Pitched Roof Build Up

Pitched or sloping roof.

Pitched roof build up.

One special type of built up roofing called ballasted roofing uses large stones about 1 1 2 to 2 1 2 inches in diameter for the surface layer. A pitched or slanted roof has a terrain of at least 15 but it is often much more. This is part two of the porch build where i am doing the roof. With a ballasted system the lower layers are not adhered or fastened to the roof structure and the heavy surface layer keeps the roofing in place.

Next measure the area and make calculations so you know how much of your chosen materials to buy. It also makes the roof safe to walk on. Flat roofs are usually made of variations of bitumen felt and function as durable long lasting roofs that are perfect for water run off in wet weather and protect wood and cement from potential build ups of damp and dry rot. Purchase your materials including prefabricated trusses plywood covering and roof tiles.

If you have a flat roof on a part of your property they often are susceptible to problems and so it is now common practice to convert a flat roof into a pitched roof. To build a roof start by deciding whether you want to put up a flat or pitched roof on your building. But if you have an old home with a decaying roof especially a low pitched roof removing the old roof and replacing it may not be practical. A steep slope sheds snow and ice more easily and prevents a large build up from over loading the roof structure.

Steep pitches are more common in northern climates that receive a high annual snowfall. You must not build the new roof directly over the old. Robin is working on an extension so we thought we d shadow him for the day and see how he creates a pitched roof or semi pitched roof leading up to a flat. Roofs with pitches of 10 to 20 are often called low pitched roofs and special considerations need to be made particularly on the overlap between tiles to avoid water being blown into the.

How to build a pitched roof. In areas of high snowfall then the roof pitch can be much greater to allow the snow to fall off the roof rather than settle and build up on the roof. Building a pitched roof is generally left to the professionals due to the importance of a structurally sound roof as well as working at height and the need for large pieces of timber to be lifted. This guide has been submitted by one of the sites members and so it should help to understand what is involved.

I show how i construct it showning in detail how to do the lead flashing. Any sloped roof whether it is a very shallow slope with a barely noticeable incline or a church steeple is considered a pitched roof.