Type: Unit ), ( Unit Quantity: 10 )

Review RECTORSEAL Pack Metacaulk 3.75 Inch Firestop Box Guard Insert 2-gang Double Boxes

Introducing the Rectorseal 66367 Metacaulk 10-pack, specifically designed for use with 3.75-inch firestop boxes and 2-gang double outlets. This high-performance, fire-resistant sealant is an essential addition to any electrical project that requires fire protection compliance.

The Rectorseal Metacaulk is a premium, one-component, moisture-curing urethane sealant. It comes in a convenient 10-pack, allowing you to have an ample supply on hand for multiple installations. The sealant is engineered to provide a reliable and long-lasting seal to prevent the passage of fire, smoke, and flames through electrical penetrations.

This Metacaulk is designed to meet the stringent requirements of UL 1479 and UL 1699 standards for firestopping applications. The product's unique formula enables it to expand up to 250% during curing and set to a hard, resilient state. This expansion property ensures that the seal remains effective even when faced with thermal movement and structural deformation.

The Rectorseal 66367 Metacaulk is easy to apply with a standard caulk gun, making installation quick and efficient. It is suitable for use on various surfaces, including concrete, drywall, and metal. The sealant's low viscosity allows it to flow easily and smoothly into the firestop box voids, ensuring complete coverage and preventing any potential gaps or voids.

The product's flexibility and durability make it an ideal choice for both new construction and retrofitting projects. It can withstand extreme temperatures, both hot and cold, and is resistant to water, chemicals, and UV radiation.

In summary, the Rectorseal 66367 Metacaulk 10-pack is an indispensable tool for any professional electrician or DIY enthusiast working on projects that require firestopping compliance. Its advanced formula, ease of application, and long-lasting performance make it a reliable and cost-effective solution for ensuring fire safety and electrical code compliance.

Rectorseal 66367 Metacaulk Firestop Box Guard: A Comprehensive Analysis

The Rectorseal 66367 Metacaulk Firestop Box Guard is a product designed to provide fire protection around electrical boxes. This 10-pack of 2-gang double firestop box guards comes with a fire-rated sealant (metacaulk) for sealing the gaps around the boxes. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this product.

1. Fire Protection: The primary benefit of using the Rectorseal 66367 Metacaulk Firestop Box Guard is the fire protection it provides. These guards are essential for maintaining the fire rating of walls and floors, ensuring safety in case of a fire.

2. Easy Installation: The guards are designed for easy installation, which saves time and effort. They can be installed using common tools, and the metacaulk comes pre-applied to the guards.

3. Durable: The guards are made of high-quality materials, ensuring they can withstand the rigors of daily use.

4. Meets Building Codes: The Rectorseal 66367 Metacaulk Firestop Box Guard complies with various building codes, making it a reliable choice for contractors and builders.

1. Cost: Compared to other firestop solutions, the Rectorseal 66367 Metacaulk Firestop Box Guard may be more expensive. However, the added cost is justified by the fire protection and ease of installation.

2. Limited Size: The Rectorseal 66367 Metacaulk Firestop Box Guard is only available in a 2-gang double size. This may not be suitable for larger electrical boxes or custom installations.

3. Application Limitations: The metacaulk should only be used on non-combustible surfaces, and the application temperature should be between 40 F and 120 F.

The Rectorseal 66367 Metacaulk Firestop Box Guard is an excellent investment for anyone looking for a reliable and easy-to-install firestop solution. It provides essential fire protection, saves time during installation, and is made of durable materials. While it may have some limitations, such as size and application restrictions, the advantages far outweigh the disadvantages.

If you're in the market for a firestop solution and are looking for a product that is easy to install and provides excellent fire protection, the Rectorseal 66367 Metacaulk Firestop Box Guard is a strong recommendation. However, ensure you consider the size limitations and application requirements before making a purchase.

Details:

Features: Quantity: 10 Inserts Item: Metacaulk Box Guard Double Electrical Firestop Insert Rectorseal PN: 66367 Size: 3.75 x 3.7 0.25 2-Gang, Certifications: ATSM E814, STC 53, UL 12Y3 Volume: 3.4in 55cm Made in the USA.

part #: 66367 prices

• $7.88-$16.99

specifications indusfir:

• brand: Rectorseal
• mpn: 66367
• part type: Guard Box
• unit type: Unit
• unit quantity: 10

offer indusfir:

• sold: 0
• started: September 3, 2025
• best offers: True
• availability: In Stock
• options: Ship-to-home

seller indusfir:

• rating: 99.7%
• city: Ephrata, Pennsylvania
• # reviews: 37684

payments indusfir:

• other
• credit card: Discover
• wallet: Apple-pay

returns indusfir:

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

shipping indusfir:

• carrier: USPS
• service: USPS Ground Advantage
• type: Calculated
• cost: $7.57
• transit: 5-12 Days
• class: Standard

general indusfir:

• condition: New
• Facility Maintenance Safety > Fire Protection Equipment > Other Fire Protection Equipment

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