Finally, apply caulking compound to all seams where parts of the door frame or foundation plates meet the side walls and house.

Also, apply caulking compound to the seam where the ends of adjacent clapboards butt against each other.

If possible, apply caulking compound around the entire perimeter of the window frame where it meets the exterior siding.

To repair simple splits or cracks in shingles, apply caulking compound over the break to cover it.

Next, apply caulking compound to the surfaces against which the frame will rest and press the window into place.

If possible, separate the two sides of the leaking joint, apply caulking compound to both surfaces, then reassemble.

Afterward, apply caulking compound to the seam between the box and the wall.

Then touch up the area with fresh stain, and apply caulking compound to the seam where the ends of adjacent clapboards abut.

If necessary, also apply caulking compound to the seam around the perimeter.

For winter protection, applying or renewing caulking compound is important.