I’ve got three guys putting down some new carpeting downstairs. A fairly basic job, I expect – hallway, staircase, one small room. Do I tip them when they’re through?
I didn’t tip mine but, then again, I’m Canadian 
http://boards.straightdope.com/sdmb/showpost.php?p=9728013&postcount=66
My tip for carpet installers is: colored fluffy side up.
My dad is a carpet installer and he is always uncomfortable accepting tips. Some guys in the trade would never turn down the money, but he doesn’t consider it the type of job that merits tips.
Unless it’s cookies. 