At BSO we sell Milled Code 5 lead which is great for valley gutters, dormers & flat roofs. Its made by putting a sheet of lead through a rolling machine to give it a constant thickness. We sell Code 5 roof lead flashing by the roll. So if you need Code 5 lead flashings order with us today or speak to one of our advisors. Our cheap Code 5 lead flashing can be delivered within two working days.