Learn the difference between leading roofing materials. From slate to steel and shingles. EZHS has you covered. Literally. Call us: 314-665-1860. WARNING: Not all roofing materials are created equal…and don't let anybody tell you different.Talk to any roofing company in St. Paul, MO or walk into any "Big-Box" retailer and you'll see just how extensive your choices of roofing material really are.