Page 140 - 2018 National Home Improvement

2018 National Home Improvement Estimator, All Rights Reserved Page 115

Cleaning and pointing masonry. These costs assume the masonry surface is in fair to good
condition, with no unusual damage. Add the cost of protecting adjacent surfaces such as trim or the
base of the wall, and the cost of scaffolding, if required. Labor required to presoak or saturate the area
cleaned is included in the labor cost. Work more than 12' above floor level will increase costs.
Brushing (hand cleaning) masonry, includes the cost of detergent or chemical solution.
Light cleanup (100 SF per manhour) B9@.010 SF 0.04 0.36 0.40
Medium scrub (75 SF per manhour) B9@.013 SF 0.05 0.46 0.51
Heavy (50 SF per manhour) B9@.020 SF 0.07 0.71 0.78
Water blasting masonry, using rented 400 to 700 PSI power washer with 3 to 8 gallon per minute flow
rate, includes blaster rental at $50 per day.
Smooth face (250 SF per manhour) B9@.004 SF -- 0.14 0.14
Rough face (200 SF per manhour) B9@.005 SF -- 0.18 0.18
Sandblasting masonry, using 150 PSI compressor (with accessories and sand) at $150.00 per day.
Smooth face (50 SF per manhour) B9@.020 SF 0.36 0.71 1.07
Rough face (40 SF per manhour) B9@.025 SF 0.41 0.89 1.30
Steam cleaning masonry, using rented steam cleaning rig (with accessories) at $55.00 per day.
Smooth face (75 SF per manhour) B9@.013 SF 0.07 0.46 0.53
Rough face (55 SF per manhour) B9@.018 SF 0.09 0.64 0.73
Add for masking adjacent surfaces -- % -- 5.0 --
Add for difficult stain removal -- % 50.0 50.0 --
Add for working from scaffold -- % -- 20.0 --
Repointing brick, cut out joint, mask (blend-in), and regrout (tuck pointing).
30 SF per manhour B9@.033 SF 0.09 1.17 1.26

Masonry cleaning. Costs to clean masonry surfaces using commercial cleaning agents, add for
pressure washing and scaffolding equipment.
Typical cleaning of surfaces,
granite, sandstone, terra cotta, brick BL@.015 SF 0.30 0.49 0.79
Cleaning surfaces of heavily carbonated
limestone or cast stone BL@.045 SF 0.40 1.47 1.87
Typical wash with acid and rinse BL@.004 SF 0.46 0.13 0.59

Masonry Fireplaces

Masonry fireplace demolition. Includes breaking a concrete block or brick fireplace and chimney into
manageable pieces using a pneumatic chipper and piling on site. No fireplace foundation included. Add
the cost of debris disposal.
Demolish interior fireplace and chimney,
to 12' high BL@8.00 Ea -- 261.00 261.00
Demolish fireplace and exterior chimney,
to 12' high BL@10.7 Ea -- 349.00 349.00
Demolish chimney over 12' high, per linear foot
of height over 12' BL@.700 Ea -- 22.83 22.83

Masonry fireplace repairs. Chip out using a pneumatic chipper.
Remove firebrick in a firebox wall B9@.388 SF -- 13.80 13.80
Remove firebrick in a firebox floor B9@.204 SF -- 7.25 7.25
Replace firebrick firebox wall or floor B9@.186 SF 5.51 6.61 12.13
Remove and replace nonadjacent fireplace or chimney brick,
per brick removed and replaced B9@.360 Ea 1.10 12.80 13.90
Remove and replace brick in 4" fireplace or chimney wall,
per square foot of wall B9@.675 SF 4.41 24.00 28.41