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How to deal with animals in your roof vents and attics

August 10, 2020 by Infinite Roofing Leave a Comment

roof critters

Maybe you’ve heard an animal in the attic scratching at night?

In North America we are home to variety of wildlife that sometimes make their way into your roof vents and attics. Some common types of animals that make their way into your home include raccoons on the roof, birds squeezing into exhaust vents, squirrels nesting in the attic and other critters that you would much rather see in nature rather than your home.

How do I get rid of an animal in my attic or roof? In this article we’ll answer many questions you may have regarding how to get rid of these pests and keep them out.

The first question you most likely have is, how to know if you have an uninvited animal guest in the first place without consulting a local roofing contractor first? You will most likely hear the tiny scurrying of the animal across your ceiling from above or even see or smell its presence. Animals are often looking for a warm cozy place to nest during mating season in the spring months, especially in northern climates.  

How can animals get through roof vents or into your attic?

Some signs of entry for pests include:

  • Gaps in between the fascia and the eaves
  • Open chimneys
  • Loose fascia
  • Missing shingles
  • Holes in the siding

Once an animal is inside of your home there are some common signs to look for such as:

  • Nests or hives
  • Droppings or urine marks
  • Chewed wires or pipes
  • Torn insulation or air ducts

How do I squirrel proof my roof?

During the day squirrels are the most active critter that may cause havoc in your home, while at night nocturnal animals such as raccoons and bats are more prevalent. There is a distinctive difference in the tread sounds of squirrels, mice and rats compared to those of larger animals like raccoons which are much slower and heavy. Their sounds may be heard from overhead in the attic, ceiling, in between walls, exhaust vents or inside of chimneys. Trimming tree branches that hang close to your roof will prevent squirrels from gaining access to your home. Squirrels can jump from more than 10ft away so be sure to cut enough of the limb.  

Potential damage can be done by not only mammals but other common infestations like insects, termites or cockroaches. We recommend that you always consult with a professional in pest control or a local roofing contractor to remove uninvited animals or pests from your home as it can be dangerous. A well trained animal specialist can remove the problem in a safe and effective manner while following the bylaws of the protected species.

Bees and Wasps:

These tiny tenants like to hive in your attic or outside in the corners of porches or decking. In the summer months bees and wasps are less likely to make a home in your attic because of the temperatures reaching up to 180 degrees F. The wax in a honeybee hive melts at 130 degrees F so it’s more likely to see their hives on the perimeter of your home than inside. Once a hive is detected it is important to have it safely removed so your and your family do not get stung, especially if there is an allergy in your family.

Mice and rats

How do I keep mice out of my roof vents?

Among the most common pests in a household include mice, rats or other rodents. Garbage and clutter attract these rodents but even if your home is very clean they will still seek shelter and a source for food. In the fall into winter months rodents look for shelter indoors to escapes the cold and nest. They reproduce very quickly in large numbers so it’s important to take care of the problem when you first see the signs.

These pests enter your home at ground level and can squeeze through the smallest of cracks, once they have broken inside they travel between walls through your entire house. Rodents become dangerous because they like to chew things including wires, wood, insulation, piping and even concrete; resulting in property damage and creating a fire hazard. Some ways to prevent an infestation of mice is by sealing off small holes around the exterior of your house and inspecting your vents for small openings. If you do find small gaps cover with mesh to prevent the rodents from slipping through.

Birds and Bats

If you have found a bird in your home or nesting up in the attic it is not an uncommon occurrence. In the summer birds and bats can easily enter your home through a window or door that has been left open or even slip through a gap between siding, finding its way to your attic to nest. These animals like dry, private spaces where they will be unbothered and protected from predators.

 If a bat colony has formed in your attic it is best to deal with immediately because of their guano deposits. Not only does this give off an abrasive odor but the acidity levels make the material highly corrosive to building materials, wood, and insulation. Bats can also gain access to your home through extremely small spaces which make your home vulnerable to an infestation.

Birds on the other hand like to make nests in heating pipes and exhaust vents to capture the warmth which acts as an incubator. This might sound harmless but their droppings can attract cockroaches and other insects.

Does bird poop affect shingles?

Bird droppings contain uric acid which damages your roof, asphalt shingles are even more susceptible. The acid within the droppings dissolves the asphalt and also provides nutrients which encourages algae growth or moss.

Raccoons

Related to the panda bear, raccoons look cute and friendly but possess the power to rip shingles right from your roof, breaking into the soffit and fascia. Some entry points can leave large holes which snow and rain can penetrate that cause serious weather damage to your home. Chewing through insulation and wires risking a fire hazard also poses a problem.

“An ounce of prevention is worth a pound of cure”-Benjamin Franklin

There are many options available to aide you in prevention of keeping animals out of your attic and roof vents. It is always best to consult with a local roofing contractor and animal removal specialist service to humanely remove any animal infestations.

A local roofing contractor can:

  • Help seal any holes or gaps that are potential entry points at roof or ground level
  • Replace missing or old shingles and repair holes in fascia or soffit
  • Use gutter guards to keep out squirrels
  • Install spikes along eaves which deter birds from roosting on your roof
  • Install mesh or other metal to cover large openings around chimney, ridge vents or gable

Filed Under: Ridge Vents, Roof, Roof Maintenance, Roof Shingles Tagged With: roof animals, roof maintenance

Does Your Home Need Roof Ventilation?

June 10, 2020 by Infinite Roofing Leave a Comment

Do You Really Need Roof Ventilation?

You’re probably aware that most attic and roofs are vented. Maybe you’re also aware of the ridge vent that’s at the peak of your roof. However, what you may not be aware of is that some homes may not have enough ventilation or don’t have any ventilation at all. Now, you may be asking if a roof ventilation system is even necessary? Roof ventilation helps keep your home cooler in the summer and warmer in the winter, therefore giving your roof a longer lifespan and a much lower risk of roof damages. A well-designed roof ventilation system also helps eliminate moisture in your attic and crawl spaces by allowing cool, dry air to enter while exhausting out the warm, moist air. Your local roofing contractors know that in order to stay healthy, your home actually needs to breathe just like you do! Allowing your home to breathe will help prevent damp and deter dangerous mold growth in your attic and crawl spaces.

Why Are Roof Vents Needed?

If you have an attic, an unheated space in the basement or an upper floor attached to the roof, ventilation is necessary to help correct air conditioning of your area. In summer, your roof’s ventilation helps cool the roof and underlying water barrier materials, reducing the expansion of the metal and slows the aging of asphalt shingles, which suffer from the heat. That’s not all though; roof vents are crucial in winter too. By keeping your roof cool, you can prevent snow from melting on top of the roof and freezing again in your rain gutters where they would create an ice dam that can cause leaks and water damage. Even if there are no leaks, additional weight can cause structural damage to your roof. The vents prevent this by circulating the coldest air from the eaves through the vent in the roof peak.

Extend The Life Of Your Roof

Have you ever seen icicles build up on the edge of roofs and gutters? This ice buildup is known as ice damming. You can see the icicles, but you can’t see the damage that they’re doing to the edge of your roof. Ice damming happens when heat from inside your attic combines with heat from the sun to melt snow and ice on your warm roof. When the resulting water runs to the edge of your roof, it begins to refreeze. As the ice and water build up at the edges of the roof, it can back up behind/underneath the roofing materials, causing damage to your whole roof system, your attic and even inside the walls of your home.

Proper ventilation helps warm air escape before it has a chance to melt the snow and ice on your roof. A well-vented roof can be easy to see in the wintertime. It will still have snow on the roof, but there will not be an icicle in sight.

Ventilation will benefit a roof when it’s hot outside as well. When the outside temperature rises, the temperature on your roof can be nearly double that. A hot roof over a poorly vented attic will give you a very hot attic.

The reason for this is that unventilated or poorly ventilated attics don’t have an escape route for the heat that builds up. This buildup of heat can damage your shingles from the inside out. An evenly vented roof will allow the hot air to escape keeping your roof and attic cooler.

Reducing Energy Costs

When the temperature increases outside, everyone wishes to shelter away and stay cool inside. A properly vented roof allows the heat to escape, thereby reducing the workload on your air conditioner. An air conditioner that’s running less means you will have a lower electric bill.

Reduces Indoor Temperature Extremes

Have you ever walked upstairs and thought it was at least 10 degrees warmer than it was in your living room? These indoor temperature extremes are often the result of poorly vented roofs. Once your roof is adequately vented to allow the hot air to escape and the cool air enter the attic space, your home will be more comfortable year-round.

Attic Vents Control Moisture & Temperature

When air stagnates in the attic, moisture tends to condense out and settle on the framing and insulation. This provides a perfect environment for mold and rot to set in. Mold loves to grow in damp attic insulation, and damp insulation has a tendency to clump, which reduces its effectiveness. Rot affects the framing and the roof decking, and the end result can be a sagging roof. Sagging roofs leak, which worsens the moisture problem in the attic and creates a big problem in living areas below.

The Proper Attic Ventilation

Soffit vents, which are grids that fit over holes you cut in the soffits, come in different sizes. On some aluminum or vinyl soffit systems, the vents are integrated into soffit panels. Since the roof line and soffit form a corner in the attic, you usually have to fit baffles over the soffit vents, running up along the roof sheathing beneath the insulation. These are cardboard or plastic air passageways that you fasten to the underside of the roof decking. They prevent insulation from blocking the vents and keep air flowing freely.

Ridge vents are the most economical roof vents. A roof’s ridge vent is a continuous vent that runs along the peak of a sloped roof. It is usually covered with shingles to match the rest of the roof. You can also choose a number of vent styles that open directly onto the roof deck. Care should be taken to make sure that the vent openings aren’t covered by snow in the winter as this will seriously hinder their functionality. If your house accommodates them, you can also satisfy the roof vent area requirement by installing gable vents that penetrate the siding and open into the unheated attic space. You have to exercise some care when designing a ventilation system to ensure uniform circulation throughout the attic, especially in corners and behind obstacles.

The Flat Roof Vent System

Whichever roof ventilation system you select, you will want to make sure that you preserve the integrity of your roof. If you install a turbine or other ventilation duct across the roof surface, you must ensure that it includes enough solenoid and sealant to prevent water from flowing into the home and causing moisture problems. A ridge vent will have to be fixed on the roof, the asphalt fabric, the minimal roll or the metal. It is necessary to provide the room with circulating air under the roof covering.

How Does Roof Ventilation Work?

A roof ventilation system works by providing continuous flow of air through your attic space, helping remove overheated air and moisture from the attic and roof system and reduce the impact of changing temperatures and moisture conditions both inside and outside the home. The system that allows the ventilation of air to take place consist of intake vents and exhaust vents installed at strategic intervals in the attic or roof area. Several different types of vents may be used in different locations to provide ventilation for the attic or roof area. Several different types of vents may be used in different locations to provide for attic air to circulate in the right amounts and directions throughout the roofing system.

A good local roofing company knows that correct design and construction of the roof ventilation system is critical. The roof’s design should provide plenty of open air space for insulation and air flow under the roof and eaves. And, a correctly designed system will precisely balance the intake and exhaust ventilation under the roof so that the attic is slightly pressurized, preventing conditioned air from being sucked out too quickly through the vents, thereby increasing heating and cooling costs.

What Happens If Your Attic Is Not Vented?

Any professional local roofing contractors will tell you that proper attic ventilation is crucial to keep the air flowing through your attic, rather than simply letting it sit. Ventilation essentially helps outside air pass through and out of your attic, removing excess heat and moisture from the air of your attic as it does so. Air is taken in through areas like your soffits and eaves and is exhausted through the roof at your ridge cap or by a roof vent. This helps create the right air balance in your attic, which plays an important role in keeping your home healthy and comfortable to be in.

How Much Attic Ventilation Do You Need?

Since most roofs are under ventilated, many people have no idea just how much roof ventilation they need, or what kind of purchase. The FHA recommends that you have 1 square foot of attic exhaust (both intake and exhaust) for every 300 square feet of attic square.

When there is a lack of ventilation it can cause a whole host of problems in and around your home. Depending on the climate that you live in, lack of proper ventilation can have a serious impact on your energy bills and the lifespan of things like your roof.

If your home lacks sufficient ventilation, it can create a super heated attic. Without the air moving through the space, the air trapped inside starts to heat up with the sun beating down on the roof. This heat then transfers itself through the floor of your attic and begins to warm the rooms of your home. This in turn leads to higher energy bills as your fans and AC work to combat it. Another issue with the fact that your attic is becoming superheated is the lifespan of your roof shingles. The heat from your attic won’t just be transferred down into your living space; it will also be transferred back to the roof itself. This causes the shingles to become overheated, essentially frying them and decreasing their lifespan.

The heat transfer from a super heated attic can damage a lot more than your roof and your energy bills. It can also warp the wood framing in your attic, which in turn can warp walls and door frames, as well as transfer down the walls to blister your paint and wallpaper.

Moisture Build Up 

The summer isn’t the only time you need to worry about a lack of attic ventilation. During the winter the steam from your shower, clothes dryer, and pots and pans can all get trapped in the attic where it condenses. This condensation can drip back down onto your insulation, rendering it less effective. It can also lead to the growth of mold and mildew in your attic and in your insulation where it can harm your family’s health.

Condensation and excess moisture can also form on your eaves and soffits, driving moisture back under your roof and forming ice dams that can cause leaks as well. Proper ventilation keeps the air moving all year long, which moves moisture out of the attic before it can condense.

Summary

Proper ventilation is essential to the well-being of your home and everyone within. If you are concerned that your roof is lacking sufficient ventilation or you have noticed some of the issues mentioned here in your home, you should contact professional local roofing contractors to have a look and let you know what your options are. Call 518-444-ROOF and we will be happy to help you address any concerns you may have.

Filed Under: Attic Ventilation, Ridge Vent Problem, Ridge Vents, Roof, Roof Ventilation System, Roofing, Roofing Materials Tagged With: attic damp, attic mold, attic vents, moisture buildup, ridge vents, roof ventilation system

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