1 These types of walls should be 18 to 24 high. I like to use the mid range of about 21 as I find this is the most comfortable.  Segments should be at least four feet long. The length depends on the design of the patio, how the walls will fit, what will look best, and the seating required.
Answered by The Community. Making the world better, one answer at a time. Yes Naltrexone has been known to test positive for opiates in almost all at-home drug screens. I was baffled when I tested my daughter, until I called her doctor and confirmed that Naltrexone can indeed cause a false-positive.uboxone can test positive for opiates, as it contains buprenorphine, a mixed agonist-antagonist opiate. Suboxone also contains naloxone, an opiate antag onist.
1 Common Vitamins Supplements can cause a false positive test. 2  Riboflavin (B2) can return a false positive test for THC. 3  Many herbs that contain B vitamins should be of concern. 4  Diseases such as diabetes, liver disease, and kidney infections may register as opiates.he outcome is very specific to the individual and/or the situation. 1  Here are some of the more common sources of a false drug test: 2  Pain relievers such as Advil, Uprin, Motrin. 3  Menstrual cramp medications like Midol and Trendar. 4  Ibuprofen is known to cause positive for Marijuana.