Cost of Asphalt Shingle Roof Installation in Montana$209.90 per 100 sq.ft. (standard quality, overlay existing roof) (Range: $159.92 - $259.87) Free Estimates from Local ProsCost of Tile Roof Installation in Montana$974.52 per 100 sq.ft. (standard quality, no tear off of existing) (Range: $749.63 - $1,199.40) Free Estimates from Local ProsCost of Wood Shake Roof Installation in Montana$607.20 per 100 sq.ft. (standard quality, no tear off of existing) (Range: $524.74 - $689.66) Free Estimates from Local ProsCost of Metal Roof Installation in Montana$859.57 per 100 sq.ft (standing seam, no tear off of existing roof) (Range: $744.63 - $974.51) Free Estimates from Local ProsCost of Slate Roof Installation in Montana$1,261.87 per 100 sq.ft. (not including roof tear off) (Range: $724.64 - $1,799.10) Free Estimates from Local ProsCost of Flat Roof Installation in Montana$172.42 per 100 sq.ft. (asphalt roll, no existing roof tear off) (Range: $129.94 - $214.89) Free Estimates from Local Pros |