Flat Accessible Roof
1.45 h
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Price for 1 m2
33.75 $
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

Everything for repair and construction in one place — AM Builder.
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Estimate for work
Materials
1 m2
Water
0.02 m3
Heat-fused tar paper
2.45 m2
Mineral wool slab (thickness according to the installed partition)
1.03 m2
PE film
0.4 m2
Bitumen-polymer prime coating
0.4 kg
Levelling mortar
0.03 m3
Sloping mortar
0.03 m3
Propane-butane mixture
0.63 kg
Workers
1 m2
Crane operator
0 h
Installer
1.45 h
Instruments
1 m2
Concrete vibrator
p.
Truck-mounted crane
p.
Mobile compressor
p.
Hoist
p.
Utility knife
p.
Tape measure
p.
Gas burner
p.
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Material calculation
Calculate materials, workers, and tools for the quadrature you need
m2