Each system is designed to waterproof the roof and protect it from sun rain snow and more.
3 ply built up roof system.
Exceptionally pliable easy to handle and lays flat.
Permaply 28 is designed for use as the first or base sheet in built up roofing or modified bitumen roof assemblies.
They are known for providing excellent protection due to their redundant nature because they are made up of multiple layers of.
A built up roofing system is installed by alternating layers of bitumen and reinforced fabric.
A built up roof system is a popular choice for buildings with low slope or flat roofs.
The components are assembled at the job site to actually form the built up roof.
At the heart of this roofing system is the roofing membrane which consists of roofing bitumen and multiple reinforcing plies of roofing felt.
Built up roofing application guide two section 2 2 rs 4927 2 14 replaces 11 13 asphalt applied and cold application built up roofing application guide 3 2 these specifications are also for use over jm roof insulations fesco tapered fesco fesco foam tapered fesco foam enrgy 3 tapered enrgy 3 and 13 mm.
Built up roof bur modified bitumen and single ply.
There are 3 main types of flat roofing systems.
Owens corning roofing and asphalt.
This prevent leaks mold and rot all of which can weaken the roofing structure and cause costly damage.
Owens corning roofing and asphalt.
Bitumen ply sheets and a surface material such as asphalt or gravel.
Built up roof membrane 4 ply gravel surfaced.
What makes bur systems so popular.
Built up roof membrane 3 ply gravel surfaced.
Built up roofing contains three materials.
Owens corning roofing and asphalt.
Often referred to by the acronym bur this system has been used for 100 plus years in the u s.
Here s a layer by layer explanation.
It consists of an impervious membrane assembled from layers of bituminous saturated felt which are cemented to each other and to the roof deck with bituminous cement usually asphalt or coal tar pitch.
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.
The last layer is rock or stone this layer protects the underlying layers from uv rays extreme heat or cold and wind damage.
Makes it suitable as an intermediate or ply felt in cold applied built up and modified bitumen roof assemblies.
Built up roof membrane 3 ply smooth surfaced.
Components of a bur system include the roof deck a vapor retarder insulation membrane and surfacing material.
Property managers can choose three four or five ply roofs to meet their needs and budgets.