If you have put a tar roof on a building with aluminum siding, the tar get splattered in places you don't want very easily. Removing the tar from your aluminum siding can be a big chore. This is a guide about removing tar from aluminum siding.
Here are questions related to Removing Tar from Aluminum Siding.
You might try a little baking soda using a rag slightly moistened first with water then with a few drops of vegetable oil. I just cleaned up a small quantity of tar from our new (and white!) laminate floor and white refrigerator handle. It came off incredibly easily and left no stain or mark.
They have tar removers at auto stores that works great. It will work on siding. (08/30/2004)
RE: Removing Tar from House Siding
Always do a test spot. if your not careful your cleaner could melt the siding or fade the colouring of it. So test it first on a small area before you go crazy. Butter works for disolving tar as well. Is very safe on siding. Just make sure you get it all off or a dog or cat may start to lick your house. (04/27/2006)