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# Cost to build a rooftop deck

## 2017 Rooftop deck cost calculator

 Input parameters Area dimensions Area 1 Area 2 Area 3 Area width W1 Area length L2 Initial expenses per square foot Cost of materials3 Cost of labor4 Additional charges by contractor for customization per deck5 Custom railing installation Building roof structure Building benches

 Computed parameters Project summary Total rooftop deck area6 Sq. Ft. Amount of decking boards to purchase7 Sq. Ft. Estimated time to complete the project8 Estimated expenses Total cost of materials9 \$ Labor cost10 \$ Total additional charges11 \$ Total cost to build a deck12 \$
 Cost comparison DIY deck construction cost vs Cost to hire a contractor \$ \$ DIY savings \$

Input parameters:

All numbers should be entered as real numbers which are bigger than 0 (zero) for specific value or equal to zero for no value parameters.

1 W – width of rooftop deck area in feet. Inches values should be entered as real number means 3 inches = 0.25 feet; 6” = 0.5’; 9” = 0.75’ and so on.

2 L – length of rooftop deck area in feet. Input real numbers only.

Rooftop deck cost calculator computes project size, average completion time, and total cost to build a new deck. Calculator estimates total expenses of up to three deck areas at a time.

3 Cost of materials is an initial amount spent on purchasing necessary materials to build one square foot of rooftop deck.

4 Cost of labor is a contractor’s fee to build a new rooftop deck per square foot.

5 Additional charges reflect extra expenses for building supplementary elements or adding custom designed structures to the deck.

Computed parameters:

6 Total area is actual surface area of a new deck. Total area in square feet is rounded to the nearest whole bigger number.

7 Amount of decking boards to buy is an actual amount of decking in square feet necessary to purchase for building a new rooftop deck. Computed number includes typical waste factor.

8 Time to complete the project is an approximate number of days necessary for an experienced crew to build a simple deck on a flat roof.

9 Total cost of material is an actual amount spent on purchasing lumber, joist hangers, deck screws, flashing, decking boards and other materials necessary for building a new rooftop deck.

10 Labor cost is a total charge to complete building a new deck.

11 Additional charges are extra fees for building custom designed elements or other structures on a rooftop deck.

12 Total cost to build a new deck is a gross amount homeowners should expect to pay for building a new deck based on project size, actual materials expenses, cost of labor and possible additional charges and fees.

Cost comparison gives an idea what you can expect to save in case of completing building a new rooftop deck as a do it yourself project.

 Rooftop deck cost calculator is for a general purpose only. Every home improvement project is unique, and labor charges and fees might vary depending on work complexity. Only local contractor is able to price the work after analyzing its difficulty. In addition, materials prices greatly vary, and for computing correct cost all input numbers must be actual and exact.