Patent ID: 7101608

Claim:
An attic eave vent insulation for horizontal placement between ceiling joists in the attic beneath a roof panel which is supported by rafters, said attic eave vent insulation having a length extending between a first front face and a second rear face and a width extending between two lateral faces which fit between the joists and a height extending between a bottom surface and an upper surface, said vent insulation comprising: a block of rigid foam insulation having no length, width or height dimension which exceeds 2′, a series of ridges interspersed with valleys spaced across said width along said upper surface to afford passageways for air flow in a direction of said length along an undersurface of the roof between the rafters, said height of said block of insulation tapering from said first front face having a first maximum thickness to a second rear face having a second greater maximum thickness.