Can this be used indoors?

We would not recommend this for use indoors. Instead we would suggest the 3M Indoor Insulator Film Mounting Tape.

Why would you choose the exterior version over the interior version? Trying to choose between the two.

The name pretty much sums it up. You'd choose the exterior version for exterior use...

What is the difference between the outdoor and indoor ones?

The adhesive tape is designed to be weatherproof.

I am getting the patio door size. How thick is the plastic? Is it 4Mil or 5Mil

The plastic is .75 mil in thickness. It is stated on the box.

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3M Outdoor Window Insulation Kit, Clear Window Film for Heat and Cold, 5.16 ft. x 7 ft., Covers Two 3 ft. x 5 ft. Windows

3M Outdoor Window Insulation Kit, Clear Window Film for Heat and Cold, 5.16 ft. x 7 ft., Covers Two 3 ft. x 5 ft. Windows

Product ID: 274401609

Details

Brand
3M
Item thickness
0.75 Mils
Material
Plastic
Product dimensions
157.3W

🔥Retains warm air

❄️Blocks cold drafts

🛠️Quick, easy install

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C$3176

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Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

❄️🔥 Seal the chill, save the bill — your windows’ new best friend!

EFFORTLESS SETUP - Apply in minutes with no tools—perfect for busy pros
FROST FREE WINDOWS - Prevents condensation and frost buildup for year-round clarity
ENERGY SAVING SHIELD - Seals out cold, locks in warmth to slash heating bills
CRYSTAL CLEAR COVERAGE - Transparent film keeps your view pristine while insulating
DOUBLE SIDED SCOTCH TAPE - Strong adhesive ensures a secure, lasting fit outdoors

The 3M Outdoor Window Insulation Kit offers a clear, heat-shrink film designed to cover two 3'x5' outdoor windows, effectively blocking cold drafts and retaining warm air. Featuring double-sided Scotch mounting tape for secure application, it reduces heating costs and prevents frost buildup. Easy to install and ideal for outdoor use when temperatures are above 50°F, this kit is a smart, energy-efficient upgrade for any home.

Specifications

ASIN	B0045ZT17Y
ASIN	B0045ZT17Y
Best Sellers Rank	#39,482 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #10 in Weatherproofing Window Insulation Kits
Brand Name	3M
Coverage	covers two 3'x5' outdoor windows
Customer Reviews	4.1 4.1 out of 5 stars (3,400)
Customer reviews	4.1 4.1 out of 5 stars (3,400)
Date First Available	16 August 2012
Department	Unisex-Adult
Global Trade Identification Number	00051141323848
Included Components	3M Outdoor Window Insulator Kit, 2-Window
Is Discontinued By Manufacturer	No
Item Dimensions L x W	157.3W centimeters
Item Thickness	0.75 Mils
Item Type Name	3M Outdoor Window Insulation Kit
Item Weight	0.28 Pounds
Item model number	2170 W-6
Manufacturer	3M CHIMD
Manufacturer	3M CHIMD
Manufacturer Part Number	2170W-6
Material Type	Plastic
Model Number	2170 W-6
Product Dimensions	3.81 x 22.23 x 24.77 cm; 128.82 g
Recommended Uses For Product	Insulating windows, reducing heating costs, and preventing frost build-up on outdoor windows of various sizes
UPC	051141323848
Unit Count	1 Count

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