Page 368 - 2018 National Home Improvement

2018 National Home Improvement Estimator, All Rights Reserved Page 295

Tile backerboard. (Durock™ or Wonderboard™). Water-resistant underlayment for ceramic tile on
floors, walls, countertops, and other interior wet areas. Material cost for 100 square feet (CSF) of board
includes waterproofing membrane, the backerboard (10% waste,) 50 pounds of job-mixed latex-fortified
mortar for the joints and surface skim coat, 75 linear feet of fiberglass joint tape, and 200 1-1/4"
backerboard screws. For scheduling purposes, estimate that a crew of 2 can install, tape and apply the
skim coat on the following quantity of backerboard in an 8-hour day: countertops 180 SF, floors 525 SF,
and walls 350 SF. Use $250.00 as a minimum charge for this type work.
Using 15 lb. felt waterproofing,
per 400 SF, roll --@.000 Ea 17.78 -- 17.78
Using 1/4" or 1/2" backerboard, per 100 SF --@.000 CSF 74.03 -- 74.03
Using 50 lbs. of latex-fortified mortar each
100 SF, per 50 lb. sack --@.000 Ea 33.33 -- 33.33
Using 75 LF of backerboard tape for each 100 SF,
per 50 LF roll --@.000 Ea 6.31 -- 6.31
Using 200 backerboard screws for each 100 SF,
per pack of 200 screws --@.000 Ea 9.12 -- 9.12
Backerboard with waterproofing, mortar, tape and screws.
Countertops T1@.090 SF 1.45 3.19 4.65
Floors T1@.030 SF 1.45 1.06 2.52
Walls T1@.045 SF 1.45 1.60 3.05

Wonderboard® backerboard. Underlayment for tile floors in kitchens and baths and for countertops.
1/4" thickness reduces subfloor modifications to adjacent floors, thresholds, carpets and cabinets. 1/2"
thickness matches up with surrounding 1/2" (12 mm) drywall without the need to use shims or spacers.
Easy to score, snap, cut and nail. For installation cost, see Tile backerboard. Includes 10% waste.
1/4" x 3' x 5' --@.000 SF 0.69 -- 0.69
1/2" x 3' x 5' --@.000 SF 0.74 -- 0.74

RhinoBoard™ backerboard. Lightweight fiber-cement backerboard for interior floors and countertops.
Used under ceramic tile, natural stone, wood, vinyl, and other resilient flooring. Easy to score, snap, cut
and nail. For installation costs, see Tile backerboard. Includes 10% waste.
1/4" x 3' x 5' --@.000 SF 0.93 -- 0.93

Hardibacker® backerboard, James Hardie. Water-resistant, cement-based underlayment for floors,
walls and countertops. Bonds with mastic or latex-modified thin-set tile adhesive. Non-abrasive to
enamel or porcelain surfaces. Easy to score and snap. For installation costs, see Tile backerboard.
Includes 10% waste.
1/4" x 3' x 5' --@.000 SF 0.85 -- 0.85
1/2" x 3' x 5' --@.000 SF 0.90 -- 0.90
1/2" x 4' x 8' --@.000 SF 0.81 -- 0.81

Aqua-Tough™ tile underlayment, USG Interiors. Underlayment for ceramic tile, resilient flooring,
laminated or hardwood flooring in both wet and dry areas. For installation costs, see Tile backerboard.
Includes 10% waste.
1/4" x 4' x 4' --@.000 SF 0.66 -- 0.66

8" x 8" Ceramic Floor Tile

8" ceramic floor tile. Glazed ceramic residential indoor tile. Class 3, light-to-moderate traffic. Case of
25 tiles covers 10 square feet, including 10% waste. See Ceramic Tile Installation for tile setting costs,
including tile backer, thin-set mortar or adhesive and grout.
Ivory --@.000 SF 1.26 -- 1.26
White --@.000 SF 1.26 -- 1.26