How To Make A Flat Roof Pitched

Step 2 calculate material prices.

How to make a flat roof pitched. Determine the roof span and pitch. Step 1 calculate the roof span. 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. However flat roofs require much more aggressive and consistent maintenance than a pitched roof.

At the intersection with the existing roof decking and stud wall make bird mouth cuts and fix the rafters at 16 inches on center using toe nailing or joist hangers. How to make a flat roof have a pitch general steps step 1. To build a roof start by deciding whether you want to put up a flat or pitched roof on your building. Cut rafters to the hypotenuse of the roof plane depth and stud wall height.

Calculate how much the roof span is going to be by measuring from one top plate to the other top plate. Install the new material. Depending on the climate your flat roof will only last between 15 and 30 years if well maintained. Flat roofs also don t last as long.

Adding pitch to a flat roof. This guide has been submitted by one of the sites members and so it should help to understand what is involved. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. If you used long lasting materials on your pitched roof you could expect it to last much longer.

Step 4 re sheath roof. Step 3 prepare the materials. 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. 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.

Plumb cut the ends of the rafters and place blocking between the rafters. 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. Tear off the old materials and apply roof sheathing. Of course you don t need to live in a modern house to deal with a flat roof.

Purchase your materials including prefabricated trusses plywood covering and roof tiles.