Is it safe to use near hot water baseboard radiators? I want to use it behind radiator cover as a temporary fix for a cold draft.

I suspect it would be safe if between the wall and the top cover of the baseboard, assuming you have standard baseboard covers like mine -- which never get super hot. It's foam, and will likely melt if too close to a heat source. To be on the safe side, I'd suggest first contacting the company directly.

I live in an apartment and i feel a draft coming through the cracks of my window would this help? Im trying to avoid using weather tape

I purchased the medium backer rod and they are 1/2" thick. I think the one I purchased would be too thick to insert into the crack of your windows. Maybe there is a smaller version that would work for you.

What caulking do u need for this ?

I did use caulk as it was used to support a garage door seal as the bottom of the door.

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M-d Products .50in. X 20ft. Backer Rod For Gaps & Joints 71480

M-d Products .50in. X 20ft. Backer Rod For Gaps & Joints 71480

Product ID: 77420348

Details

Brand
M-D Building
Colour
Gray
Item form
Paste
Item weight
9 g
Maximum gap fill
0.5 Inches

💧Closed-cell, water resistant

📏0.5 in max gap fill

🧱20 ft length for extensive coverage

8642 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Seal smart, build strong — don’t let gaps hold you back!

EXTENDED REACH - 20 feet of durable backer rod ensures you’re ready for any project size.
PRECISION GAP FILLER - Perfectly sized 0.5-inch diameter to seal cracks with surgical accuracy.
CUSTOMIZABLE STRENGTH - Twist multiple strands together to tackle larger gaps, giving you full control over your seal.
VERSATILE APPLICATION - Ideal for pavement cracks, wall joints, foundations, sidewalks, and driveways—professional-grade reliability.
WATER RESISTANT SHIELD - Closed-cell polyethylene blocks moisture, protecting your surfaces from damage.

M-D Products 0.5in x 20ft Backer Rod is a gray, closed-cell polyethylene foam rod designed to fill and insulate gaps up to 0.5 inches in walls, pavements, foundations, and driveways. Its water-resistant, non-absorbent material prevents moisture intrusion and enhances caulking performance, making it an essential tool for professional-grade weatherization and crack repair.

Specifications

ASIN	B000BQWOC0
Best Sellers Rank	674,114 in Beauty ( See Top 100 in Beauty ) 7,533 in Body Oils
Brand	M-D Building Products
Colour	Gray
Customer Reviews	4.6 4.6 out of 5 stars (3,674)
Global Trade Identification Number	00043374714807
Item Form	Paste
Item Weight	9 g
Manufacturer	M D Building Products
Manufacturer Part Number	71480
Material	Polyethylene (PE)
Maximum Gap Fill	0.5 Inches
Model Number	71480
Number of Items	1
Surface Recommendation	wall
UPC	043374714807
Unit Count	1.0 count
Water Resistance Level	Water Resistant

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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8642 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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