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.
It does not try to rebound as quickly as polyethylene, and it distributes the energy of the compression more broadly. This foam is generally used in products that need to provide more crash protection and are therefore thicker (4-32 thick) and softer.