Page 571 - 2018 National Home Improvement
P. 571
2018 National Home Improvement Estimator, All Rights Reserved Page 452
Porch and deck demolition. Includes demolition of framing, supports, flooring, posts, railing, wood
stairs. Enclosed porch demolition also includes removal of roof framing, interior finish, gutters,
downspouts and roofing. These figures assume use of hand tools (rather than excavation equipment). All
debris piled on site. No salvage value assumed. Add the cost of debris hauling and dump fees. Add the
cost of electric work, patching of exterior walls and patching of the roof, if required. Cost per square foot
of floor demolished.
Demolish enclosed wood-frame porch
One story BL@.250 SF -- 8.16 8.16
Two story BL@.225 SF -- 7.34 7.34
Three story BL@.196 SF -- 6.39 6.39
Demolish a screened porch built on a concrete slab. Includes demolition of one concrete or wood frame
step to grade. Per square foot of floor area.
Porch and one step (no slab demolition) BL@.100 SF -- 3.26 3.26
Demolish a wood deck with railing or kneewall. Includes demolition of the wood deck and up to 7 steps
to grade.
Deck to 150 SF BL@18.5 Ea -- 603.50 603.50
Add per SF for deck over 150 SF BL@.100 SF -- 3.26 3.26
Porch and deck repair. Includes piling debris on site. No salvage value assumed.
Remove and replace structural deck posts
8' treated post, to 6" x 6" B1@10.3 Ea 18.48 375.40 393.88
8' x 10" wood colonial column B1@11.0 Ea 127.26 401.00 528.26
Built-up 8' to 10' post B1@10.0 Ea 14.54 364.50 379.04
Cut post base and patch 6" x 6" post B1@5.50 Ea 18.38 200.50 218.88
Deck and stair repairs
Chip out decay in joist, reinforce with 2" x 6" to 2" x 10" sister joist
per LF of joist B1@.333 LF 1.74 12.14 13.88
Remove wood porch or deck floor and replace with 5/4" or 2" wood flooring
per SF of flooring B1@.166 SF 2.83 6.05 8.88
Remove and replace wood exterior open stairs,
per SF of tread and landing B1@.725 SF 19.49 26.43 45.92
Post and beam wood deck. Using pressure treated framing lumber with 4" x 6" posts set in concrete.
Includes concrete, pressure treated posts, beams, joists 12" on center, deck plank as described,
galvanized hardware, fasteners, 4' wide stairs from deck level to ground level, 36" high railing with
balusters 4" on center and stair rail. Add for deck skirt and deck finish, if needed. Per square foot of
floor area.
Based on rectangular 12' x 10' deck with railing on four sides and stairway, 24" above ground level.
With 5/4" pressure treated plank B1@.260 SF 10.05 9.48 19.53
With 2" Thompsonized plank B1@.260 SF 10.20 9.48 19.68
With 5/4" western red cedar plank B1@.260 SF 16.26 9.48 25.74
With 5/4" Fiberon deck plank B1@.260 SF 17.37 9.48 26.85
With 5/4" Edeck® plank B1@.260 SF 28.79 9.48 38.26
Based on L-shaped 12' x 12' deck with railing on three sides and stairway, 120" above ground level.
With 5/4" pressure treated plank B1@.330 SF 12.12 12.03 24.15
With 2" Thompsonized plank B1@.330 SF 12.83 12.03 24.86
With 5/4" western red cedar plank B1@.330 SF 20.40 12.03 32.43
With 5/4" Fiberon deck plank B1@.330 SF 21.41 12.03 33.44
With 5/4" Edeck® plank B1@.330 SF 33.33 12.03 45.36
Add for framing to support a spa B1@8.50 LS 125.24 309.80 435.04
Add for split level deck, 6" difference B1@6.00 Ea 130.29 218.70 348.99
Add for stain and sealer finish B1@.006 SF 0.14 0.22 0.36
Pressure treated construction select deck framing lumber. For use above ground. .40 treatment.
Nominal sizes.
2" x 4" x 8' --@.000 Ea 10.09 -- 10.09