1 If removing and disposing of the existing roofing material isn't included in an estimate, this can add another $3-$5 a square foot or $510-$1,100 for a basic ranch-style home -- and costs go higher depending on location and the difficulty of the removal project. According to RoofHelp.com, the average lifespan for 20-year asphalt shingles is about 14 years in Phoenix, Arizona; 19.5 years in Minneapolis, Minnesota; and 20.8 years in Reading, Pennsylvania.
Excipients or inactive ingredients are supposed to be inert, which means they don't have any effect on you, but some can cause symptoms by themselvesâ and potentially allergic reactionsâor interact with the drug's active ingredients to cause unexpected results.
noun. 1  a substance, such as sugar or gum, used to prepare a drug or drugs in a form suitable for administration. 2  any of various inert substances added to a prescription to give the desired consistency or form. 3  An excipient is a substance, such as sugar or gum, used to prepare a drug so it is suitable to administer. Excipients - additives used in forming tablets and capsules - bind the active ingredients together. The excipients used in these formulations should not interfere with the active ingredients. An excipient is a substance, such as sugar or gum, used to prepare a drug so it is suitable to administer. Collins English Dictionary.