Instruction: Given a question and its related document, determine if the question is answerable by analyzing the information in the document. Output yes if the document addresses the question, or no otherwise.

Input:
Question: What is the maximum ceiling height (floor to ceiling) that this ladder can accommodate?
Document: Durable and need very small ceiling rough opening(15&#34; * 21&#34;). Easier than I thought to install it.
We have a tight area where our attic access is. This ladder worked just great. I actually did not install the spring mechanism that helps lift the ladder up into the attic. I just installed the ladder at the top, then I use a small step stool to retrieve or retract the ladder in and out of the attic. That way, the spring mechanism doesn't get in my way on the attic floor. Not heavy duty, but does the job well.
During a remodeling project a wall was constructed which inhibited the fold down of my wooden ladder. By installing this ladder we avoided rebuilding the opening to the attic. I have only used it one time but I think it will be easy friendly.
The ladder works great. The hassles are the four latches going down and four latches going up. Consider that the cost of this affordable small opening ladder is that the unit occupies some ten cubic ft of attic space. It's an acceptable compromise for my needs.
I purchased my telescoping ladder from Lowes and installation was straight forward. There is a supplied template that helps in positioning the attic spring mechanism but I found it to be about 2" off the mark before I secured the spring. After a quick adjustment, the mechanism went in as desired.
We will be able to close up much of the large hole required by the present dilapidated wooden ladder which has become a safety hazard. When we have it installed, I'll update the review. I anticipate a satisfactory conclusion to the affair. Warner also manufactured the aluminum ladders we own, which is why I chose their attic ladder.
It does the job and for a good price. It's a bit narrow and flimsy...I wasn't comfortable climbing it the first few times. It took me about 1.5 hours to put the ladder together and install it in my garage...I'm pretty handy and love building. 4 stars due to the price despite being flimsy and narrow.
We purchased this product to hold for our home remodel, which has yet to begin. I can tell you that the first one shipped arrived damaged, apparently by a forklift or something, which must have stuck a fork into the end of the ladder in such a way it was not apparent until we began opening it. I immediately took pictures of the damaged product, and wrote an email through the Amazon vendor site.
Purchased this in a hurry to replace the original wood fold-out ladder when my overweight electrician was on it, it snapped, and he almost got his leg impaled on some jagged wood..I made a mistake with this one. It's not easy to use. You have to push in pins on each side to lower each section. It's very narrow, so chose this if you have no choice.It does not feel very strong. One of the plastic feet already broke off after a couple of uses.
meet my needs, which were space limited. This is a silly feedback an the she free it is on no
Answer: yes