Flat Roof Pitched Roof Detail

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.

Flat roof pitched roof detail.

A pitched or slanted roof has a terrain of at least 15 but it is often much more. However flat roofs require much more aggressive and consistent maintenance than a pitched roof. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. Flat roof construction manual materials design applications.

Armourfix and armourvalley membranes must be installed and extended 60 90 cm up the main roof underneath the shingles in order to assure a waterproof connection. Pitched or sloping roof. The starter strip and first row of shingles must be applied 25 cm from the bottom of the slope roof or main roof above the slope transition. Waterproof membrane to prevent water penetrating the structure and interior of the.

Click the image for low res preview. It is a significant renovation if you are converting from flat to pitched. Where a flat or pitched roof over an enclosed area abuts a wall or a balcony abuts a wall cavity trays should be linked to the flashing to prevent water penetrating into an enclosed area. Most homeowners choose to convert a flat roof to a pitched one using a simple trussed roof with two angled planes.

To discuss your project in more detail please contact your local area manager. Horizontal flashings should provide weathering to a minimum of 75mm above the intersection with the roof. Click the image for low res preview. Depending on the climate your flat roof will only last between 15 and 30 years if well maintained.

A very important detail is where the flat roof is connecting the pitch roof. Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project. Where a pitched roof abuts the wall at an angle. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal.

A pitched roof is more expensive. A flat roof usually consists of the following. A selection of roof detail drawings including flat roof details pitched roof details mansard roof detail parapet verge ridge and eaves details. While that s the easiest route it s certainly not your only option.

2 50 vat add to basket includes dwg dxf and jpeg. When choosing a flat roof you need to take a number of considerations into account including the look you want to achieve the size of your flat roof the type of weather it ll face and the amount of labour it will require. A guide to flat roof options. Flat roofs also don t last as long.