Common mistakes made in the calculation of roof - By: Professor Tiratsyan

Before you buy materials for the construction of the roof, people are always interested in the cost of the roof structure, which in turn depends on the number and value of all the component elements contained in it. The cost of roofing materials and complementary components of elements is determined by the manufacturer, but their number should count. In this article we will discuss some common errors that may occur in the calculation of the roof.

About how much is the roof, we wrote earlier. But the total amount to be spent on the construction of the roof is impossible to know without her exact sizes of all lengths, heights, slopes and other roof slopes. How did you find them? First, all these parameters must be in the project. But people do not always build a private house or a cottage on the project. Yes, and data in a project may differ from actual size. That's the first error in the calculation of the roof.
Council on this case: it is necessary to measure all these parameters in fact, at the site. You can do it yourself, but it is better to invite the experts (in the company of "The Master Roof" has such a service).

The second error in compiling the estimates, which allow employees some roofing companies - is an incorrect calculation of the geometry. At 1:100 scale, the project missed every inch becomes a meter, these meters are converted into the missing area. Here is the missing square meters of material will not be enough at the most inopportune moment. We'll have to buy more, pay for their delivery, and construction costs in the meantime, workers are unemployed.

And if rain or snow? And if the missing materials will not appear on the stock. All of this develops in lost time and money.
Council on this case: usually used for the calculation of specialized programs, but even the ruler, protractor and elementary knowledge of geometry may be sufficient to independently calculate the required number of roofing materials.

The third common mistake - this "neglect" additional material "on edge" and "on retreat" (so-called technological reserve). And they are always present, and their number will depend on the roofing material used and the complexity of the roof. For example, a metal complex on the roof of the material, which will inevitably have to throw in the form of scraps, can reach 50%. So, whether by mistake, either specifically (to reduce the total cost), but some companies is the amount of material is not taken into account.

And the estimate is cheaper than the other. But when the installation of the roof is coming to an end ... Yes, yes. Again, we obtain the situation described above. You apply to the company to buy the missing amount of material, once again pay the shipping. And now your expenses begin to exceed the cost of the proposals from other companies (which originally came out more expensive).

But even to buy the missing construction materials is sometimes difficult: they may not be in stock (then have to wait for an indefinite period) or you can turn out to be uninteresting to the client for a pseudo-company (they do not want to engage in small amounts). And then the search may take a long time.
Council on this case: verify the actual area of roof with roofing materials in the calculation. If these figures are the same or differ only slightly, it is necessary to reflect on the correctness of the calculation of such firms.

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In conclusion, we say, listen to our advice. It is not always cheaper estimates means that it is more advantageous, and often quite the contrary. And before you buy roofing materials in any company, check all the figures and calculations, and compare them with the actual parameters of the roof. And comparing offers from different companies, do not choose a company that once, where a finite sum of lower and note the amount of materials and availability of components in the estimate. And if you do not have to run around in search of material shortages, wasting their time, energy, nerves, and additional funds.

P.S. This article was specially written by experts of the company "Roof Wizard," because to us becomes a huge number of people who are in the situation described in this article. But we can not always help them. Customers who have ordered the materials in our company, we always try to meet and are prepared to assist in the search for the missing stock of materials and their delivery, up to the nail. But these clients of our firm - a rarity. Usually, old customers, we buy more materials for additional buildings. But the people "by the" we can not always help and encourage them to apply to that company, where they bought construction materials. So it is better to buy the materials directly to a reliable firm and in the right quantity, so you do not run the search.

About the Author

I am roof maker. All about gutter heaters.

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