Question

asphalt shingles used as siding are different from roofing shingles should be installed with six nails do not require roofing cement will last roughly half as long as shingles on a roof are non - combustible question 21 common window problems include all of the following except frame deformation missing or damaged storm windows and screens cracked or broken glass single glazing condensation between panes

Explanation:

Asphalt shingles used as siding are different from roofing shingles in design and installation. For window - related problems, single glazing is a type of glazing choice rather than a problem in the same sense as the others.

Answer:

1. are different from roofing shingles
2. single glazing