Protecting heirloom doilies from long-term tension stress Most heirloom doilies do not deteriorate all at once. The damage usually begins slowly through long-term tension stress created by improper mounting, uneven support pressure, and compression inside the frame. Delicate crochet and lace thread structures react continuously to gravity, mounting force, and environmental movement. Over time, this can gradually distort patterns, flatten dimensional texture, and weaken fragile handcrafted fibers. What proper preservation systems help prevent: • uneven thread tension across mounting zones • stretching and shape distortion over time • compression against glazing surfaces • loss of dimensional crochet detail and texture At Picture Worth Custom Framing, heirloom doily preservation is approached as textile conservation — not standard decorative framing. Controlled spacing, balanced support systems, and archival mounting methods help preserve both the craftsmanship and structural integrity of delicate lacework long-term. Because once tension distortion permanently changes the thread structure, the original heirloom detail may never fully return.