Roof Build Up Details

Built up roofing also called bur is the most common roofing material used on low slope roofs.

Roof build up details.

Mb bur 03 wall flashing detail for supported deck dwg doc type. Learn about built up roofing systems. Warm cold and inverted. Bur is preferred for low slope or flat roofs because it creates a continuous sealed surface.

In a warm roof construction the principal thermal insulation layer is located above the structural decking resulting in the structural deck and support structure being at a temperature close to that of the interior of the building. Mb bur 02 tapered edge flashing detail dwg doc type. Mb bur 01 flat edge flashing detail pdf doc type. Built up roof installers begin by adding a waterproofing membrane to the roof deck.

There are three recognised designs of flat roof construction. Commercial roofing specs and details find the resources you need to design the best roofing system for your project. Get assistance with detail. Attach 4 6 centering rafters and lift the ridge beam into place.

Browse built up roofing product details technical specifications and complementary products for bur roofing online. Get to know more about one of the most popular commercial. Two layers of building paper or rubber membrane are nailed to the surface making the roof effectively waterproof before any additional bur plies are added. Next the installers will alternate layers of roof felt or fiberglass with mopped on asphalt or coal tar.

Mb bur 01 flat edge flashing detail dwg doc type. Add the length of the overhang beyond this mark and. Place the 4 6 common rafters in their designated positions along the 2 longest walls and nail them firmly to the wall with a nail gun. A roof is an integral part of a building and people try to personalise the roof designs to achieve optimum architectural splendour.

The first step in the process of erecting the hip roof is to get the ridge beam into place at the top of the roof. Mb bur 02 tapered edge flashing detail pdf doc type. Position the square at the end of the rafter board with the tongue on your left and facing away from you. Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge.

Poorly constructed roofs endanger the people living in a building so you need to make the roof compatible to the rest of the building in a well engineered style. It is composed of alternating layers of reinforcing fabric and bitumen asphalt and is finished with a top layer of aggregate such as stone or gravel. Firestone modified bitumen roofing systems provide architects contractors and building owners with the ability to design new roofs or re roof systems that fit a variety of climates environments and applications.