In this post, I intent to describe the methods used for
preventing leakage of water through roof slab. It is a great problem faced by
many house owners who have constructed concrete houses with roof slabs. After a
few years these slabs start leaking and the house owners find it as a big
problem affecting their peace of mind. Some of them try to use different types of cement and other chemical compounds in liquid form and apply it on the
leaking surface. Others use some sort of plastic sheet which is affixed above
the slab in the leaking area. All these efforts produce some kind of relief for
some days and after that period the situation becomes worse. Due to
continuous leaking the iron rods inside the concrete get wet and they start corroding. Then it becomes impossible to prevent leakage, if water is allowed to
fall on them.
The only real solution applicable to this problem is to cover
the leaking area with another covering roof so that rain water does not fall on the
concrete slab. With G.I pipes a truss work is made above the concrete slab and
G.I sheet or Aluminum sheets are paved over them which acts as a roof over the
roof.
Though this is very costly, it has the additional benefit of reducing the
severe heat that is felt inside the house due to the direct heating of the roof
slab in summer season. Almost 60 % of the concrete houses with flat roof slabs are now already protected by these roofs. When hot season arrives the people
who have concrete houses with flat roof rush to workshop people for getting
their roof covered with false roofs as stated above. But they really have a
tough time as the workshop people who
are doing this work are very rough people and at this busy season they go on
accepting jobs one after another and this makes the house owners wait for a
long time and they get irritated.
But Cochin Contractors who are having some good workshop
people under their control, are undertaking this work at a reasonable rate and
get the work completed within 7 days of accepting the work. If we can complete the work within the above said period, then only we will accept the contract.
Sri Janson, Kurisinkal is one of our best workshop owners
whose picture is published here. We undertake to do the work at a rate of 100/-
per square feet for plain work where there is
four side slanting and top corners of the roof are in the traditional Kerala style. For covering the roof with galvanized iron sheets we charge Rs 140/- per square feet. This rate is applicable only for the work he gets from this page subject to the condition that there should be a minimum of 1000 square feet and the site is located within the geographical area covered by postal pin code numbers Kochi 1 to 8. For distant places reasonable extra rate will be charged based on the distance involved ed and considering other relevant aspects. Anybody who wants to know more please contact in phone no: 9605933311.
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