It appears that you are missing both step flashing (between the roof and the wall) and the head flashing (above the trim running parallel to the roof line). Here is the link to the Hardie Best Practic ... read more
Hello Linda,
Typically, you do not want to cover existing grout. You will need to remove the old grout and apply your new colored grout. A tile contractor can help you with this project. Please let ... read more