How To Build A Flat Metal Roof

Determine the roof span and pitch.

How to build a flat metal roof.

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. Tear off the old materials and apply roof sheathing. Joints are sealed with vapor barrier. 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.

Hoist the trusses onto the roof. First things first roofing contractors conduct the necessary measurements to make sure that they know. Step 1 measure the roof height. How to make a flat roof have a pitch general steps step 1.

Use ladders or scaffolding if you are building the roof onto a building that is still a frame. Attach a board uncut to the settle rafters on which you need to lay a vapor barrier material film construction. Measure the height of your roof adding 2 to 4 inches to your measurement to allow overhang. Place the first screw.

This can be done either with many pairs of hands or with the assistance of a crane. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. Add the plywood once you ve added the framing it s time to add a layer of 5 8 inch plywood sheathing. Step 5 install the metal trim.

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 material must be laid across the rafters and overlap. Step 4 laying the sheets. Step 3 install the metal edging.

To complete this step the wall frames of the building must already be level plumb and square. A flat garage roof is far easier to build than one with a pitch. Of course you don t need to live in a modern house to deal with a flat roof. Step 2 create a base.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Stack insulation boards on the film top. Measure the height. Next roofers will have to remove.

How to install metal roofing. The insulation thickness of 8 inches is laid as a flat carpet.