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Methane restricts Clayboard use

Language: English Series: New Civil Engineer ; no 941 11/4/91 p11Publication details: 1991Subject(s): Summary: Methane gas has been found under at least three London buildings. It is thought that the deterioration of Clayboard , a product used in the foundations of buildings, may be the cause.

Methane gas has been found under at least three London buildings. It is thought that the deterioration of Clayboard , a product used in the foundations of buildings, may be the cause.