attic / fs-ATTIC (ASL),Cash in the Attic: Season 2 | Rotten Tomatoes,Two Tone Taxi Whistle 143-Antique Brass,Two Tone Taxi Whistle 143-Antique Brass,I want to insulating 1929 attic ceiling so make attic useable space. The rafters are only 3.5 inch deep. Would 2-in R 10 rigid boards between rafters with another horizontal layer on top work? There's no soffit or ridge vents, would foam boards cover roof vents