While there are many variations there are two popular options used to create a hot roof.
Hot flat roof design.
It may consist of a flat roof on top but the main design element is the multi pitch sloped in what is essentially a hip roof on top of another hip frame.
The first method revolves around foam sprayed in place generally sprayed in between the rafters trusses while the second utilizes foam board generally placed on top of the exterior roof sheathing.
Once made of tar paper these types of roofs gradually are using more advanced materials such as fiberglass membranes.
Flat versus pitched technically a flat.
There are several methods and materials for the design of the exterior surface of a warm or cold flat roof.
But today there are various modern systems available that make horizontal coverings a thermally efficient versatile and attractive option that will protect your home in the long term.
It should come as no wonder then that these are experiencing a serious comeback right now.
Flat roofs are hard to replace.
Flat roofs create long horizontal planes reminiscent of the broad horizon line seen often in nature.
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.
Some observers suggest it s harder to replace a flat roof than a traditional pitched shingle roof because of the labor required to remove its layers especially on older flat roofs.
In the past low quality insulation inadequate materials and poor workmanship left flat roofs with a reputation for water pooling and substandard performance.
But now flat roofs often are constructed with fewer layers because of improved waterproofing technology.
Get along with the benefits of flat roof design.
Above all the major benefit is being simple in construction process.
The cost from initial installation to maintenance is cheaper.
Use the space for other functions like family activity room or gardening.
This could mean flat roofs may not raise the same red flags they used to.
Regardless of how new or modern a house is there is a good chance that it will be topped off with a flat roof now but if you can t picture how great they look we.
Hot tar and gravel also known as the built up roof bur this type of flat roof features three or more layers of waterproof material mixed in an alternating fashion with hot tar and a layer of smooth stone like gravel.
Flat roofs offer more stability and horizontal surface.
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.
Flat roofs are typically designed with a pitch of 10 degrees or less.
Some local codes take it a step further allowing a slope of only of an inch per foot.
They re simple in form and function and are a good example of the modernist principle of clean lines.