Page 155 - 2018 National Home Improvement

2018 National Home Improvement Estimator, All Rights Reserved Page 129

Roof Repairs

Tear-off roofing. Includes removing the existing surface and throwing debris into a bin below a
one-story or two-story building. Also includes pulling or driving all protruding nails but no repairs to the
roof deck, flashing or rafters. Add the cost of hauling away debris and dump or recycling fees. Roofing
tear-off will take longer when the pitch is steeper than 6 in 12.
Asphalt or fiberglass shingles, single layer BL@1.00 Sq -- 32.62 32.62
Asphalt or fiberglass shingles, double layer BL@1.45 Sq -- 47.30 47.30
Wood shingles or shakes BL@1.50 Sq -- 48.93 48.93
Slate shingles BL@1.79 Sq -- 58.39 58.39
Clay or concrete tile BL@1.65 Sq -- 53.82 53.82
Remove gravel stop or flashing, per LF BL@.070 LF -- 2.28 2.28
Remove chimney flashing, per chimney BL@1.50 Ea -- 48.93 48.93
Roof insulation board BL@.650 Sq -- 21.20 21.20
Gypsum plank BL@3.16 Sq -- 103.10 103.10
Metal decking BL@3.52 Sq -- 114.80 114.80
Remove vent flashing, per vent BL@.400 Sq -- 13.05 13.05
Remove and reset skylight to 10 SF BL@2.20 Ea -- 71.76 71.76

Tear-off built-up roofing. Includes removing the existing surface and throwing debris into a bin below a
one-story or two-story building. Add the cost of hauling away debris and dump or recycling fees.
Roofing on wood deck BL@1.08 Sq -- 35.23 35.23
Roofing and insulation on wood deck BL@1.73 Sq -- 56.43 56.43
Roofing on concrete deck BL@1.31 Sq -- 42.73 42.73
Roofing and insulation on concrete deck BL@1.96 Sq -- 63.94 63.94

Repair roof deck -- remove and replace. Includes removing the existing surface, throwing debris into
a bin below a one-story or two-story building, pulling or driving all protruding nails but no repairs to
flashing or rafters. Add the cost of hauling away debris and dump or recycling fees. Per square foot
removed and replaced.
2" x 6" T&G boards B1@.032 SF 2.04 1.17 3.21
2" x 10" T&G boards B1@.029 SF 2.06 1.06 3.12
1" x 6" square edge boards B1@.029 SF 1.94 1.06 3.00
1" x 8" square edge boards B1@.027 SF 2.13 0.98 3.12
1" x 12" square edge boards B1@.026 SF 1.98 0.95 2.93
Plywood 4' x 8' sheets or partial sheets B1@.025 SF 0.84 0.91 1.75

Repair roof flashing -- remove and replace.
Roof drain or vent R1@.918 Ea 24.64 35.62 60.26
Flashing felt and counterflashing R1@.160 LF 3.24 6.21 9.45
Pitch pocket, set of two R1@.400 Set 27.57 15.52 43.09
1-ply membrane at headwall R1@.053 LF 0.55 2.06 2.60
2-ply membrane at headwall R1@.076 LF 1.04 2.95 3.99
1-ply felt and flashing at headwall R1@.129 LF 1.19 5.01 6.20
2-ply felt and flashing at headwall R1@.152 LF 1.54 5.90 7.43

Repair roof waterproofing. Install membrane on smooth and clean vertical concrete or masonry
surface, such as a parapet wall. Per square foot.
1-ply R1@.025 SF 1.11 0.97 2.08
2-ply R1@.041 SF 1.96 1.59 3.55
3-ply R1@.056 SF 3.27 2.17 5.45
Vertical joint, 2-ply R1@.046 LF 0.62 1.79 2.40

Non-fibered roof and foundation coat. Moisture barrier on exterior concrete and masonry surfaces or
heavy-duty roof primer.
1.5 gallons per square R1@.006 SF 0.17 0.23 0.40