While not fully soundproof, adding a second fabric curtain or using heavier materials like canvas can help reduce noise in the bathroom.

Purchase a mini blind repair kit, thread the new cord through the headrail following the existing path, tie secure knots, and test the operation. For complex repairs, consider replacing the entire blind as repair costs often approach the price of new blinds.

Use blackout fabric as your base layer, add side channels to block light gaps, and choose an outside mount that extends beyond the window frame by at least 2 inches on all sides.