Dairy Products. Milk doesn't contain yeast, but some other dairy products are made by fermentation, which means that they may contain yeast. If you're trying to avoid yeast, don't eat yogurt, kefir, buttermilk or cheese. Butter, cream and ice cream, however, are not likely to contain yeast.airy Products. Milk doesn't contain yeast, but some other dairy products are made by fermentation, which means that they may contain yeast. If you're trying to avoid yeast, don't eat yogurt, kefir, buttermilk or cheese. Butter, cream and ice cream, however, are not likely to contain yeast.
Flex SealÂ® is now available in White, Brown, Almond, Silver, Green, Blue, Red, Terra-Cotta, and Yellow!
Q: How do I apply Flex SealÂ®. 1  Read entire can. Wear face and eye protection, protective gloves, and clothing. 2  Make sure the area is clean, dry and free of grease, oil, and dirt. 3  Shake well: Spray 8â to 12â from surface using an even sweeping motion.  Apply several even coats until ALL cracks and holes have been filled.