Roof covering of the top of a building serving to protect against rain snow sunlight wind and extremes of temperature.
Roof consists of.
Roof failure causes in depth and specific methods for avoiding them roof design fundamentals and flourishes based on voluminous industry research and experience.
Low slope roofing manual of 4th ed c w.
What makes up a roof your roof components 1.
4 edition 2006 isbn 10.
The roof is a system composed of layers of different materials that work together to keep wind and weather out of your home.
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.
Roofs have been constructed in a wide variety of forms flat pitched vaulted domed or in combinations as dictated by technical economic or aesthetic considerations.
Flashing is a thin sheet usually made of metal that a roofing professional installs around any vertical.
In the past wooden and slate.
Roof covering typically of flat and rectangular shapes and made of various materials such as slate wood flagstone plastic metal and composite materials.
The top ends of the rafters often meet at a ridge beam but may butt directly to another rafter to form a pair of rafters called a couple.
A simple rafter roof consists of rafters that the rafter foot rest on horizontal wall plates on top of each wall.
Griffin richard fricklas mcgraw hill professional.
On the surface a roof looks like a simple layering of shingles but it s actually much more complex than the average homeowner may realize.
Metal roofing is available as traditional seam and batten tiles shingles and shakes.
An external installation on the roof that uses the vent pipe system to prevent water seeping in and create damage.
The roof begins with the most recognizable of roof components.
Most metal roofing products consist of steel or aluminum although some consist of copper and other metals.
Once made of tar paper these types of roofs gradually are using more advanced materials such as fiberglass membranes.
Parts of a roof decking or sheathing roof edge or eaves edge attic saddle ridge valley underlay membrane eaves membrane underlay membrane drip edge roof vents deflector plumbing vent flashing joint covers shingles.