Recently I received a call from Lou Sassi regarding some questions on the application and coloring, etc. of my slate roofs. I will go into the process, but first, a note on coloring & materials:
Over time, the materials and finishes we use change due because of many factors. In my instruction books, one of the primary components of the coloring and weathering was the use of Prismacolor markers, most notably the "Cool Gray" series and the "Warm Gray" series. There have been some changes in the Prismacolor series - most notably the warm grays. Here is what we have now..
- The Cool Grays are available in a nice, well priced set from many sources. In general, Prismacolor has moved to sets instead of individual markers
- As for Warm Grays, they are not available in a set and individual values are hard to find. However, there are other alternatives from the ever-changing art supply world. Most notably, a complete range of warm grays from dickblick.com. Ironically, that is where I used to buy many of my individual (not available anymore) Prismacolor Warm Grays. There are other alternatives to be found elsewhere - many on Amazon, too.
https://www.dickblick.com/products/blick-studio-brush-markers/
For shingle application I use 1/2" 3M Scotch 465 ATG Premium Adhesive Transfer Tape. This is pricey, but a roll lasts me years. Best way to buy is to get a 6 pack from Uline as a group buy with some friends. Also single rolls sometimes on Ebay.
For shingles, there are several top flight kit manufacturers selling laser cut shingles. They are all great!
For the process, I can think of no better way to explain than to post the process from one of my instruction books.
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