The right week matters as much as the right method

Around Louisville the outside of a house works on a calendar. Kentucky trees start pollinating as early as February and keep going until about mid June, Derby lands on the first Saturday in May, and Sherwin-Williams says not to paint right after rain or below 50 degrees unless the product is made for it. Each page below covers one of those moments: why it matters, what the sources say, and how to plan the wash around it.

• Getting the House Ready Before Derby Derby is the first Saturday in May, right in the middle of Kentucky's tree pollen season. How to time a house, patio and driveway wash so it still looks clean on the day.
• The Best Time of Year to Wash a House in Louisville Spring is when most people book, but it is also peak pollen. How the Kentucky pollen season, summer heat and cold weather each shape when an exterior wash lasts longest.
• Washing a House Before Painting It Paint will not stick to dirt, mildew or chalk. What Sherwin-Williams and the National Park Service say about cleaning siding before a paint job, and how long to leave between the two.
• Washing a House Before You List It for Sale Buyers see the outside first, in person and in the listing photos. What the National Association of Realtors found about curb appeal, and how to time a wash before photos and showings.

Have a date in mind? Tell us on the contact page or call, and we will tell you how far ahead to book.