â How long does nicotine stay in your system (hair tests) This is a reliable method to measure long-term nicotine use, but is an expensive method of testing. This method is extremely accurate for a period of up to 3 months after stop smoking, and can detect nicotine use for up to 1 year after quitting. â How long does nicotine stay in your system (system clean) Most people believe that nicotine is out of your system in just 3 days, but that is not correct.
1 White ceilings also keep the focus on the color of the walls while making the walls appear brighter.  Should you decide to opt for a true color on your ceiling, do not use the same color on your walls.
If you are going to paint the ceiling, definitely do it before you paint the walls. Use a brush for the trim and for cutting in on the walls. Use a roller for the big, open wall surfaces. Use high-quality painters tape to create straight lines. Make sure paint is all the way dry before applying tape to it.