Can you double up on it if it's not thick enough?

Yes you should be able to with it being sticky it will stick to itself and double the thickness

Does it keep dust out?

i used it on my comp , & i haven't had any problems with dust. just be sure to seal it tight when using it. Darlene.

Could this be used to fill gaps between door sides and frame where bugs are coming in?

I believe so; we used this to fill a gap around our door. The intent was to keep the cold air from coming in during the winter months, but it works to seal the gap, preventing anything from coming in/out (air, bugs, etc.).

is this double stick?

if you mean double sided adhesive, the answer is no

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Frost King R338H Self-Stick Rubber Foam Weatherseal, 3/8"W, 3/16"T, Black|Blacks

Frost King R338H Self-Stick Rubber Foam Weatherseal, 3/8"W, 3/16"T, Black|Blacks

Product ID: 13766141

Details

Brand
Frost King
Color
black|Blacks
Item Thickness
0.25 Inches
Material
Rubber
Product Dimensions
120"L x 0.38"W

📏3/8"W x 3/16"T precision fit

🛠️Self-stick for effortless installation

🛡️Superior shock absorption & durability

$7.44

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Description

🛡️ Seal the deal, silence the noise, and stay ahead of the chill!

BUILT TO LAST - Extra tough rubber foam resists wear, compression, and environmental damage for long-term reliability.
VERSATILE PERFORMANCE - Perfect for home, automotive, and marine use—seal gaps, stop rattles, and cushion appliances effortlessly.
PEEL STICK SIMPLICITY - No tools, no hassle—just peel and apply for instant weatherproofing and noise reduction.
PRECISION ENGINEERED SEAL - Exact 3/8" width and 3/16" thickness for a flawless fit around windows, doors, and more.
MADE IN THE USA WITH LIFETIME WARRANTY - Trust in quality craftsmanship backed by a limited lifetime warranty for peace of mind.

Frost King R338H is a premium self-stick rubber foam weatherseal tape measuring 3/8" wide by 3/16" thick and 10 feet long. Designed for superior shock absorption and durability, it provides an airtight seal around windows, doors, vehicles, and appliances. Made in the USA and backed by a limited lifetime warranty, this versatile weatherstrip is a top-rated solution for energy efficiency, noise reduction, and long-lasting protection.

Specifications

ASIN	B000BQWWF4
Best Sellers Rank	#1,097 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7 in Weather Stripping
Brand	Frost King
Brand Name	Frost King
Color	black\|Blacks
Customer Reviews	4.4 out of 5 stars 11,203 Reviews
Included Components	No
Item Dimensions L x W	120"L x 0.38"W
Item Thickness	0.25 Inches
Item Type Name	Rubber Foam Weatherseal
Item Weight	0.6 Ounces
Manufacturer	Frost King
Manufacturer Contact Information	1-800-526-5265
Manufacturer Part Number	R338H
Manufacturer Warranty Description	Limited Lifetime Warranty
Material	Rubber
Material Type	Rubber
Model Number	R338H
Number of Items	1
Product Dimensions	120"L x 0.38"W
Recommended Uses For Product	weatherstripping, sealing gaps in vehicles, cushioning and stabilizing appliances
UPC	077578012209
Unit Count	10.0 Feet

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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.

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$7.44

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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