When the Touch N" Seal Foam mix is sprayed onto your walls, floors and ceilings, the shell of your home becomes protected. It"s this protection that blocks heat gain in the summer and heat loss in the winter, thus preventing dramatic temperatures changes in the home. Insulation delivers comfort and lower energy bills during the hottest and coldest times of the year. You can save up to 20% on your heating and cooling as insulation works best when air is not moving through or around it. A 1000 kit covers 1000 square feet at 1 inch thickness. A 30ft gun hose assembly is included with 8 cone and 2 fan nozzles.