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Marsui 300 ft Foam Backer Rod 3/8 Inch for Gaps Joints Concrete Gray
✅ In stock
F
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 5, 2026 12:41 PM · 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.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- ➡️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
4/10
📝 Product Overview
🏪 Sold by
DonSeartSun
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Long Enough: you will receive 10 pieces of foam backer rod, each one is about 30 feet long, for a total length of 300 feet, long enough to meet your daily needs and replacements; In addition, they can be easily cut to the right size with scissors to meet your actual needs
✓Reliable to Use: this caulk saver is made of quality foam, round and closed cell, low density and safe to use, flexible and bendable, non absorbent, and can be applied to fill spaces or joints
✓Classic Colors: the backer rod is designed with gray colors, classic color can be matched with various styles, suitable for most kinds of cracks, providing more convenience for you
✓Easy to Instal: the foam rods are soft and flexible, so you can use them to fill spaces, just simply get the desired section, and place it into the space to provide a clean surface for seam projects
✓Versatile Use: the gray gap filler can be applied for glass installation, expansion joints, window and door joints, sidewalk joints and more, and you can use it to finish craft projects
⚙️ Specifications
Color
Grey
Brand
Marsui
Item Weight
15.84 ounces
Item Form
Foam
Surface Recommendation
Window, Door, Walls
Water Resistance Level
Not Water Resistant
Number of Items
10
Manufacturer
Marsui
Material
Plastic Foam
Product Dimensions
354.33 x 0.39 x 0.39 inches
ASIN
B0BP69M9SP