Author: Ibrahim
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What is couple close roof
This type is similar to a gable roof except that the legs of the common rafters are connected by horizontal ties called tie beams. This tie-beam is attached to the foot of the common rafters to check their tendency to spread outwards and hence avoid the danger of overturning of the walls. Tie tension can…
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What Couple roof is
In this type of roof, each pair or pair of joint rafters is made to slope upward from opposite walls and is supported at the upper ends by a mid-ridge piece or ridge board. The lower ends of ordinary rafters are connected to wall plates embedded in the masonry of the upper part of the…
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Roof lean
It is the simplest type of pitched roof and has rafters that slope in only one direction. Generally, it is used to cover the verandah of the building and projects from the main wall of the building. At the upper ends the rafters are nailed to the wooden wall plates, which are placed on the…
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Roof’s Technical terms
Hip roof: This roof slopes in four directions such that the intersection of the slopes forms an inclined triangle.Gambrel roof: This roof like a gable roof slopes in two directions but there is a break in the slope on each side.Mansard roof: Like the hip roof, this roof also slopes in four directions but there…
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What is Roof
The roof is the topmost part of the building whose main function is to enclose the space and protect it from the effects of weather elements like rain, wind, sun, heat and snow. A good roof is as important as a secure foundation. Just as a well-designed foundation protects a building from damage that starts…
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Fastenings for doors & windows
The various fixtures used are: The hingesBoltLocksThe handle The most commonly used type of hinge is the butt hinge, which ranges in length from 1 to 20 cm. Various types of hinges such as counterflap hinges, spring hinges and parliamentary hinges are also being used. Barrel bolts and tower bolts are the most commonly used…
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Window which are Horizontal sliding
In this type, one or both sashes are arranged to slide horizontally. Sometimes the glasses are suspended from rollers running on an overhead track. Heavy sashes are often provided with nylon rollers at the bottom for ease of operation.
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Window which are Double hung
In this type, both sashes slide vertically and are counterbalanced by the weight of the sash, spiral springs or tape spring balance.
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Collapsing doors
These doors consist of a mild steel frame, made of mild steel channel sections. They are provided with bottom and top rollers to roll them on rails when they are opened or collapsed. These doors operate without hinges and can be opened or closed with a slight pull or push. These doors are widely used…