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ChimneyRx 300054 Brushable Flashing Repair Sealant – Black Elastomeric Waterproof Coating Leak Protection for Vents & Skylights - Bonds to Shingles, Bricks, & More - 1/2 Gallon
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 5, 2026 4:53 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Hearthshire
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓ELASTOMERIC WATERPROOF SEALANT: Seals chimney flashing with a durable, flexible barrier; this chimney sealant prevents leaks around chimneys, stacks, vents, and skylights, providing protection against water and harsh weather
✓STAYS FLEXIBLE, WON'T CRACK: Unlike tar-based sealants, this chimney repair sealer has an elastomeric formula that stays pliable over time, resisting brittleness and cracking that can cause leaks; it requires no mixing or special bonding agents
✓BONDS TO MULTIPLE SURFACES: This waterproofing sealant adheres permanently to asphalt shingles, aluminum flashing, brick, and other roofing materials for a secure, long-lasting seal
✓EASY APPLICATION & CLEANUP: Our chimney flashing sealant applies easily with a brush (not included), making repairs quick and simple; cleanup is hassle-free with just soap and water, saving you time and effort
✓DRY TIME & COVERAGE: This waterproof coating sealant dries in 12 hours under dry weather conditions, with a temperature range of 45-90°F; each 1/2-gallon plastic container covers approximately 14 square feet
⚙️ Specifications
Material
Plastic
Brand
CHIMNEYRX
Item dimensions L x W x H
12 x 12 x 12 inches
Water Resistance Level
Water Resistant
Item Form
Liquid
Brand Name
CHIMNEYRX
UPC
709057942645 709057941648
Number of Packs
1
Number of Items
1
Manufacturer
SaverSystems
Model
BHBUKPPAZINH2401