Case 1

Insulation—RSI 5.28 (R-30) total, installed as two layers, 7.62 cm (3 in.) RSI 3.06 (R-17.4) and 5.59 cm (2.2 in.) RSI 2.22 (R-12.6). Mechanically-attached.

Membrane—mechanically-attached.

Case 2

Insulation—RSI 5.28 (R-30) total, installed as two layers, 7.62 cm (3 in.) RSI 3.06 (R-17.4) and 5.59 cm (2.2 in.) RSI 2.22 (R-12.6). Mechanically-attached using induction welded plates.

Membrane—attached via induction welding to insulation plates.

Case 3

Insulation—RSI 5.28 (R-30) total, 3.81 cm. (1.5 in) RSI 1.51 (R-8.6) mechanically-attached, 9.65 cm (3.8 in) RSI 3.77 (R-21.4), attached with adhesive

Membrane—attached with adhesive

Case 4

Insulation—RSI 5.28 (R-30) total, 3.81 cm (1.5 in.) RSI 1.51 (R-8.6), 9.65 cm (3.8 in) RSI 3.77 (R-21.4), both attached with adhesive

Membrane—attached with adhesive