How To Build A Flat Metal Roof

Use ladders or scaffolding if you are building the roof onto a building that is still a frame.

How to build a flat metal roof.

Determine the roof span and pitch. Joints are sealed with vapor barrier. Attach a board uncut to the settle rafters on which you need to lay a vapor barrier material film construction. How to make a flat roof have a pitch general steps step 1.

Frame the roof one important and perhaps not so obvious fact is that a flat roof is not actually flat. Step 1 measure the roof height. The 8 step process for diy installation step 1. Step 4 laying the sheets.

The insulation thickness of 8 inches is laid as a flat carpet. Measure the height of your roof adding 2 to 4 inches to your measurement to allow overhang. Install the roofing screws vertically along each rib in the panel. To complete this step the wall frames of the building must already be level plumb and square.

Measure the height. 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. First things first roofing contractors conduct the necessary measurements to make sure that they know.

Hoist the trusses onto the roof. This material must be laid across the rafters and overlap. A flat garage roof is far easier to build than one with a pitch. Step 5 install the metal trim.

Step 2 create a base. Taking into consideration that you will be working at some height it is advisable to use at least two ladders and to have a helper as lifting the timber into place will take two sets of arms. Step 3 install the metal edging. Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof.

This can be done either with many pairs of hands or with the assistance of a crane. Add the plywood once you ve added the framing it s time to add a layer of 5 8 inch plywood sheathing. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

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. Place the first screw.