does it leave any crack when shut, through which roaches could come in?

No cracks and there are even magnets in the door to make sure it stays shut. The magnets are pretty powerful too. So much that my cat could barely get through and I had to demagnetize the door so she could use it. No roaches can get in unless they're like HULK roaches. And if that's the case you may have another problem on your hands.

the bottom half of my screen door is thin aluminum, would this work for it as well?

I also have an aluminum panel in the lower part of the screen and have used this car door. I cut a piece out to the same size as the inside of the door frame. Drill the frame holes in the aluminum and without taking the cat door apart, use SS bolts thru the frame and secure it on the outside of the aluminum door panel with cap nuts. The bolts must be shortened if the cap nuts do not tighten against the panel. I never had a problem with the door after installation.

Does it come with a lock? In case you want to keep your pet outside for some reason?

If your cat wants in, it will just claw the screen and tear it open and come on in. Screen in door isn't very strong.

It that fit for a median dog, weight about 30 lb?

I think 30 pounds is too big. I use it for two cats. One cat weighs 7-8 pounds and the other cat weighs 5 pounds and it is perfect for them. You would need a much larger door. You have to use reinforcement bars to make it sturdy especially with a dog. Maybe this one is a better fit:http://www.amazon.com/Gate-Way-Pet-Door-Screens/dp/B0018C7ZRU/ref=sr_1_1?s=pet-supplies&ie=UTF8&qid=1396423804&sr=1-1&keywords=screen+door+mediumPlease look at the pictures I posted for the reinforcement. Pictures 2,3,4,5 & 8 are of our door installed. I posted notes on two of the pictures. Before installing, pick up Heavy Duty Pet Mesh and add two layers to make door much stronger. I hope this helps!http://www.amazon.com/gp/customer-media/product-gallery/B00023N7TG/ref=cm_cr_dp_cust_img_see_all_img1

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PetSafe Pet Screen Door, Bronze | For Screen Doors or Porch Screens, Puncture-Resistant Mesh, Sliding Wind-Lock, Quick DIY Snap-in Install

PetSafe Pet Screen Door, Bronze | For Screen Doors or Porch Screens, Puncture-Resistant Mesh, Sliding Wind-Lock, Quick DIY Snap-in Install

Product ID: 230996035

Details

Brand
PetSafe
Colour
Brown
Material
Plastic
Mattress Thickness
11.44 Inches
Size
Small (Pack of

🔒Dual sliding wind-locks

⚙️Snap-in install in minutes

🛡️Puncture-resistant mesh

$91.81

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Description

🐾 Unlock your pet’s independence with style and security!

SLEEK BRONZE FRAME - Blends seamlessly with your porch or window screens for a polished look.
SECURE DUAL SLIDE LOCKS - Control your pet’s access with easy-to-use locks for peace of mind.
PERFECT FOR PETS UP TO 30 LBS - Generous 8” x 9¼” flap size designed for small to medium cats and dogs.
DURABLE PUNCTURE RESISTANT MESH - Built to withstand claws and paws, ensuring long-lasting pet freedom.
EFFORTLESS SNAP ON INSTALLATION - Transforms your existing screen door in minutes—no tools, no hassle.

The PetSafe Pet Screen Door is a bronze-colored, high-impact plastic pet door designed for easy snap-in installation on most metal or vinyl-coated screen doors and porch screens. Featuring a puncture-resistant mesh flap measuring 8” W x 9¼” H, it accommodates pets up to 30 lbs. Dual sliding locks provide secure closure, while the sleek frame blends effortlessly with existing screens. Ideal for pet owners seeking a durable, stylish, and hassle-free way to give their cats and dogs outdoor freedom.

Specifications

ASIN	B00023N7TG
Best Sellers Rank	#13,513 in Pet Supplies ( See Top 100 in Pet Supplies ) #3 in Doors
Brand	PetSafe
Closure Type	Snap
Colour	Brown
Customer Reviews	4.2 out of 5 stars 6,656 Reviews
Dog Breed Size	Medium
Enclosure Material	Plastic
Frame Material	Metal,Plastic
Global Trade Identification Number	00081208302004
Included Components	Exterior frame, Flat-head screws, Interior frame with flap and locks, Pet Screen Door
Item Type Name	PetSafe® Pet Screen Door
Item Weight	1 Pounds
Manufacturer	PetSafe
Manufacturer Part Number	P1-ZB-11
Manufacturer Warranty Description	yes
Material	Plastic
Mattress Thickness	11.44 Inches
Maximum Compatible Thickness	11.44 Inches
Minimum Compatible Thickness	1 Inches
Minimum compatible thickness	1 Inches
Model number	P1-ZB-11
Pet Type	Cat, Dog
Size	Small (Pack of 1)
Target Audience	Cats
UPC	081208302004
Unit Count	1.0 Count
Weight Capacity Maximum	30 Pounds

Reviews

S**A

Facile à monter

J'ai acheté cette chatière pour mon moustiquaire et c'est vraiment chouette pour le chat il peut rentrer et sortir sans besoin qu'on lui ouvre la porte.

12.08.2024

C**N

İnce çerçevesi ve doğrudan sineklik filesine montaj imkanı ile çok başarılı

Ürünler hızlı bir şekilde, bir gün içinde elimize geçti. Doğrudan sineklik filesine montaj edilebilmesi ve çerçevesinin ince olması gerçekten çok güzel. Kedilerimiz hemen alıştılar. Sineklik üzerine uygulama için mükemmel bir seçim oldu.

18.04.2026

D**S

It works exactly as advertised - quite well!

This screen door cat flap provides an easy to install solution for cat entry & exit. It was very easy to install the flap onto the screen door, and the provided instructions were clear and straight forward. One of our three cats figured out how to use the door right away. The second is slowly getting the hang of it, and our third is an old pro that has experience with an older version of this entry method and has no issues. Because this is mounted on a screen vice a solid surface, you do need to be mindful of the overall sturdiness of the installation, but this is to be expected too. I recommend this cat door.

18.05.2020

H**L

Krebswarnung

Wirkt Billig - Aufkleber mit Krebswarnung auf der Verpackung angebracht!! “This product can expose you to chemical(s), including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and other reproductive harm.”

9.04.2025

I**A

FÁCIL INSTALAÇÃO

Muito fácil de instalar, eu mesma instalei, e bom material. Minha gata filhote está se adaptando.

7.10.2025

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$91.81

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Good experience, but the tracking updates could be better.

2 months ago

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The delivery time was excellent, and the packaging was secure.

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