1) Base for shingles 2) Crude roofing material 3) Roof layer 4) Roofing base 5) Roofing layer 6) Roofing material 7) Roofing sheet 8) Salt-y edition of the 25A 9) Shack covering 10) Shantytown shack material 11) Shingle underlayment 12) Thin roofing layer 13) Waterproofing material