Frequently Asked Questions About Stone Coated Roofing System
How long has Stone-Coated Steel roofing been around?
Stone coated steel roofing occurred during World War II when tar and sand were used to cover galvanised steel bunkers.
After the war, the practice was commercialized and the first roofs were produced. Stone coated steel roofs have been protecting
buildings for close to 5oyears, but the product technology today bears little resemblance to early practices due to advances
in the chemistry of coatings.
2. Will a Steel roof make my Home Hot?
No. A properly vented steel roof system moves air both between the shingles and the underlying
deckas well as moving air from vents under the decking. Heated air is allowed to dissipate through the ridge line as cooler
air is drawn through eave vents. Reduced energy bills can result from airflow both under
and over the decking.
3. Can you walk on a steel roof?
Yes. Some care must be exercised while walking on the roof, but note that roofers walk all over the shingles during
the installation process.
4. How do the granules stay bonded to the steel?
Specially graded, non-oiled stone chips, produced by ISP Corporation, are used for all stone coated products.
The finely graded, non-oiled stone granules ensure long-term adhesion to the steel substrate and are embedded in a
UV resistant acrylic polymer for lasting bond to the steel substrate.
5. Will a Steel roof rust?
The steel substrate is protected from corrosion by layers of metallic and polymer coatings. Stone coated utilizes an advanced
metal composite developed by BIEC International and introduced in 1973 as aluminiump-Zinc coated steel.
The composite imporved earlier metallic coatingsby applying an aluminium-zinc alloy to the steel in a continous hotdip process.
The aluminium creates an inert barrier coat while enhancing the long-term performance of zinc and its
ability to protect breaks in the coating. Galvalume coated steel has repeatedly been shown in industry studies, conducted over the
last 20 Years, to out perform the corrosion resistance of other coated metals.
This is why stone coated roof system is referred to as "The final Roofing System", and is Stone coated steel roofing occurred during World War II when tar and sand were used to cover galvanised steel bunkers.
After the war, the practice was commercialized and the first roofs were produced. Stone coated steel roofs have been protecting
buildings for close to 5oyears, but the product technology today bears little resemblance to early practices due to advances
in the chemistry of coatings.
