Why does the film not stick to the window? / Why did the film fall off from the window a few hours later?

There is a clear "backing liner" layer attached to the actual "film" layer. The backing liner covers the adhesive on the film so that the film does not prematurely stick. When you install the film, the backing liner needs to be peeled off from it.

Can people see in at night? / Why is the interior visible from outside during nighttime?

If lights are on inside, the interior will be visible at night because it is brighter. Curtains or blinds can be closed at nighttime to block view. (During daytime, you can see out while having privacy from outside due to the sunlight outside.)

Why does the window feel warmer after the film has been installed?

This is an expected result. The window with the film installed feels warmer because the film stops some of the heat. If the film is not there, the heat felt on the window would instead enter the room.

Why did bubbles (or spots where film is not adhering properly) form after the film was installed?

This is due to the moisture left inside. The film may appear fine when installed, but afterwards, the water can interfere with the adhesive and cause bubbles to form. Apply firm pressure with the squeegee and push out the water to prevent bubbles.

Can this film be used on dual pane windows?

This film is not recommended for dual pane windows due to the higher heat absorption rate. This can build up heat between the panes, which would stress the window. (Heat absorption is different from heat blocking rate.)

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BDF NA20 Window Film Daytime Privacy and Sun Control Natural Black 20 (Dark) - 36in X 50ft

BDF NA20 Window Film Daytime Privacy and Sun Control Natural Black 20 (Dark) - 36in X 50ft

Product ID: 70699168

Details

Brand
Color
Black
Installation Type
Peel & Stick
Manufacturer
Material
Polyethylene
Number of Items
1

🌞Blocks 99% UV rays - ultimate sun defense

🖤20% visible light transmission - deep black tint

❄️Up to 50% heat rejection - cool savings

£204.56

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Sold byAmazon JerseyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖤 Stay cool, stay private, stay ahead.

CUT COOLING COSTS - High-performance heat rejection reduces AC load, saving you money all summer long.
PREMIUM QUALITY FILM - Crafted from durable PET material with a strong adhesive for long-lasting, wrinkle-free application.
DIY FRIENDLY INSTALLATION - Comes with free tools and a detailed guide—install like a pro with minimal hassle.
DAYTIME PRIVACY ELEVATED - Dark black finish ensures your space stays private without sacrificing natural light.
UV SHIELD FOR FURNISHINGS - Blocks 99% of harmful UV rays to protect your interiors from fading and damage.

The BDF NA20 Window Film offers a sleek natural black tint that provides superior daytime privacy and blocks 99% of UV rays. Measuring 36 inches by 50 feet, this high-quality PET film delivers up to 50% heat rejection, helping reduce cooling costs. Designed for easy peel-and-stick installation with included tools, it’s perfect for professionals seeking a stylish, energy-efficient upgrade to their windows—just avoid dual pane windows for best results.

Specifications

ASIN	B00FQNO69W
Best Sellers Rank	#77,585 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #136 in Window Films
Brand Name	Buydecorativefilm
Color	Black
Customer Reviews	4.4 4.4 out of 5 stars (1,457)
Installation Type	Peel & Stick
Item Dimensions L x W	600"L x 36"W
Item Weight	16 ounces
Manufacturer	Buydecorativefilm™
Manufacturer Part Number	CSRNA2012100
Material Type	Polyethylene Terephthalate (PET)
Model Number	NA20
Number of Items	1
Size	36in X 50ft
UPC	810203021869
Ultraviolet Light Protection	Yes
Unit Count	150 Square 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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TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

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3 weeks ago

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£204.56

Duties & taxes included

In stock

Sold byAmazon JerseyDelivered 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 Jersey.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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

5 days ago

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