Requirements to Obtaining your License. 1  To become a licensed contractor in Florida, applicants must sit for two exams: business and finance and the trade. 2  Applicants must document four years of experience. 3  The minimum general liability insurance that is required for licensure is $100,000 for bodily injury and $25,000 for property damage.
Upholstery foam can range from $12.00 a sheet (sold in 24 by 24 by 2 inch sections for dining room chairs) to over $126.00 a sheet (6 by 24 by 84 inch). Foam Density Upholstery foam is rated in density by a 2 digit number ranging from 18 to 35 with a decimal point between the 2 numbers so a #18 foam would be 1.8 foam.
Memory foam mattresses generally vary in thickness from less than 8 inches to more than 13 inches. Very few are completely made of memory foam; most have memory foam on the top and a base that is made of something different.f you enjoy sleeping on a plush surface or if you are a side sleeper, look for a memory foam mattress that is about 3 or 4 pounds. If a firm foundation is what you need for a good night's sleep or if you sleep on your back or stomach, look for one that is at least 5 pounds.