Most hallway pet gates use pressure-mounted setups for a no-drill installation. Some models also offer hardware-mounted kits for a more permanent installation, and a few list both pressure- and hardware-mount options.
Yes. Many hallway pet gates include a walk-through door plus convenience features such as auto-close (closes from angles under 90°), hold-open (stays open past 90°), and reversible swing so the door can swing both ways for hands-free use.
Some gates add access features like built-in or lockable small pet doors, full walk-through main doors that swing both ways, and low-profile or anti-trip ramps to make passage easier for strollers, carts, or small pets.
Hallway pet gates are commonly built with metal frames—most often steel or galvanized steel—providing durability and a slim profile.
Several listings specify narrow bar spacing of about 1.37 in to reduce gaps and keep paws and limbs from slipping through. Not every product listing provides a spacing measurement, but 1.37 in is commonly cited where spacing is listed.