Hairline Crazing in Hardwall Plaster: Surface Keying and Breathable Topcoats
Introduction Hairline crazing in hardwall plaster is fine cracks that form on the surface when the plaster dries and the finish isn’t keyed well enough for the next coat. It happens when the surface isn’t gripping the base layer, or small movements stress the top layers. The fix starts with proper surface keying and choosing […]
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