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The purpose of a roof is to protect people and their possessions from climatic elements, the insulating properties of a roof are a consideration in its structure and the choice of roofing material.
Some roofing materials, particularly those of natural fibrous material, such as thatch, have excellent insulating properties. For those that do not, extra insulation is often installed under the outer layer. In developed countries, the majority of dwellings have a ceiling installed under the structural members of the roof. The purpose of a ceiling is to insulate against heat and cold, noise, dirt and often from the droppings and lice of birds who frequently choose roofs as nesting places.
Concrete tiles can be used as insulation. When installed leaving a space between the tiles and the roof surface, it can reduce heating caused by the sun.
Forms of insulation are felt or plastic sheeting, sometimes with a reflective surface, installed directly below the tiles or other material; synthetic foam batting laid above the ceiling and recycled paper products and other such materials that can be inserted or sprayed into roof cavities. So called Cool roofs are becoming increasingly popular, and in some cases are mandated by local codes. Cool roofs are defined as roofs with both high reflectivity and high thermal emittance.
Poorly insulated and ventilated roofing can suffer from problems such as the formation of ice dams around the overhanging eaves in cold weather, causing water from melted snow on upper parts of the roof to penetrate the roofing material. Ice dams occur when heat escapes through the uppermost part of the roof, and the snow at those points melts, refreezing as it drips along the shingles, and collecting in the form of ice at the lower points. This can result in structural damage from stress, including the destruction of gutter and drainage systems.
No one wants to deal with a leaky roof. Once water has penetrated your roofing system and is entering your home, there is likely already extensive damage, mold and/or rot.
The key to extending the life of your roof, then, is to catch minor damage before it turns into major damage. That’s where roof maintenance comes in; it’s how you protect your investment while also extending the life of your roof considerably.
Roof maintenance is important. Regular maintenance of your roof can identify damage caused by water, wind, debris or severe weather before they turn into major issues. Early detection of these issues could potentially save you thousands of dollars on repairs and replacement work!
Our team at Roofers in Vancouver can help you form a maintenance plan. With a regular roof maintenance plan, we will schedule an inspection of your roof each year and can perform any repairs that may be required to preserve its integrity and performance.
- Inspect shingles for damage such as curling, buckling and loss of granular loft (used for UV protection)
- Check for missing shingles
- Inspect the roof itself for any signs of ridging, buckling or blistering
- Check for mould, moss or other organic debris that could affect the performance of your roof
- Inspect the caulking and seals around vents, pipes and intakes/exhausts for signs of cracking or lifting
- Check that your gutters and drainpipes are clear of debris that could restrict drainage or divert water into unwanted areas
Additional inspections may also be recommended after severe weather events, such as windstorms, so that wear and damage can be caught early before they turn into more expensive problems.
Roof systems can deteriorate from: normal wear; severe weather conditions (e.g., wind and snow loads); building movement (e.g., settlement, material contraction/expansion); and improper design, construction and maintenance. Any roof repairs not dealt with after the first signs of failure can result in increased damage to the building envelope and interior finishes, and loss of occupant productivity, if damage causes interruption in client services and program delivery. Failure of structural integrity can endanger occupant safety.
Regular inspection of building roof systems will lead to early detection of roof problems, protection of Government capital assets, and maintenance of safe working environments for building occupants.
- To determine if the roof system is performing according to its intended function.
- To identify signs of weakness, deterioration or hazard.
- To identify needed repairs.
- Inspect exterior for: continuity of roof covering; deterioration of fascias, gutters and soffits; and performance of flashings.
- Inspect interior finishes (ceilings and walls) for signs of water penetration, frost buildup and structural distress.
- Record and report inspection findings.
- Initiate maintenance and repair projects.
- Report any unsafe working conditions or potential system failures immediately to the PW&S Regional Superintendent.
Performing regular roof inspections with a detailed checklist can lower your overall repair and replacement costs by 45% and extend the life of your commercial roof from 13 years to 25 years.
A Rain Gutter System starts with a trough, called a gutter, which collects rainwater from the roofline of a house and diverts it away from the structure, using elbows and downspouts.
Scope of Guide
The Rain-carrying system consists of all necessary components to complete installation with products manufactured or endorsed for use by Spectra Metal Sales.
A) Gutters shall be made of 3105-H24 aluminum and shall be continuous and seamless with a minimum thickness gauge of .032” or .027” (+/- .002” nominal).
B) All pre-painted components will have an approved SMS Finish and Color.
C) Prior to painting, all metal shall receive a pre treatment to assure for maximum paint adhesion. The exterior finish shall be of a baked on enamel, one coat system applied in a continuous process in a single operation, comprising a highperformance linear topcoat. The inside of the gutter shall be finished with a wash-coat finish.
D) Downspouts, Elbows, Miters, End caps shall be made of 3105-H24 aluminum with a minimum thickness gauge of .019” (+/- .002” nominal). E) Sealant/Caulking – Seam Sealer, OSI ProSeries, Ruscoe, Geocel
F) Hanging system for the standard K-style system will be the SMS Hidden Hanger with Screw attached for size as necessary.
G) Lock-On Gutter Screen from SMS, sized as necessary.
H) Solid Gutter Cover from SMS, to be the Leaf Protection Panels in an approved SMS color.
I) All accessories used with the SMS Rain-carrying system will be procured from a SMS distribution or manufacturing facility
Bad gutter can cause serious damage to a home’s exterior and eventual interior. Exposure to constant moisture can lead to structural rotting and decay, mold, mildew, and landscape damage.
A clogged or leaking gutter can represent serious problems such as structural damages or health issues. Despite of this, most of the times it can be too easy to forget about them until something goes wrong – and at this stage the cost of any repair would be much higher than if a regular maintenance program was installed and problems were detected at an earlier stage. Experience show us that in most of the cases gutters suffer a quick deterioration, much quicker that the roof and the remaining of the building, requiring repairs or integral renovations in order to maintain its function for as long as the building service life.
When defining solutions to avoid the need of gutter repairs, it’s important to remember one simple fact: clean gutters are far less susceptible to deterioration than blocked gutters. In fact, the two most common gutter related topics facing building owners are blockages in the gutter itself, and blockages in the downpipes. These blockages are often caused by debris like fallen leaves, moss and other developed vegetation, and (in some undesirable cases) dead animals.
COMMOM GUTTER PROBLEMS
- An Inadequate Gutter System
- Inadequately Pitched Gutters
- Gutters not Draining or Clogged Gutters
- Leaking gutter joints
- Damaged Gutters
- Sagging Gutters
Residential rainwater gutter systems are designed to give many years of reliable service but to achieve this, a regular inspection and routine maintenance program should be undertaken.
Planning Skylight Installation
A window on the roof lets in significantly more light than a vertical window, so even a small skylight can make a room feel larger and airier.
When planning a skylight installation, be sure to take into consideration the sun’s path. Skylights on the south- or west-facing portion of the roof will collect direct sun—skylights facing north or east may not get any direct sunlight.
Any skylight that receives direct sunlight is bound to become a heat trap on hot days. So, if you intend to install a skylight facing south or west, be sure you plan ways to control heat gain.
Some manufacturers sell remote-controlled shades or Venetian blinds for their skylights—opting for these would be one way to minimize the problem. Another is to choose a ventilating skylight that can be opened to allow hot air to escape. For more, see Skylights Buying Guide and Skylight Blinds & Shades.
Keep in mind one important fact: If you want to install a skylight in a room that has an attic above, you’ll need to build a light shaft.
The shape of a light shaft controls the spread of the natural light beam. A shaft that’s flared on all four sides spreads light over the widest area; a perpendicular shaft with vertical sides focuses the light straight below. A shaft flared on only one or two sides sends more light.