CertainTeed Siding Problems: Shrinking, Cracking, Warping of Siding

Last Updated on June 26, 2017

Important Information

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At A Glance

This Alert Affects
Property owners who are experiencing problems with their CertainTeed WeatherBoards fiber cement exterior siding products.
Property owners who have reported CertainTeed siding problems have complained the siding has undergone warping, cracking and shrinking. Several homeowners have also reported large gaps between the siding boards.
WeatherBoards Fiber Cement exterior siding products are manufactured by CertainTeed Corp.
Additional Details
Fiber cement siding is a construction material used to cover the exterior walls of a house. An alternative to vinyl or wood siding, fiber cement siding is known for its durability and strength, as well as its resistance to fire, termites and rot.
One complaint alleged that CertainTeed has been manufacturing and selling defective fiber cement siding since at least 2002.