How To Install Flat Metal Roof

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.

How to install flat metal roof.

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. Space the screws about 12 in 30 cm apart. Place the first screw. Try to space the screws about 12 inches apart down the entire piece of metal.

Step 5 install the metal trim. Creating a flat roof can be completed as either a diy weekend project or by a professional contractor. Install the roofing screws vertically along each rib in the panel. Close or seal off the ends with a wood or plastic strip under the panel at each end.

How to install metal roofing. Of course you don t need to live in a modern house to deal with a flat roof. For exposed fasteners avoid over tightening the fastener. Moreover try to ensure that the screws are all aligned evenly.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. Measure the height. What s involved in how to install metal roofing.

They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top. Place them directly onto purlins that are attached to the roof trusses beginning on the outside edge. Step 3 install the metal edging. So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt.

Step 2 create a base. Step 4 laying the sheets. Metal roof purlins are installed horizontally under metal roofs. These will stop the entry of rain wind and pests.

They give added support to the roof and also provide a nailing surface for the end panels and drip edge. You will use metal roofing screws to secure the metal panels to the sheathing. And for any exposed fasteners try to avoid over tightening them. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.

Use your neoprene washer head screws to secure the metal to the sheathing. Purlins are 2 by 4 feet and are installed much like metal roofing. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.