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Q: How do you work out square meters in a roof 5m x 5.5m roof is 1.5m high from blockwork?

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6 meters (length) x 3 meters (tall) = 18 meters2 There are 18 square meters.

Unless you have a flat roof, no; the surface area of the roof will be larger than the ground area of the building.

Then the height is at LEAST 9 meters (3 floors each 3 meters high) You would need to add any height of the foundation and roof- if any.

To find the area of a roof in square yards, first measure how long it is and how wide it is in feet. Multiply the two numbers together to get the area in square feet. Since there are 9 square feet in a square yard, divide the number by 9 and you will have the area of the roof in square yards. If the house is L shaped, measure the different sections separately and then add the square yards together.

Your roof is a square based pyramid.

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If it's square meters, you are only concerned with area, yes? In this case if it's a flat roof, it will be 5mx5.5m, (no leeway outside of the walls). 5x5.5 is 27.5m2.

6 meters (length) x 3 meters (tall) = 18 meters2 There are 18 square meters.

3 meters high

If the rooftop is flat and shaped like a rectangle ...-- measure the width of the roof, in meters-- measure the length of the roof, in meters-- multiply (width) x (length)-- The product is the area of the roof in square meters.If the rooftop is not shaped like a rectangle, or parts of it are sloped, thenyou must mark it off in several sections, with each section being a rectangle.Then measure and calculate the area of each section as described above, andadd them up.

The area of a roof can be determined from the area covered by the building to the outside of the walls and taking in to account the pitch of the roof by adding on a percentage depending on the pitch. A method is shown at the web link below along with a table of the percentages to be allowed.

what is the cost of a roof per square foot

per roof square.

99.7

Unless you have a flat roof, no; the surface area of the roof will be larger than the ground area of the building.

depends on pitch of roof,and height of roof ,

30.

10