Plaster Near Masonry Chimneys: Expansion Gaps That Prevent Heat-Cycle Cracks
Introduction Expansion gaps between plaster and masonry chimneys help prevent cracks from heating and cooling. When the chimney heats up, the brick or metal behind the plaster expands and the plaster needs room to move. Without a gap, cracks can form as parts push against each other. To set this up during a DIY job, […]
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