Cryptic crossword No 3,186

Across

1. A wet floor flushes foot out, causing fall (8)
2. Cut drape, trashing the place! One wears uniform for removing trash (12)
3. B? B? Teacher essentially failed my piece of nonfiction (4)
4. Holds locks associated to foyer's front door oddly not working (10)
5. Put on the wrong track covers post-beat (10)
6. Drop a brick from contents of ship (3)
7. Launches off a sled (5)
8. Tank water, alcoholic drink is full of it initially (8)
9. What gets atop spam rarely (7,5)
10. Been worn, it's creased up? (6)
11. Spend a penny on support for tent (6)
12. Man making piano number for reunion member (5)
13. Shop lied to butcher (4)

Down

1. Deck for a medium apartment or a townhome's back bit? (5)
2. Misuse grinder to bash guts (7-2)
3. Talented motion picture movie? (6)
4. Ring 1000, no, 1 100 to reach Health Department (6)
5. Made crook by club and Italian sandwiches (6)
6. Being really warm, take off the covers (4)
7. Release swallows south of plant (5)
8. Opera house's first musical regular (8)
9. Hype show I'll say (8)
10. Duller character (6)
11. Be, say, head over heels for man (5)
12. Wild tiger initially weak being a little disease-ridden (6)
13. If eating each dish (5)
14. Regularly married and knocked about for years (3)
15. Fan needing tips for even fight (3,3)
16. Offended stranger bodied, yes? (9)
17. Fish skin cut open (3)
18. Wander in line without a hint of motivation (4)