Step 3 prepare the materials.
How to make a flat roof pitched.
Cut rafters to the hypotenuse of the roof plane depth and stud wall height.
Adding pitch to a flat roof.
Of course you don t need to live in a modern house to deal with a flat roof.
Step 1 calculate the roof span.
To build a roof start by deciding whether you want to put up a flat or pitched roof on your building.
Purchase your materials including prefabricated trusses plywood covering and roof tiles.
If you have a flat roof on a part of your property they often are susceptible to problems and so it is now common practice to convert a flat roof into a pitched roof.
The process for converting a flat roof into a pitched roof depends on your individual structure and your individual needs there is no one size fits all option.
Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.
Some will choose to keep their pre existing flat roof on their structure underneath the new pitched roof to save removal costs but others might not be able to consider that option.
However flat roofs require much more aggressive and consistent maintenance than a pitched roof.
How to make a flat roof have a pitch general steps step 1.
This guide has been submitted by one of the sites members and so it should help to understand what is involved.
Next measure the area and make calculations so you know how much of your chosen materials to buy.
Depending on the climate your flat roof will only last between 15 and 30 years if well maintained.
Install the new material.
Plumb cut the ends of the rafters and place blocking between the rafters.
Tear off the old materials and apply roof sheathing.
If you used long lasting materials on your pitched roof you could expect it to last much longer.
Calculate how much the roof span is going to be by measuring from one top plate to the other top plate.
Flat roofs also don t last as long.
Determine the roof span and pitch.
Step 2 calculate material prices.
Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape.
Robin is working on an extension so we thought we d shadow him for the day and see how he creates a pitched roof or semi pitched roof leading up to a flat.