How long can you expect your asphalt roof to last?

The useful life of an asphalt roof is expected to be very durable over time, however, this useful life will depend on the materials used, the quality of the installation, preventive maintenance and the climatic conditions of the location area. An asphalt roof with the aforementioned factors properly applied can last between 25 to 40 years.
One of the most typical roofs are asphalt shingles, which have been around since the 1920’s, are composed of a layer of asphalt over a glass or organic cellulose base which, because of their long durability, are affordable and generate confidence in the choice of roofing material. In the U.S., this type of shingle lasts longer in cold climates than in warm climates.

Factors that affect the life span of an asphalt roof

Is the quality of the material used the best?

The quality of the material offered by the contractor should have the best possible guarantee, the choice of asphalt shingles whether fiberglass or organic cellulose shingles, are different in terms of benefits, cellulose shingles are thicker, heavier because they have more asphalt, more durable, but more expensive, while fiberglass shingles are lighter and are better fire rated.

Is the roofing contractor who performed the work reputable?

A contractor’s reputation is of great value when it comes to installing a roof, based on their work history. This depends on the choice of the best quality materials, warranty, good installation technique, legal knowledge, good work team, among others, which will help to extend the life of the roof.

How are the climatic conditions of the area where you live?

The climatic conditions have a direct influence on the useful life of the roof, depending on the amount of extreme weather it will affect the asphalt of the roof due to the wear and tear to which it is exposed. Shingles are affected by granular loss when they receive small hail in winter, the accumulation of water due to constant rainfall increases the wear of the shingles. In summer with high temperature levels, they limit the useful life of the shingles and other roofing materials.

Is the attic well ventilated?

One factor that affects the life of a roof is proper ventilation. A good attic that allows ventilation of trapped hot and cold air is very important, as this can deteriorate the roof and the solution is to replace it.

Is the roof maintained every year?

The recommended maintenance for asphalt roofs is done continuously and properly once a year, since shingles of any kind are affected by the impact of weather, accumulated debris either from trees or any other sediment such as algae, fungi, poor ventilation or poor installation, this translates into a drastic reduction in the life of the roof.

What color and slope does your roof have?

Light colors are more recommended because they keep heat away, while dark colors reduce the life span because they absorb more heat. If a roof is not sloped, debris buildup is easily retained which causes long-term damage to roofs, so it is recommended that the roof have a steeper slope for longer roof life.

When to replace an asphalt roof?

We’ve already outlined the factors that impact the lifespan of an asphalt roof, but if your roof is beyond repair and you need to replace it, this job can take anywhere from 3 to 5 days, also affected by climate, inclement weather, complexity and size of the roof. Look for your trusted local builder who will guarantee quality materials and skilled workmanship so that your roof will last as long as expected and save you time and money as well as peace of mind.

Look to your trusted builder for advice, support and a quote to professionally and responsibly solve your problem. If you’re in the market for new roofing in Allegheny County, PA, turn to Pittsabana Contracting Services LLC. This local roofing company employs team members who are certified by CertainTeed and committed to delivering premium service on every job, from repairing storm-damaged commercial buildings to fully replacing residential roofs. Call (412) 580-6567 to speak with a friendly staff member to schedule service or visit the website to learn more about how they’ll help you.

Synthetic vs felt roofing underlayment

All homeowners should know what the roof is made of, what different materials make up the roof, when replacing, as they often overlook this observation that will help them understand the impact of the cost, longevity and performance of the material depending on its quality. What is commonly called roof underlayment is overlooked because it is out of sight, other than metal roofs and shingles there is a layer of protection both above and below the roof deck, this underlayment plays an important role against moisture damage and the safety of your home.

Roof underlayment, what is it?

It is the material that sits between the roof sheathing and the shingles, it is the base that supports the shingles (roof decking) and is usually composed of plywood, this barrier resists water and provides a secondary protective layer against the elements.

Differences between synthetic and felt roof underlayment

Both synthetic underlayment and felt underlayment for roofs have their own characteristics depending on the choice of the quality of materials to be used, how the roof is designed, budget and above all the geographical location.

Characteristics of a synthetic underlayment

Synthetic roofing underlayment when properly installed offers greater water resistance and better protection against the elements.

Durability: It is made of biopolymers which gives it greater longevity and resistance, it is more durable because it resists moisture and exposure to UV rays, it has more than twenty years in the market, performance levels should be analyzed as it is not a standard manufactured product, ask your contractor to provide you with the necessary assistance.

Weight : In terms of weight it is lighter. It weighs from 40 to 100 grams per square meter, which facilitates transportation and installation.

Installation: It comes in rolls of considerable width and length compared to felt rolls, which covers more roof areas and because it is easier for workers to handle, it can be installed more quickly.

Secure : Many of these synthetic underlayment surfaces have a wide range of non-slip surfaces, which allows workers to walk on safely, as they are marked with overlapping guides, they optimize accuracy and consistency in installation

Moisture Resistance : Synthetic underlayments offer greater resistance to weather, are designed to repel water, are more resistant to leaks and moisture in the home, giving homeowners peace of mind.

Weight: It is heavier than synthetic underlayment. Its weight per square meter is. Felt No. 15 weighs from 7.5 to 12.5 lbs and Felt No. 30 weighs 16 to 27 pounds. The latter is usually stronger and more resistant to tearing during installation and weathering.

Installation: As it is heavier, it makes it difficult to move and install, it cannot be left exposed for hours because it can dry out in the heat, which makes the felt less resistant to humidity, and during installation it can tear under tension.

Insurance: It presents slippery difficulty, which is a risk for workers during installation, in addition to the risk posed by the weight of the material.

Moisture resistance: Felt underlayments are exposed to moisture and absorb water which causes the felt to wrinkle, making it difficult to install shingles because the level is not uniform.

Roof Underlayment Cost

When it comes to building or replacing a roof the cost is the first thing that comes to mind, in this alternative, the underlayment does not increase so much the budgets for roofs, depending on the quality and durability you have two alternatives to consider. This presents a cost between $7 to $10 per square meter.

Cost of a felt underlayment

This underlayment costs about $5 per square meter.
If you are planning to build or renovate a roof, you should take into account the advantages of an underlayment, as it serves as insulation against drafts, a barrier against elements hitting the roof as well as noise from rain, uniform surfaces look better and protect the home. Synthetic roof underlayment offers greater long-term advantages in safety, durability and investment than felt roof underlayment.

Look to your trusted builder for advice, support and a quote to professionally and responsibly solve your problem. If you’re in the market for new roofing in Allegheny County, PA, turn to Pittsabana Contracting Services LLC. This local roofing company employs team members who are certified by CertainTeed and committed to delivering premium service on every job, from repairing storm-damaged commercial buildings to fully replacing residential roofs. Call (412) 580-6567 to speak with a friendly staff member to schedule service or visit the website to learn more about how they’ll help you.

How many houses are covered by asphalt shingles? Why?

Asphalt shingles are the primary choice for residential roofing in the United States because they provide quality, durability, versatility, and economy.  More than 12.5 billion square feet of asphalt shingle products are manufactured annually, enough to cover more than 5 million homes each year.  Four out of every five houses are roofed with asphalt shingles.

Asphalt shingles offer consumers the widest range of colors, shapes and textures available.  With a huge variety of styles, asphalt shingles can match almost any type of architectural design and achieve virtually any desired effect, and do so affordably.  If asphalt shingles are ideal for your roofing system, contact Pittsabana Contracting Services LLC.  Roofing contractors provide residential services to homeowners throughout Pittsburgh, PA and the surrounding areas, including roof installations, repairs, and replacements.  Call (412) 580-6567 for a free estimate or visit licensed and insured contractors online for additional information.

Identifying the Parts of a Roof 

When we have in mind to build or renovate the roof of our home, we must take into account the materials that will be used and that will ensure both the longevity of the roof and the safety and comfort it offers to the family. The roof, being the highest part of the house, is supported by both vertical and horizontal structures depending on the design, the geographical location of the house and the climatic changes, such as the cold that decreases the correct adhesion of the strips under the tiles. All these factors influence the components of the roof which we are going to consider next.

What are the common parts of a roof

The deck

It is the structural base of the roof system, which is composed of wood or ½ inch plywood, these are wood strips that are the base to support all the roofing materials, shingles, underlayment sheets and others.

Purlins

They are made of wood or steel, their surface must be uniform and flat, they are horizontal members that support the common beam of the roof and go from wall to wall when the span is large, it is recommended to paint them before installing them.

Ridges and ventilation

It is the horizontal line along the roof, it is the highest point of the roof where the two planes meet, forming an exterior angle of 180 degrees, also called hips, The ventilation is an escape for the warm and humid air of the attic.

Limatesa

It is the interception of the two planes of the roof, which once joined form the ridge slope that goes from the peak to the end of the roof which is the eave.

Flashing

It is a flexible or rigid material made of aluminum, steel or plastic, in the form of molding that is placed around the chimneys to prevent water intrusion from infiltrating the roof vents, plumbing vents.

Underlayment

It is the layer of material that is under the tiles, it serves as support for the placement of the same, this material is found in the market in the form of synthetic compound or felt, its function is to prevent moisture and seepage, the synthetic underlayment, is becoming the best option due to performance, durability and resistance to climatic phenomena.

Gable roofs

Also called rake, it is the triangular part of the exterior wall at the top of the roof between the eaves and a pitched roof.

Eaves and drip edge

An eave is the lower overhanging edge of the roof that is about three feet beyond the wall, and the vent under the eave allows for the extraction of cool, dry air from the attic.

Roof Vents

They are closed structures made of plastic or metal, with fins or openings to provide the attic space with more ventilation, the vents, have 4 open sides that are located on the roof, are the safest, as they produce a suction effect that traps the wind in all directions. There must be an air inlet at the base of the roof to make the attic ventilated, this is achieved with perforations in the eaves.

Attic

It is the space located on the top floor of a building, below the roof. It is also known as the place that hides the cover of the facade or the beginning of the roofs, which must be ventilated to protect the roof in summer against excessive heat and in winter against warm and humid air.

Wall against water and ice

This wall is composed of a self-adhesive waterproofing material that is installed over the eaves of roofs, side walls and exposed areas that may be affected by wind-driven rain and ice.

Shingles

Laminated asphalt shingles offer greater durability, performance and ease of installation, their useful life is 20 to 40 years, they have several layers that make them heavier and thicker so they offer greater resistance to inclement weather, their waterproofing works by gravity. They are more expensive but offer greater warranty, take into account the color and design that best suits your roof. The opposite of these shingles are known as three-tab shingles, but they have a single layer and look flat without the dimension of asphalt shingles.

Roof gutters or downspouts

It is fixed under the eaves of the roofs to collect the water residues of the rains and to conduct them to the drains it is complemented with slopes and accessories of angles in the corners, it is made of galvanized pipes, aluminum, vinyl or pvc.

If you’re in the market for new roofing in Allegheny County, PA, turn to Pittsabana Contracting Services LLC. This local roofing company employs team members who are certified by CertainTeed and committed to delivering premium service on every job, from repairing storm-damaged commercial buildings to fully replacing residential roofs. Call (412) 580-6567 to speak with a friendly staff member to schedule service or visit the website to learn more about how they’ll help you.

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