This crossword No. 11375 clues and answers were published on Fri 20 Oct 2006 and the puzzle can be visited by following The Guardian Quick Crossword No. 11375 link.
All Across Clues and Answers:
1-across – Two windowpanes together : DOUBLEGLAZING
8-across – Drinking spree : BOOZEUP
9-across – Ancient Asian city, now in Jordan : PETRA
10-across – Slide out of control : SKID
11-across – European country : BULGARIA
13-across – Damon, writer 1884-1946 : RUNYON
14-across – Fool : NITWIT
17-across – Alters : MODIFIES
19-across – Chimney duct : FLUE
21-across – Take as one’s own : ADOPT
22-across – Divorce settlement : ALIMONY
24-across – Clothes-conscious sufferer? : FASHIONVICTIM
All Down Clues and Answers:
1-down – Fingerprint – fish : DAB
2-down – Ideal : UTOPIAN
3-down – Told fibs – German song : LIED
4-down – Plaster of Paris substance : GYPSUM
5-down – Pianist’s exercise : ARPEGGIO
6-down – Bury : INTER
7-down – Warranty : GUARANTEE
10-down – Rugby player : SCRUMHALF
12-down – Wedding paper : CONFETTI
15-down – Strike : WALKOUT
16-down – Take back : REGAIN
18-down – Scum : DROSS
20-down – Symbol of New Zealand : KIWI
23-down – Sweet potato : YAM
This crossword has in total 26 where 12 are across and 14 are down.