I would not hesitate to recommend Timbercreek Northwest. I have already noticed I no longer get the musty crawlspace odor when my attic fan is running. The liner will make any maintenance under my house much more pleasant.
See below
Courteous, explained the process well.
Courteous, efficient.
In my house and outside great. In the crawlspace there were odd bits of clear plastic wrapper left behind and a bit of debris..dirt and ? at the entrance to the crawlspace. Nothing awful, but I was surprised to see it and will clean it up at some point. And yes I did go down into the crawlspace to look at the installation from just inside the crawlspace entrance.