How do you raise a roof line?
- Raise the roof to create more cubic feet of space beneath it
- Raise the pitch of a roof from flat or low slope to something steeper for aesthetic and practical reasons
- Add a second floor (new top story) covering part or all the home
- Add a dormer to an existing top floor to change the look of your home, add light and gain headroom inside the dormer
What is a roof that stands over the actual roof?
In this article, we will focus on mobile home roof overs. A “roof over” is the process of placing a new roof or roof material over your existing roof. Usually, you do not remove any part of the original roof, which not only saves money but shortens the process and is a less unsettling process.
What is room without a roof?
- Load bearing walls require beams at slab junction to make a unity at slab level. ...
- Provision for 1st floor has nothing to do with beams unless the wall at above level is offset.
- For Design of beams first of all you have to confirm that the slab thickness can’t exceed 4″. ...
- If slab thk can be increased then Concealed beams will do.
What are the parts of a roof structure?
“I have no words,” Ferguson said. Late Sunday night, Brevard College tweeted that heavy snowfall caused by the winter storm caused the partial roof collapse. But what actually failed within the structure is being investigated, and crews are assessing ...
What is the definition of roof line?
Definition of roofline : the profile of a roof (as of a house)
What is the roof edge called?
EaveEave: A roof edge that extends past the exterior wall line at the bottom of a slope. Fascia: Vertical roof trim located along the perimeter of a building, usually below the roof level, to cover the rafter tails at the eaves and to seal off the top of the siding along the rake; also called gutter boards.
What is the piece under the roof called?
The underside of this overhang, when given a finished appearance, is known as the soffit, which means “something fixed underneath”. The soffit is basically, any finishing material, such as wood or fiber cement, that is installed to cover the underside of your roof overhang.
What is the area under the gutters called?
The soffit is a horizontal piece of material that meets the end of the fascia and connects to your house. Soffit is French for an item that is positioned underneath something else. In this case, the soffit goes underneath the fascia.
What part of the roof is fascia?
The fascia is the attractive board along the side of the overhang and the roof that helps your roof appear finished. Your gutter sits atop the facia board. The fascia is also known as a “transition trim” between the home and the roofline. The fascia supports the shingles and helps to keep moisture out.
What is it called where a roof meets a wall?
A headwall is a level junction where a roof meets a wall. This illustration shows proper flashing at a headwall condition. Headwall flashing should extend up behind the exterior wall covering and down over the roof-covering material, as you see here.
What is the space between ceiling and roof called?
Attics are the space between the roof and the ceiling of the highest floor of the house. They're usually full of insulation, and sometimes heating or air conditioning equipment as well.
What are boards under eaves called?
Purpose. Typically a soffit is used in the area beneath the eaves on the exterior of a house to close the space beneath the eave. The soffit extends from the side of the structure to the edge of the eave. Fascia is used to create a barrier between the edge of the roof and the outside.
What is a roof soffit?
The soffit is the material beneath the eave that connects the far edge of your roof to the exterior wall of your house. They are often vented. Besides being underneath your eaves, soffits can also be on the underside of a porch roof.
Fascias and soffits
The fascias or fascia boards are special boards that are mounted where the roof meets the walls of the house. This makes it the core element of the roofline. It is a long, straight board that is fixed onto the last of the roof trusses and is support for the bottom row of roof tiles.
Other roofline elements
While the fascias and soffits are the two core elements of the roofline, there are others depending on the style and type of house you have.
Purposes of the roofline
The main purpose of the roofline is to stop water getting into the house. Often, the elements that make up the roofline were made from timber but in recent times uPVC has replaced this as the material of choice. uPVC installers across Southampton are regularly called out for installation of new roofline elements where timber has rotted or is weak.
What is a steep slope roof?
In steep-slope roofing, a board that is nailed to the ends of a roof rafter; sometimes supports a gutter. In low-slope roofing, the horizontal trim located at the perimeter of a building is usually a border for the low-slope roof system.
Where is the fascia on a roof?
In classical architecture, the fascia is the plain, wide band across the bottom of the entablature, directly above the columns. The "guttae" or drip edge was mounted on the fascia in the Doric order, below the triglyph . In steep-slope roofing, a board that is nailed to the ends of a roof rafter; sometimes supports a gutter.
What is the surface below the fascia called?
The finished surface below the fascia and rafters is called the soffit or eave. A soffit is also often installed between the ceiling and the top of wall cabinets in a kitchen, set at a 90 degree angle to the horizontal soffit which projects out from the wall.
How many feet does a soffit have?
Soffit exposure profile (from wall to fascia) on a building's exterior can vary from a few centimetres (2-3 inches) to 3 feet or more, depending on construction. It can be non-ventilated, or ventilated for cooling attic space.
What is a rain gutter?
A rain gutter (also known as eavestrough (especially in Canada), eaves channel guttering or simply as a gutter) is a narrow channel, or trough, forming the component of a roof system which collects and diverts rainwater from the roof. A rain gutter may be constructed in several ways:
What is the roofline of Namobuddha?
Roofline of the Namobuddha monastery in Nepal. Roofline is used to describe the fascia, soffits, bargeboards, antefixes and cladding that forms the frontage immediately below the roof and the eaves of many homes and buildings. These are traditionally made from wood, but can be made of a variety of different materials, including plastic, ...
What is a roof integral trough?
a roof integral trough along the lower edge of the roof slope which is fashioned from the roof covering and flashing materials. a discrete trough of metal, or other material that is suspended beyond the roof edge and below the projected slope of the roof.
What is the ridge on a roof?
Roof Ridge: The roof ridge, or ridge of a roof is the horizontal line running the length of the roof where the two roof planes meet. This intersection creates the highest point on a roof, sometimes referred to as the peak. Hip and ridge shingles are specifically designed for this part of a roof.
What is a flashing roof?
Flashing: Flashing is a metal material installed at joint openings, around chimneys, and any dormer windows or skylights to help prevent water intrusion. You may recognize flashing as metal stair steps alongside a chimney or side walls on a roof. Hip: The hip on a roof is the intersection of two roof planes that meet to form a sloping ridge running ...
What is architectural shingle?
Architectural shingles are sometimes referred to as three-dimensional shingles or laminated shingles. The opposite of architectural shingles are three-tab shingles, which are produced as a single layer of tabs and appear flat or without the dimension of a laminated shingle.
What is a hip ridge shingles?
Hip and ridge shingles are specifically designed for this part of a roof. Roof Deck: The roof deck is the structural foundation base for the roof system and is usually made of wood or plywood.
Where is the eaves of a roof?
Eave: An eave is the lower border of the roof that overhangs the wall usually located in the first three feet of a roof . Undereave vent: Undereave vents are intake vents located under the eaves of the roof that help draw cool dry air into the attic.
What is a dormer?
Dormer: A dormer is a raised section of the roof. Dormers commonly contain a window that projects vertically through the slope in the roof. Ice and water barrier: An ice and water barrier is a self-adhered waterproofing material installed along eaves, valleys, side walls, and other sensitive areas to protect against ice damage and wind-driven rain. ...
Where is flashing found on a roof?
Flashing is found in valleys and at the bases of chimneys, walls, roof vents and plumbing vents.
When is the best time to replace a roof?
Parts of a roof. The best time to replace a roof is between March 21 and September 21, because the sun’s heat helps the shingles bond together better. Cold weather, conversely, reduces the effectiveness of the self-adhesive strips under the shingles. A roof can still be reshingled at other times of year, as long as the roofer adjusts ...
What is underlay membrane?
Underlay membrane. This coating, made of felt saturated with asphalt or a synthetic fabric, protects the shingles against resin released by the wood decking, and protects the decking itself against bad weather.
How long do asphalt shingles last?
The lifespan of asphalt shingles is between 20 and 40 years.
How many sides does an attic vent have?
The most effective vents have four open sides and rise above the roof, which allows them to capture the wind from all directions to produce a suction effect. To achieve full ventilation of the attic, there must be an air inlet at the base of the roof, through perforations in the eaves soffit.
What is a 4x12 slope?
A slope of 4⁄12 means 4 inches of height (vertical) for every 12 inches of length (horizontal). Second, the installation and materials used must be compatible with the gradient of the roof. A shingle roof covering will remain waterproof only under certain conditions.
Is laminate roofing more expensive?
Laminated shingles are more expensive, but are guaranteed for longer. If you are replacing your roof, keep extra shingles for possible repairs. Also make a note of the brand, model and colour should you be faced with an unexpected situation. Old shingles, meanwhile, are recyclable.
Are There Really Flat Roofs?
To begin, I’d like to clear up a commonly misused word to describe a flat roof. You should never really encounter a truly flat roof. All roofs should be sloped to drain. Water weighs more than eight pounds per gallon and you never want to turn your roof into a swimming pool; roofs are generally not framed to support significant ponding water.
How to Measure a Roof Slope
The standard way to measure a roof’s pitch is by its fall over 12 inches. A roof that falls one inch over 12 inches is called a 1 and 12 and would be considered low slope.
Low Slope Roofs: The Roofing Type
Low slope roofs need to have a membrane system as a roof covering. Membranes are generally sheets of roofing material installed in such a way that the roof would not leak if standing water were present. There are a multitude of different membrane systems: torch-down, single-ply and built-up being the most common.
Low Slope Roofs: As Good as the Installation
Low slope roofs have a well-earned reputation for being troublesome. Because they don’t shed water well they’re more likely to have leaks, and leaks on flat roofs can be a real pain to track down; you can find yourself chasing water, which is never fun and can make roof replacement the only sure-fire option for repair.
The Advantage of Low Slope – Good Overhangs and Good Light
The one real advantage to a low slope roof is if the building also comes with large roof overhangs (where the plane of the roof hangs out past the walls of the house.) Some houses have low slope roofs with large overhangs and because the roof is low slope, the roof overhangs do not block your windows.
The Advantage of a Pitched Roof
Pitched roofs are generally less expensive to install and last longer than low slope roofs. This is because shingle systems are easier to install than membrane systems and shingles cost less. This is a generalization that depends a great deal on the type of roofing material you install, but is a good guiding principal.
Watch Out for Complex Roof Lines
A great guiding principal when looking at roof lines and maintenance is that complex roof lines are more likely to be a problem than simple roof lines. A complex flat roof may have lots of things stored on it like HVAC systems and duct work.
What is hip roof?
Hip roofs often include design elements like front gables to highlight a porch or entryway, or dormers or crow’s nests to add extra storage or living space underneath the roof. They can be crafted from most standard roofing materials like asphalt shingles, standing seam metal or metal tiles, or clay or concrete tiles.
What does a roof do to your home?
What’s more, the type of roof that you have can also make your home more energy-efficient, more weatherproof, and provide extra storage or even additional living space in the form of an attic.
What materials are used for a gable roof?
Basic gable roofs can use all types of roofing materials, including but not limited to asphalt shingles, cedar shingles or shakes, slate, and clay or concrete tiles – especially if you are building a standard or basic gable roof. This versatility makes gable roofs even more cost-effective.
Why are gable roofs not recommended?
One thing to note is that gable roofs might not be advisable in areas that regularly experience high winds or are located along some of the more common hurricane corridors. This is because the overhanging eaves on a gable roof can suffer from wind damage roof issues or under heavy rainfall.
What is a Jerkinhead roof?
Higher pitched jerkinhead roofs also allow for more living space or storage space under the roof, thus adding to their appeal. This sort of roof can be crafted from nearly any standard roofing material, including asphalt or wood shingles, metal shingles, slate, or even composites.
Why are gable roofs so popular?
Another reason that gable roofing is popular because the triangular shape allows snow, rain, and ice to slide right off , which is beneficial in most regions. The shape also allows for attic storage or even additional living space under the roof, or vaulted ceilings.
What are the different types of gable roofs?
There are four main types of gable roofs – side gables, crossed gables, front gables, and Dutch gables. Side gables are the most common and simple style of gable roof, with two sides pitched to form a triangle. If a side gable roof is left open in the middle it is referred to as an open gable roof, or closed in for a boxed gable roof.
What is roofline model?
The Roofline model is an intuitive visual performance model used to provide performance estimates of a given compute kernel or application running on multi-core, many-core, or accelerator processor architectures, by showing inherent hardware limitations, and potential benefit and priority of optimizations.
What is bandwidth ceiling?
The bandwidth ceilings are bandwidth diagonals placed below the idealized peak bandwidth diagonal. Their existence is due to the lack of some kind of memory related architectural optimization, such as cache coherence, or software optimization, such as poor exposure of concurrency (that in turn limit bandwidth usage).
What is an in-core ceiling?
The in-core ceilings are roofline-like curve beneath the actual roofline that may be present due to the lack of some form of parallelism. These ceilings effectively limit how high performance can reach. Performance cannot exceed an in-core ceiling until the underlying lack of parallelism is expressed and exploited. The ceilings can be also derived from architectural optimization manuals other than benchmarks.
Does a naive roofline provide a complete picture of what is actually limiting it?
Although it can still give useful insights on the attainable performance, it does not provide a complete picture of what is actually limiting it.
