Fiber Cement

Fiber Cement Is a Durable Siding That Resembles Wood

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Fiber Cement, including:

  • Design and build strategies
  • Necessary codes
  • Application how-tos
  • Using materials

Lap siding, panel siding, shingles

A durable and fire-resistant siding

The rising cost and diminished quality of wood siding, along with its required maintenance, has broadened the appeal of fiber-cement siding, a mix of portland cement, sand, and cellulose fiber. The siding comes with warranties of up to 50 years. It won’t rot, split, or warp as wood siding can, and it’s ...

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Fri, 08/05/2011 - 21:29

by Jill Buffie

...I'm still on the fence. The experts also thought vermiculite was once a great option too and look how well that turned out.

Thu, 08/04/2011 - 06:34

Edited Thu, 08/04/2011 - 06:35.

Response to Jill Buffie
by Martin Holladay, GBA Advisor

CertainTeed does use fly ash for the manufacture of their fiber-cement siding. Most experts do not believe that the fly-ash content of the siding poses any risks to homeowners. However, if the fly-ash content bothers you, you may wish to purchase a different type of siding.

Here is information from CertainTeed on your question:
Use of Fly Ash in WeatherBoards Fiber Cement Siding.

Wed, 08/03/2011 - 22:12

Certainteed fiber cement siding
by Jill Buffie

I have read on the net that this company uses fly ash instead of silica in their siding and that it has been found to contain mercury and other toxic levels of heavy metals. Does anyone know if this is true?

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