Do It Yourself "Our new hose ready sprayer makes applying Shingle Flex quick and easy using a garden hose. Whether you are a homeowner, handy person, roofer or painter, the hose ready sprayer gets the job done quick and easily and no special equipment is required.” Shingle Flex cost savings calculator The Hose Ready Sprayer Special Pre Order Price! $69.95 – $223.84 Select options Each Hose Ready Sprayer (1/2 gal) does 500 Sq. Ft. of roof. All you need is enough hose to reach your roof and our Shingle Flex Hose Ready Sprayers!