are a glass-like surface derived from sand. Some manufacturers
offer tiles containing recycled glass light bulb waste,
automobile windshield waste and a waste product from feldspar
mining. tiles are growing in popularity for many reasons. They
are highly durable, freeze-proof and easy to clean and maintain.
They also have a high thermal storage capacity which means they
retain their heat and emit it slowly especially good in climates
which are warm during the day and cool at night. are available
in many varieties, glazed and unglazed, mosaic and quarry tile
and in various sizes, surface textures and colors. Unglazed,
often called Mexican pavers, are all clay usually requiring a
coat of protective sealant before or after installation to
prevent soiling and bacterial growth. They are usually less
expensive than glazed. Glazed tiles are water-resistant, require
no sealant and permanently retain both their hard quality and
their surface issues can include the mining of raw materials
which can produce soil erosion