Swelling clays in stone can generate damaging stresses during a wetting or a drying cycle, which leads to deterioration of building stones such as Portland Brownstone.

NCPTT and the City of New London will deliver the sixth annual New England Cemetery Monument Conservation workshop on October 7-9, 2008, in New London, Conn.

NCPTT and the City of New London will deliver the sixth annual New England Cemetery Monument Conservation workshop on Oct. 7-9, 2008, in New London, Connecticut.

$695 per participant. Topics Will Include: Condition Assessments, Conservation Ethics, Protection, Cleaning, Stone Loss Repairs, Bases and Resetting, Adhesion & Reinforced Repair, Consolidation.

May 13, 2006 at the Holiday Inn by the Bay, Portland, Maine