Atlas ACFoam-II Flat GRF Fiber Felt Faced 2 Sides 4ft x 8ft Polyiso Roof Insulation Board - All Sizes Size:4 in x 4ft x 8ft (384 Sq Ft/Plt) so it stands up to

so it stands up to windy conditions

Rockwool ComfortBatt R15: With an R-value of 15

Rugged construction endures rough use

Battery Type 21700 Lithium-Ion Polymer Battery Net Weight

Atlas ACFoam-II Flat GRF Fiber Felt Faced 2 Sides 4ft x 8ft Polyiso Roof Insulation Board - All Sizes Size:4 in x 4ft x 8ft (384 Sq Ft/Plt) so it stands up toAtlas ACFoam II is a high performance rigid foam insulation board made with polyisocyanurate (polyiso) core and fiber reinforced felt facers on both sides. Ideal for commercial flat roofing applications, it provides excellent thermal resistance and dimensional stability, contributing to long term roof performance. This insulation board is compatible with a variety of roofing systems and helps meet demanding energy code requirements quickly and cost