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M-D Building Products 71480 1/2-Inch by 20-Feet Backer Rod, Gray

4.8 out of 5 stars 32 customer reviews
| 5 answered questions
Price: $5.82 & FREE Shipping
In stock.
Usually ships within 4 to 5 days.
Ships from and sold by SJS Commercial.
  • Enter your model number above to make sure this fits.
  • Fills large gaps and openings to prevent drafts
  • Provides a sound surface for caulking projects
  • Recommended for use in expansion joints in driveways and sidewalks
  • Twist multiple strands of cord together for extra large gaps
  • Easily trimmed to size with scissors
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$5.82 & FREE Shipping In stock. Usually ships within 4 to 5 days. Ships from and sold by SJS Commercial.

Frequently Bought Together

  • M-D Building Products 71480 1/2-Inch by 20-Feet Backer Rod, Gray
  • +
  • M-D Building Products 71464 Backer Rod For Gaps and Joints, 3/8-by-20 Feet, Gray
  • +
  • M-D Building Products 71506 Backer Rod For Gaps and Joints, 5/8-by-20 Feet, Gray
Total price: $14.78
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This item: M-D Building Products 71480 1/2-Inch by 20-Feet Backer Rod, Gray
Customer Rating 5 out of 5 stars (32) 4 out of 5 stars (28) 4 out of 5 stars (94) 4 out of 5 stars (31)
Price $5.82 $4.99 $8.67 $3.97
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By SJS Commercial TheEnergyConscious Amazon.com Amazon.com
Color Gray Gray Grey Gray
Dimensions 12 inches x 8.75 inches 14 inches x 12 inches 16 inches x 16 inches 9.6 inches x 9.2 inches
Item Package Weight 0.02 pounds 0.25 pounds 0.01 pounds 0.25 pounds
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Product Description

Product Description

Poly Foam Caulk Saver acts as a filler in large gaps before applying caulk. Insulates and cushions. Use in pavement cracks wall joints and foundations.

From the Manufacturer

Poly Foam Caulk Saver acts as a filler in large gaps before applying caulk. Insulates and cushions. Use in pavement cracks wall joints and foundations.

Product Information

Technical Details

Part Number 71480
Item Weight 0.3 ounces
Product Dimensions 12 x 8.8 x 2 inches
Item model number 71480
Size EA
Color Gray
Material Polyethylene
Item Package Quantity 1
Batteries Required? No

Additional Information

ASIN B000BQWOC0
Customer Reviews
4.8 out of 5 stars 32 customer reviews

4.8 out of 5 stars
Best Sellers Rank #39,613 in Home Improvements (See top 100)
#70 in Home Improvement > Hardware > Adhesives & Sealers > Caulk > Adhesive Caulk
#209 in Industrial & Scientific > Tapes, Adhesives & Sealants > Industrial Sealants
#717 in Home Improvement > Painting Supplies & Wall Treatments > Prep Materials
Shipping Weight 0.3 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available October 12, 2005

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Customer Reviews

Top Customer Reviews

5.0 out of 5 starsIdeal for large gaps
By barbara carpenter on July 27, 2013
Verified Purchase
In repainting bathroom, I removed the old, broken up caulking along the top of a fiberglass one-piece shower/tub unit, where it met the sheetrock. It left a large gap that seemed too big to just re-caulk. After reading a number of very helpful forums, i found mention of this product, and am thrilled I did. It was very easy to work with and caulk over. It helped form a perfect seal, and now you'd never know it's there. It arrived very fast. Great service. Product exactly as described. Very happy with results.
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5.0 out of 5 starsGreat for big gaps
By DiegoGar on July 28, 2013
Verified Purchase
This is what you need to use when caulking giant gaps. Everyone tends to just fill the gaps with caulking, Not Correct; first use the backer rod in the gap and then caulk. Saves you a ton of caulking. It helps with caulking expanding and contracting.
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5.0 out of 5 starsGreat for filling large gaps!
By GatorDO17 on February 15, 2016
Verified Purchase
This foam backer rod works great to fill larger gaps prior to applying cocking sealant. The foam is very flexible and can be used to fill even smaller cracks if you use a took to firmly press the backer in place (I used a plastic scraper to press the backer into a small crack). I used this backer to fill a large gap around a door frame in the old house we are renting because the framework has apparently shifted over time. I then filled the crack with a brown wood cocking sealant and the crack is no longer noticeable.
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3.0 out of 5 starslight weight and soft
By lairbear on May 14, 2016
Verified Purchase
This seems to be a decent product. Definitely light weight and soft. I underestimated the size I would need. I bought this prior to doing enough research. Remember, BACKER ROD NEEDS TO FIT TIGHT. So, if there are any gaps larger than 1/2", you should get a larger size.

For my project, I actually ended up using a stronger 2" backer, and then cut it in half, and even in quarters, for most of the length. Choose your backer rod according to the largest part of the gap. Depending on your needs, this may be the width or the depth at the largest point. While it might work to double it up for a small area for a deep crevice, Do not try to double it up for an area that is too wide. You will be disappointed.
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5.0 out of 5 starsGood quality backer rod, and nicely packaged so no damage.
By CloselyChecking on July 25, 2013
Verified Purchase
yes if you need only 20 feet, this is great.
The material is good quality with a good surface toughness so you can squish it into cracks fairly easily.
I put polyurethane caulk over it and the combination works fine.
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5.0 out of 5 starsGreat for the bigger caulk gaps
By Monica Reineke on April 17, 2016
Verified Purchase
Worked great! We had an installed vanity with a small gap, but a little too big to just caulk. This product worked perfectly! We also used this in the kitchen, since we were not able to use crown moulding in our remodel with our cabinets. The slight variation in the ceiling and walls made for a bit of a gap there as well, so this product saved us! You can't tell there was a gap at all! Just this backer and caulk, and everything is fixed!
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5.0 out of 5 starsHonest Review-Ear posting
By Anonymous on July 4, 2015
Verified Purchase
I bought this to post my dog's ears up, I have a doberman with cropped ears.
This backer rod came in a coiled up package just like the picture and the product was fully intact and not damaged at all. It was surrounded by padding so you know the packager made sure it was in good condition.
I used this to hold my pup's ears up and it is the perfect shape and strength for the project! You need wrap the backer rod in duct tape, stick into the ear canal and tape it in place. My pup's ears are standing perfectly and I would definitely recommend this product to anone!

Pros:
-Package was supported with padding and not damaged
-Product was in perfect condition to cut any length you want
-Strong enough for a puppy's ears but very cousiony so it doesn't harm the ears

Cons:
-None noted other than it is coiled so you need to straighten out before posting
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5.0 out of 5 starsPack it in
By Good Sabum on April 11, 2014
Verified Purchase
Bought a stone house 6 months ago. Have seen some cracks in the cement/mortar and around the window and door frames. Think this will be the stuff I need to help close those gaps.
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