Hangzhou Singer Building Materials Co., Ltd was founded at 9th., May., 2006. We have 3 factories in China, they are stone coated steel roofing tiles, rain gutter system and asphalt shingles, and with head office in Hangzhou, 2 branchs in Jinan and Tianjing of China. since our start of overseas marketing, we have built very good brand influences in the market.

San-gobuild products not only rich in colors, never to be faded away, modeling beautiful and stereoscopic effect, but also has light weight, waterproof, tough, heat insulation, sound insulation, anti-corrosion, antityphoon, earth quake resistance, fire resistance, stain-resistance, easy to install. San-gobuild products combines the features of the times, to the humanities oriented, the pursuit of harmony between human and nature, the use of green raw materials and advance production of poluttion free process, so to make our home healthier, more livable, it is the first choice for developers, architects, contractors and properties, widely popular, and have outstanding performance in the field of villas, townhouses, apartments, flat to pitched, the placement of housing, tourist areas and other constructions.

Due to its excellent quality, our products has been exported to Africa, Aemrica, Europe, Southeast Asia, Austrilia and so on.

Home to fasion, but also to health, this is the faith of our San-gobuild! the first class brand, the first class quality, excellent service is our consistent commitment! San-gobuild sincerely welcome you to come visit. 

Q:how long is the stone coated tile's sevice time?

A: the aluminum-zinc steel plate is strong the other building material.The glue spraying in surface also adopt new technology.So our roof tiles can be used for more than 50 years.

Q: Will a Steel roof make my home hot in summer?

A: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 ridgelineas cooler air is drawn through eave vents. Reduced energy bills can result from airflow both under andover the decking.
Q: Can you walk on a steel roof?
A:Yes. Some care must be exercised while walking on the roof, but note that roofers walk all over the shingles during the installation process.
Q: Is stone coated metal roofing tile noisy?
A :No! the dead air space between Stone coated metal roofing Panel sand the roof decking combined with the stone coating dampens exterior noise even in a rainstorm.
Q: Is stone coated metal roofing system Heavy?
A :Stone coated roofing tiles truly lightweight! Concrete and clay roofs can weigh up to 15 lbs per squarefoot! In fact stone coated roof tile is even lighter than most high-grade asphalt roof shingles.
Q: Is stone metal roofing tile durability?
A:Yes, the average life of a non-metal roof is 17 years. Asphalt can require re-roofing every 10 to 20years, often sooner. but a metal roofing system offers unmatched durability, lasting 2 to 3 times longer.
Q: how long does it take to install a steel roof?
A :Usually only a few days. the complexity of the buildings roofs cape is the primary factor in determiningthe time required. Complex roofs require more time than basic designs.