0
It is durable
A loft ladder, otherwise known as an attic ladder, is a retractable ladder that is built in to the floor of the attic. An extension ladder is a free standing ladder that can be moved around at will.
comparative - more durable
superlative - most durable
ladder
You could use "ladder" in a sentence like this...
I climbed up the ladder to get in my attic.
My dad owns a ladder.
We keep our ladder in our backyard.
I climbed up the ladder.
Do you own a ladder?