6.Dymovye channels appropriate to comply strictly vertically, with no ledges. Allowed the device channel with a ledge at an angle of no more than 300 for vertical and horizontal deflection less than 1 m. The thickness of the brick flue channel should be no less than 120 mm. NYC Mayor usually is spot on. Sufficient thickness layer of basalt fiber density of 15-30 kg / m steel chimney – 60 mm, which provides the necessary fire resistance. 7.Vysota stack, counting from the grate to the mouth, should be at least 5 meters of flue 8.Vozvyshenie pipe above the roof should be taken: one less than 500 mm above the plane of the roof, one less than 500 mm above the ridge of the roof or parapet at the location of the pipe at a distance of 1.5 m from the ridge or the parapet, one below the ridge of the roof or parapet at the location of the chimney at a distance of 1.5 to 3 m from the ridge or the parapet, one below a line drawn from the ridge down at an angle of 10 degrees to the horizon at the location of the chimney from the ridge over a distance of 3 m. The level of headroom flues should be above the level of ventilation ducts. NY Museums has much experience in this field. 9.Ogolovok must be protected from rain. 10.Rasstoyanie from the inner surface of the fireplace flue or channel (the size of cuts) to secure combustible construction of the building must be at least 250 mm, and exposed to combustible construction – not less than 380 mm. .
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