
( Brand: Meta Caulk ), ( Manufacturer Part Number: 66335-META-20 ), ( Part Type: Fire Pad )
**MetaCaulk 66335-META-20 MetaFire 66335 Fire-Rated Putty Pads** are a premium, high-performance sealing solution designed to meet stringent fire safety and building code requirements while delivering exceptional durability and ease of installation. Engineered specifically for critical applications where fire resistance and structural integrity are paramount, these **1/8-inch thick, 20-pack putty pads** combine advanced fire-rated technology with a versatile, self-leveling formula to create an airtight, watertight, and fire-resistant barrier. Ideal for use in commercial, industrial, and high-rise construction, these pads are formulated to bridge gaps, seams, and penetrations in fire-rated assemblies such as walls, doors, windows, and electrical conduits without compromising the integrity of the fireproofing system. Their **ASTM E814 and UL 2079 compliant** composition ensures they maintain their fire-resistance properties under extreme heat exposure, providing up to **200 minutes of fire protection** in properly installed applications, making them a trusted choice for architects, contractors, and fire safety professionals. The **low-modulus, non-shrinking putty** adheres securely to a variety of substrates, including drywall, concrete, steel, and masonry, while its **flexible yet stable consistency** allows for easy application and precise conformance to irregular surfaces. Whether used in new construction, renovations, or fireproofing retrofits, these putty pads offer a reliable, long-lasting solution that simplifies installation while meeting the most demanding fire safety standards. Their **clean, mess-free application** and **minimal curing time** further enhance efficiency on the jobsite, ensuring a seamless finish that contributes to both safety and aesthetic compliance.
**Pros and Cons of Buying Meta Caulk 66335 (Fire-Rated Putty Pads, 1/8" x 20 Pack)**
**Pros:**1. **Fire Resistance** This product is specifically designed to meet fire-rated requirements, making it suitable for applications where fire safety is critical, such as in commercial buildings, electrical enclosures, or HVAC systems. It can help prevent fire spread through gaps and penetrations.
2. **Versatility** The 1/8" thickness and putty pad form make it adaptable for sealing small gaps, joints, or penetrations in walls, ceilings, or electrical conduits. It can be used in both new construction and retrofitting projects.
3. **Durability** Meta Caulk products are generally known for their long-lasting performance, resisting cracking, shrinking, or degrading over time when applied correctly. This can reduce the need for frequent reapplication.
4. **Easy Application** Putty pads are pre-formed and ready to use, simplifying installation compared to liquid caulks or putties that require mixing or spreading. They can be cut to size and applied with basic tools.
5. **Compatibility with Fire-Rated Assemblies** Since it is designed for fire-rated applications, it can be used alongside other fireproofing materials (e.g., fireproofing spray, intumescent coatings) to enhance overall fire protection.
6. **Low Maintenance** Once properly installed, these pads require minimal upkeep, making them a practical choice for long-term projects.
7. **Compliance with Building Codes** Many fire-rated putty pads are tested and certified to meet industry standards (e.g., UL, ASTM), ensuring compliance with local building codes and insurance requirements.
---
**Cons:**1. **Limited Thickness Options** The 1/8" thickness may not be sufficient for larger gaps or penetrations. If the gap is too wide, the putty pad may not provide adequate sealing, requiring additional materials or adjustments.
2. **Not Ideal for Outdoor Use** While some caulks are weather-resistant, fire-rated putty pads like this one are typically designed for indoor applications. Exposure to moisture, UV light, or extreme temperatures could compromise their integrity.
3. **Messy Installation** Applying putty pads can be slightly messy, especially if the surface isn t perfectly clean or if excess material is squeezed out. Proper trimming and cleanup may be required after installation.
4. **Cost** Fire-rated materials are often more expensive than standard caulks or putties. For large projects, the cumulative cost of purchasing multiple pads (e.g., a 20-pack) may be higher than alternative solutions.
5. **Requires Proper Installation** Like all fire-rated materials, these putty pads must be installed correctly to maintain their fire-resistant properties. Improper application (e.g., gaps around the pad, insufficient compression) could void their effectiveness.
6. **Limited Flexibility** Some caulks offer flexibility to accommodate minor structural movement, but putty pads are rigid once set. This may not be ideal for areas prone to vibration or settling.
7. **Disposal Considerations** Fire-rated materials may have specific disposal requirements due to their composition. Check local regulations to ensure proper handling of unused or removed pads.
---
**Conclusion:**Meta Caulk 66335 fire-rated putty pads are a reliable choice for sealing small gaps in fire-rated assemblies where compliance with fire safety standards is mandatory. Their ease of use, durability, and certification make them a practical option for professionals working on commercial or industrial projects. However, they are not suitable for outdoor use, large gaps, or applications requiring flexibility. The cost and potential messiness during installation are minor drawbacks compared to their benefits for fire protection.
**Recommendation:**Purchase this product if you are working on a **fire-rated penetration seal** (e.g., electrical conduits, plumbing, or HVAC penetrations through firewalls or rated walls) and need a **certified, easy-to-apply solution**. Ensure the gaps you are sealing do not exceed 1/8" in width, and follow manufacturer guidelines for installation. For larger gaps or outdoor applications, consider complementary materials like fireproofing spray or intumescent putty.
If budget is a concern, compare it with other fire-rated putty pads or caulks to ensure you are getting the best value for your project s specific needs. Always verify that the product meets the fire rating requirements of your local building codes.
STC rating 60, Tested in a UL 411 wall assembly/section to ASTM E90. MetaCaulk Putty Pads are used to maintain the hourly rating of fire-rated walls containing electrical outlet boxes and reduce sound transmission. Library ladders and hazardous material items are non-returnable. Only one pad thickness 1/8 inch is required for a 1 or 2 hour fire rating.
For interior use. Hand mold able with no curing time required. Adheres to all common building surfaces. MetaCaulk 66335 Fire-Rated Putty Pads - 7 x 1/8 Thick 20 Pack.
MetaCaulk Fire stop for Electrical Outlet Boxes. Features: - applied by hand.