We've never had any but A&E (now Dometic) and have never had any trouble with them. I did replace the fabric on all three after 10 years though as they were starting to look bad. Never did rip like a friends 5 year old Carefree's did though.
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft
Charter Good Sam Lifetime Member, FMCA, SKP
RV'ing since 1957, NRA Benefactor Life, towing '05 Odyssey