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Lightweight precast concrete is usually called GFRC or glass fibre reinforced
Concrete. Precast concrete usually weights 100 lbs per cubic foot. Gfrc usually weights 10 lbs per lin foot. Precast concrete is a lower end product. Precast
concrete does not simulate limestone as does cast stone. Precast concrete
resembles finished concrete and the surface looks like your garage floor. Cast stone resembles limestone or sandstone. Lightweight cast stone is not a new
product but has been used for years, but not in architectural uses. We at Cast Stone Co are pleased to introduce this lightweight cast stone or lightweight precast concrete if you will, into our line of precast concrete and cast stone.
Because lightweight cast stone is made from fiberglass mixed with real limestone which gives it that stone look, it is not suitable for fireplace mantle treatments.
Although it is A-class fire rated it may scorch. Precast concrete is usually used in lower end track homes where budget is a concern, cast stone is usually used in higher end homes where budget is not a concern. The difference between cast stone and precast concrete is easily seen, and even the novice can appreciate the high quality limestone like finish on a cast stone product. Fireplace mantels or as some call them fireplace mantles look beautiful when constructed from cast stone. Cast stone fireplace mantels are used in any situation. Cast stone fireplace mantels or precast concrete fireplace mantels are both strong and fireproof. Lightweight cast stone fireplace mantels may scorch. Fireplace mantels are a thing of beauty when made from cast stone or precast concrete. Fireplace mantels are also made from wood. Fireplace mantels or fireplace chimneys are the main feature in any room and a fireplace mantel made from cast stone or precast concrete is a sight to behold.
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