Best Cardinal Gates Door Stair Baby Gates in 2026

A maximum safety gate designed for the top of a stairway but it's great for all areas

One hand operation for adults ( the latch system baffles toddlers )

Has an optional stop bracket that prevents opening over a stairway for greater safety. Swinging Gate: Yes

FIT LARGER OPENINGS - Add 21.75 inches of width to your Cardinal Gates safety gate. Our baby gate extension is perfect for wider openings.

COMPATIBLE WITH CARDINAL GATES SAFETY GATES - Our dog gate extension works with the following Cardinal Gates safety gates: Stairway Special (model SS30), Outdoor Safety Gate (model SS30OD), and Auto-Lock Safety Gate (model MG15).

EASY TO INSTALL - Using the included bolts and washers, attach your extension to the hinge side of your safety gate. After you attach the extension to the gate you can continue with the hassle-free installation of your pet gate.

extend width of gate to fit openings 42. 5" - 64. 25"

Weatherproof - No better gate for outdoor use

Perfect for patios and decks

Easy installation

Will Mount at any angle

Features all steel construction with powder coated finish

Width adjustable from 26.5 to 41.5 inches. Height is 29.5 inches

Baby Gate

Latch system baffles toddlers, yet allows one had operation for mom

One way opening for top of stairs

EXTRA WIDE SAFETY GATE: 100" x 2" x 29½". This pet gate fits 90" openings The dimensions ensure that the gate is larger than the normal gate and the panels are able to be configured in any order to account for unique openings or unique installations. Stays open if needed. Use for standard to larger openings and the gate's height is above the industry standard to keep climbers and jumpers out of harm’s way. 15” extensions available (Model EX15)

HARDWARE MOUNTED: Easy to install into any doorway, hallway, or stairway. Comes with all necessary mounting hardware. Latch opens quickly and smoothly for a seamless entry and exit every time. Hardware mounted gates are the recommended solution for stairways.

BUILT TO LAST: Our safety gates are designed and constructed with longevity in mind. Our gates are made from durable, high quality steel alloy that has been powder coated for added strength. Our vertical-bar design curbs stress on the gate's joints typically caused by pushing and pulling. All of our safety gates have earned the coveted JPMA (Juvenile Products Manufacturers Association) seal, indicating that we have exceeded international voluntary safety standards.

Easy one hand operation: This gate can be quickly and easily operated with one hand. Our push button technology allows for added convenience without sacrificing safety. Ideal for high-traffic areas such as the top of stairways, and doorways. Install in a zigzag configuration for maximum stability

Built TO last: This Baby gate is designed and constructed with longevity in mind. The safety gates are made entirely from a durable, high quality steel alloy. Our vertical-bar design curbs stress on the gate’s joints typically caused by pushing and pulling. All of our gates have earned the coveted JPMA (juvenile products manufacturers Association) seal, indicating that we have exceeded the international voluntary safety standards.

Hardware mounted: easy to install into any doorway, hallway, or stairway. Comes with all necessary mounting hardware. Latch opens quickly and smoothly for a seamless entry and exit every time. Baby gates for stairs are one of the most important safeguards for a secure home environment and hardware mounted gates are the only viable solution for stairways. Also works great as a pet gate.

Protects your fine woodwork - great gate mount alternative

Fits round posts 2.125-in. to 3.75-in. in diameter

Solid Poplar construction, paint or stain to match existing;

FREESTANDING MEANS NO INSTALLATION: This indoor dog fence is ready for use straight out of the box. No assembly or configuration required. Can be easily moved throughout your home.

DIMENSIONS AND INFORMATION: 2¼ " Bar Spacing for small pets; 20" Height, 28" - 51¾" Adjustable width; Unlimited number of extensions can be added. Rubber-bottomed feet to protect floors and add stability.

VARIETY OF WOOD FINISHES: Solid wood construction available in Natural, Oak, Walnut, or White.

Easy One-Hand Operation: Walk through safety gate, easy for adults to use and will keep kids safe.

Adjustable Mounting Brackets: This puppy/child barrier can can be adjusted to meet your needs.

Steel Construction: Can handle punishment from dogs or children, the hardware mount will stay put.

HARDWARE MOUNTED: Easy to install into any doorway, hallway, or stairway. Comes with all necessary mounting hardware. Latch opens quickly and smoothly for a seamless entry and exit every time. Dog gates for stairs are one of the most important safeguards for a secure home environment and hardware mounted gates are the only viable solution for stairways.

GREAT GATE TO GROW WITH: The gate's width is adjustable from 26½" to 41½" and the height is 29½". This gate is designed as an adult dog gate; however, it is also perfect as a puppy gate.

BUILT TO LAST: Our indoor pet gate is designed and constructed with longevity in mind. Our pet gates are made from a durable, high quality metal construction. Our vertical-bar design curbs stress on the gate's joints typically caused by pushing and pulling.

Pressure mounted: rubber tipped threaded spindle Rods Push out against your wall for a less invasive alternative to hardware-mounted. The rubber tips protect your walls from scratches and scrapes. Perfect for doorways and hallways. Easily removed by loosening the spindles.

Built TO last: Our baby gates are designed and constructed with longevity in mind. Our gates are made entirely from a durable, high quality steel alloy. Our vertical-bar design curbs stress on the gate’s joints typically caused by pushing and pulling. All of our gates have earned the coveted JPMA (juvenile products manufacturers Association) seal, indicating that we have exceeded the international voluntary safety standards.

Easy one hand operation: gate can be quickly and easily operated with one hand. Our push button technology allows for added convenience without sacrificing safety. Ideal for high-traffic areas.

Pressure mounted: No screws, easy to install

Auto Lock AND Auto Close: Simple to shut, closes and locks itself

Door opens in either direction

Extension adds additional 21.75-inches in width to your Cardinal Gates MG15, SS30, and SS30OD

Adjust your gate to fit a wider opening by adding this extension

All-metal construction

Add 21¾" of width to stairway special outdoor safety gate (model SS 30OD BR C)

Aluminum construction with all metal parts.Bar Spacing 2.5 inch

Easy to install

EASY CONFIGURATION: Easily add this extension to the Cardinal Gates Stairway Angle Baby Gate 27"-41½", White and/or Cardinal Gates Auto-Lock Gate, White (Item Model Number: MG15 and SS30)

ADDS NEEDED WIDTH: This width extension adds an additional 21¼ " of width to your gate.

DISCLAIMER: Sold separately. Attach the extension ends to the gate as directed. Doesn't work with other brands.

Configurable: Easily add this extension to the Extra Tall Premium Pressure Gate by Cardinal Gates (ASIN: B00RQP6WJ0 / Item SKU: XTPPG-B-P ). Simple installation.

Add Width: this gate extension adds an additional 5. 5" Of width to your gate.

Combine: may be paired with another extension.

PRESSURE MOUNTED: Rubber tipped threaded spindle rods push out against your wall for a less invasive alternative to mounted hardware. The rubber tips protect your walls from scratches and scrapes. Perfect for doorways and hallways. Easily removed by loosening the spindles.

GREAT GATE TO GROW WITH: The gate's dimensions are 28.8" by 36" which is 20% taller than most gates. This gate is designed as an extra tall baby gate.

EASY ONE HAND OPERATION: Gate can be quickly and easily operated with one hand, adding convenience without sacrificing safety. Ideal for high-traffic areas such as the top of stairways, and doorways.

Adds 2. 75 Inch of width to gate

Easy to install

May be paired with another extension

Keeps pets safe from openings in decks and balconies

Durable yet can be cut with scissors

Easy to install