Old Flat Roof Construction

A flat roof s.

Old flat roof construction.

This can be done either with many pairs of hands or with the assistance of a crane. 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. Use ladders or scaffolding if you are building the roof onto a building that is still a frame. You may ask why have a flat roof on a building that s a great question.

It should come as no wonder then that these are experiencing a serious comeback right now. May 9 2017 explore bernice ohene s board flat roof construction on pinterest. See more ideas about flat roof roof roof construction. Once made of tar paper these types of roofs gradually are using more advanced materials such as fiberglass membranes.

This was a flat roof made of layers of felt and tar with a slight slope to a drain. Applied by mop early tar and asphalt roofs. The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. If asphalt roofing has deteriorated beyond repair it is time to install new roofing.

The steels or rsj s rolled steel joists are often built into one or both walls to give added stability to the roof structure. Hoist the trusses onto the roof. Then in the mid 1800s tar roofs built up roofing were invented. Built up roof bur the traditional hot tar and gravel roof is built from three or more plies of waterproof material alternated with hot tar and ballasted by a layer of smooth river stone.

To complete this step the wall frames of the building must already be level plumb and square. Flat roofs are nothing new nor are some of the proven materials that cover these often expansive roofs such as those found on factories warehouses big and small box stores apartment buildings large public structures and schools universities. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. For additional stability you can also use steel joists that are built into one or both of the walls.

Ask any architect and they ll tell you that hardly any other type of architecture is as timeless and modern as that of flat roof houses. This will give additional stability to the roof structure. Do not apply too much cement or the shingles will not lie flat and will be more vul nerable to wind damage. Use roofing cement to patch small holes and cracks and to secure loose or curling shingles.

Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. On a basic level flat roof construction comes in the form of roofing timbers or joists as they are more commonly known or steels that are laid across two uprights walls in most cases.