Flat Roof Ppt

Surfaces below 10 are categorized as flat roofs and surfaces greater than 70 are regarded as walls.

Flat roof ppt.

Whether it is replacement major renovation or settling minor issues on the roof you need to be careful about the choice of the contractor. A pitched roof may be defined as any roof surface that makes an angle of between 10 and 70 to the horizontal. Shed a shed roof is basically a flat roof with a slightly greater angle allowing for greater runoff. From roofs accounted for nearly 1 200 or 34 of the fall deaths during that period.

Unless these hazards are controlled by the employer roofers risk. Evaluate flat roofs as a possible fall hazard. Ask any architect and they ll tell you that hardly any other type of architecture is as timeless and modern as that of flat roof houses. If roof is flat and less than 50 feet wide a competent person safety monitor may be used.

The utilization of liquid waterproofing membrane cementitious materials polyurethane liquid membrane and bituminous. The roof coverings. Introduction it may be defined as the uppermost part of the building provided as a structural covering to protect the building from weather. Roofers encounter many hazards on the job including hazards associated with working at heights and from ladders power tools electricity noise hazardous substances and extreme temperatures.

Roof consists of structural elements which support roof is roof covering. The function of the impermeable barrier is to prevent water penetrations. It should come as no wonder then that these are experiencing a serious comeback right now. Flat a flat roof is not truly flat but angled slightly to allow for water runoff.

Structurally a roof is constructed in the same way as an upper floor though the shape of its upper surface may be different. Roof covering of the top of a building serving to protect against rain snow sunlight wind and extremes of temperature roofs have been constructed in a wide variety of forms flat pitched vaulted domed or in combinations as dictated by technical economic or aesthetic considerations. Regardless of how new or modern a house is there is a good chance that it will be topped off with a flat roof now but if you can t picture how great they look we. These are the main load bearing elements of the roof.

Flat roofs are those slope is less than 1 in 4 and use waterproof membranes. The earliest roofs constructed by man were probably thatched roofs that were made of straw leaves. Waterproofing is the formation of an impervious barrier over surfaces of foundations roofs walls and other structural members. A warning line safety monitor system can be used for flat roofs greater than 50 feet wide with work performed 6 feet or greater from edge.

They span between the wall plate and the ridge. It is the cheapest to build initially but will cost you much more than other roof types in maintenance costs.