Gilded Lamp Shade Working in 10-inch-wide sections, apply a thin layer of size to shade interior with foam brush, stopping at top and bottom rims. Let stand 5 minutes until tacky. Wearing gloves, hold the book of gold leaf sheets over section and gently slide a sheet onto sizing, letting 1 edge catch. Pull book away, and let sheet fall onto shade. Pat leaf with soft brush Patch any cracks by adding small pieces of leaf. Let dry for 12 hours, then smooth wrinkles with a gloved fingertip.