Why is the temperature rating not listed?

Because that would be UL listed test specific

Can use this to fill a border gap of my marble around my gas fireplace and mantle?

Sorry, I do not know the answer to your question. However, I can tell you that I used it to fill the hole in drywall. As per fire code requirement.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fire, Intumescent Acrylic Mastic (Fire Caulk), Material: Water Based Intumescent Acrylic, Dimensions: 10.5 Oz Tube, Color: White, Qty: 1 (10.5 oz Tube)

Fire, Intumescent Acrylic Mastic (Fire Caulk), Material: Water Based Intumescent Acrylic, Dimensions: 10.5 Oz Tube, Color: White, Qty: 1 (10.5 oz Tube)

Product ID: 21930246

Details

Brand
Abesco
Color
White
Item Form
Paste
Item Weight
1.5 pounds
Liquid Volume
10.5 fluid

🎨Paintable when dry

💧Water-based, easy cleanup

🔥Up to 4 hours fire resistance

€ 48.13

Duties & taxes included

In stock

Sold byAmazon PortugalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Seal the gap, save the day — fireproof like a pro! 💪

VERSATILE GAP SEALING - Perfect for walls, floors, pipes, cables, and HVAC penetrations—seals all critical fire-rated joints.
TRUSTED INDUSTRY STANDARD - Backed by EN 1366-3, BS 476-20, ASTM E-814 certifications for reliable, professional-grade performance.
ECO FRIENDLY USER FRIENDLY - Water-based formula ensures easy application and cleanup with just water—no harsh chemicals involved.
SEAMLESS FINISH READY TO CUSTOMIZE - Paintable surface lets you maintain aesthetic integrity without compromising safety.
FIREPROOF YOUR SPACE WITH CONFIDENCE - Certified UL1479 fire rating delivers up to 4 hours of protection, blocking fire and smoke spread.

The Abesco CP310 Fire Rated Acrylic Intumescent Caulk is a water-based, UL Classified fire caulk in a 10.5 fl.oz tube, designed to seal gaps in fire-rated walls and floors. It expands into a protective char under heat, providing up to 4 hours of fire resistance while blocking smoke. Easy to apply, paintable, and environmentally friendly, it meets multiple international fire safety standards, making it an essential upgrade for any professional-grade fire protection system.

Specifications

ASIN	B00TE9TV8A
Best Sellers Rank	#490,660 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,095 in Adhesive Caulk
Brand Name	Abesco
Color	White
Customer Reviews	3.9 3.9 out of 5 stars (14)
Item Form	Paste
Item Weight	1.5 pounds
Liquid Volume	10.5 fluid ounces
Manufacturer	Electriduct
Material Type	Acrylic
Model	30350
Number of Items	1
Number of Packs	1
Part Number	30350
Surface Recommendation	Pipe
UPC	700600913228
Unit Count	1 Count
Water Resistance Level	Waterproof

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