Best Seller | Edge Trim U Seal Extrusion, Silicone Descriptions: • Perfect for wood frame windows, casement windows and numerous other window and door applications • Better insulation by keeping your house sealed during those extreme winter and summer months • Prevent window howling that can occur with a… ... more Edge Trim U Seal Extrusion, Silicone Descriptions: • Perfect for wood frame windows, casement windows and numerous other window and door applications • Better insulation by keeping your house sealed during those extreme winter and summer months • Prevent window howling that can occur with a… Bed Bath & Beyond | | $18.99 FREE shipping go to store |