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Tondiamo

Foam Backer Rod Gap Filler Grey Rope Caulk, 3/8 Inch X 30 ft

✅ In stock 📉 Price recently dropped
C
Grade
🙂 Fair Price
57.3/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$11.99
Listed $12.99
Save $1.00 8% OFF
Analysis Confidence 100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 2, 2026 6:30 PM · Prices & availability subject to change

Is This a Good Price on Amazon?

🙂 Fair Price
  • 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
  • 💰At 11% off its standard going rate, this offer delivers clear value for the money.
  • 🏷️The listed retail price is trimmed by 8% at checkout.
  • 📉No lower price has surfaced in the past twelve months, making this one of the standout deals in recent memory.
  • 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.

How We Scored This Deal

Price Competitiveness 12.08/28
Recent Value 6.39/22
Market Standing 12.82/20
Deal Strength 16/20
Momentum 10/10

📝 Product Overview

🏪 Sold by Sandsa
📦 Fulfillment Fulfilled by Amazon
🚚 Shipping Free Shipping

Product Details

✓Quality Material: this caulk backer rod is made of quality foam, which is round, closed cell, low density, safe to use, possessing nice flexibility and can be bendable, won't absorb water, you can use it for filling spaces or joints
✓Long Enough: you will receive 1 piece foam backer rod approx. 30 feet long, which can be easily trimmed to the right size with scissors according to your actual needs, sufficient length can meet your daily needs and replacement
✓Effortless to Assemble: the backing rod is soft and flexible, just get the desired part and put it into the space, and press to make it well fit before applying sealant, simple and effortless to assemble
✓Widely Applicable: filler rope is suitable for most kinds of cracks, such as pavement cracks, wall joints and foundations, which can provide a neat surface for caulking projects; Classic gray color can be matched with various styles
✓Versatile to Use: the gray space filler can be applied for glass installations, expansion joints, door and window seam, and pavement joints, you can also use it to protect dog ears, make ring holders, complete craft projects and more

⚙️ Specifications

Brand
Tondiamo
Item Weight
0.15 Pounds
Item Form
Rod
Maximum Gap Fill
0.03 inches
Surface Recommendation
Walls
Water Resistance Level
Waterproof
Number of Items
1
Manufacturer
Tondiamo
Unit Count
1 Count
Material
Foam
Package Dimensions
11.69 x 7.05 x 3.31 inches
C
$11.99
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