Flat Accessible Roof

0.135 h
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Price for 1 f2
27.49 $
Complexity
High

Advantages

1. Utility and usability 
2. Spectacular appearance
3. Environment resistance including superior windproof properties

Disadvantages

1. Need to consider accessibility while designing a building 
2. Complicated building 
3. High price

Estimate for work

Materials

Water
0.079 ft3
Heat-fused tar paper
2.445 ft2
Mineral wool slab (thickness according to the installed partition)
1.03 ft2
PE film
0.4 ft2
Bitumen-polymer prime coating
0.082 lb
Levelling mortar
0.103 ft3
Sloping mortar
0.103 ft3
Propane-butane mixture
0.13 lb

Workers

Crane operator
0 h
Electrician-Installer
0.135 h

Instruments

Concrete vibrator
0.093 p.
Truck-mounted crane
0.093 p.
Mobile compressor
0.093 p.
Hoist
0.093 p.
Utility knife
0.093 p.
Tape measure
0.093 p.
Gas burner
0.093 p.
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Material calculation
Calculate materials, workers, and tools for the quadrature you need
f2
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