May
11

May 10, 2011 Severe Hail Storm Affects Minnesota and Western Wisconsin

On May 10, 2011 the Twin Cities area was struck by a severe hail and wind storm. Hail stones averaging ½ an inch to 2 ½ inches raged across the State from as far north as Long Prairie and Little Falls to Fairmont and Sherburn in the south. The majority of the storm hit the Minneapolis and St. Paul metro area, with some of the largest hail stones reported around St. Louis Park at close to 2 ½ inches, which is enough to cause considerable damage to the exterior of your home.

Other parts of the metro area which large hail was reported include Edina, Eden Prairie, Elk River, Golden Valley, Chaska and Chanhassen. There were reports of funnel clouds around Hopkins as well. The extreme winds blew the roof off a home in Wright County and numerous vehicles suffered body and window damage throughout the storm’s path. Luckily, no injuries were reported. Other areas adversely affected were Anoka, Ellendale, St. Francis, Waite Parke, St. Joseph and Bowlus.

Strong winds accompanied the hail storm with wind gusts as high as 70mph reported in northern and western Wisconsin and throughout central and southern Minnesota.

Hail and wind storms are a common occurrence this time of year around Wisconsin and Minnesota and can cause substantial damage to area homes and businesses. If you’ve been hit recently with large hail or see missing shingles on your roof it is probably time to have the exterior of your home checked by an expert. Contact Trinity Exteriors to request a free exterior home inspection.

Dec
17

How To Choose A Roof Color

One of the most difficult and important decisions a homeowner will make when replacing a roof, is the roof color. If you choose the wrong color you may regret the decision for the lifetime of the roof, which can last well over 20 years. Choosing the best roof color is important for more than just individual aesthetic reasons; it can affect your energy bills, is a reflection on your entire neighborhood and could have ramifications on your home’s price should you decide to sell it later.

Choose Roof Color By: Type of Home

A light grey roof may match well with a red brick Georgian home, but create a dreary and somber exterior with a stone German Colonial. A red roof works well on a white adobe Spanish-style home often found in the southwest, but may look out of place on a woodland ranch in Montana. Research your type of home and find what works best with its general design.

Choose Roof Color By: House Color

Buckets of Paint ColorsHouse color is perhaps the most important determinant when deciding on roof color. You can go with a high contrast roof that stands out against your siding and trim color or match the siding with the roof so that they blend together. If your house matches your local terrain, then you should try and blend in the roof as well. A white house with a black roof makes an effective contrast, while a brown roof will give your entire home a more traditional look. A yellow house with light green trim doesn’t need a yellow roof; a light grey will keep the focus on the house rather than the roof. Remember, your roof should complement your house color, not quarrel with it.

Choose Roof Color By: Climate

Also consider that darker colors absorb more heat, so if you live in a hot climate then a dark roof may keep the interior of your home warmer than a light colored roof. According to tests done by the Lawrence Berkeley National Laboratory, a white roof on a sunny day (55 degrees outside) reached 118 degrees Fahrenheit, while black roof surpassed 140 degrees. Such considerations based purely on roof color can have a noticeable affect your cooling or heating bills.

Choose Roof Color By: Community

Some neighborhoods have Community Housing Associations that make the rules on house and roof color. If you are part of an association, then refer to the rules before making any decision. For neighborhoods that do not have such regulations, look around your community and see the types of house colors and roofing blends. Drive around your area and see the general styles; it will help narrow down the possibilities.

Additional Roof Color Resources:

Dec
16

Is That A Christmas Tree Growing On The Roof?

ON THE LIGHTER SIDE…

With the Holiday Season approaching quickly, it seemed all too perfect to comment on this wild photo, found in a photo essay of 17 Living Roofs.

Live Growing Trees on Roof

Gol, Norway

These folks can decorate their roof and Christmas Tree at the same time. I wonder if Mr. Claus would be intrigued, or afraid to land?

Happy Holidays..

Dec
13

Calculate Proper Attic Ventilation In 5 Easy Steps

Calculating Attic VentilationThe need for proper attic ventilation cannot be overstated enough. Bad attic ventilation can raise energy costs, cause roof warping due to moisture buildup and lead to the formation of ice dams in the winter. These problems can lead to roof leaks, gutter damage and increase your annual maintenance costs considerably. A well-vented roof, with proper intake and exhaust venting not only provides numerous benefits to the structural integrity of your roof and attic, but will end up saving you money in energy bills by removing heat in warm seasons and moisture in cold. Calculating the proper amount of ventilation for your home is quite easy, all you need is the measurements of your attic and a calculator.

Step 1) Find the square footage of your attic. If you have a garage, include this as well since proper garage ventilation confers similar benefits. For example, if your attic space is 50 feet x 40 feet, then you multiple the numbers together and get 2000 feet. 50 × 40 = 2000 square feet.

Step 2) Divide the final number by 150. This number is called the Total Net Free Ventilating Area (TFNVA) and refers to the fact that there should be proper ventilation for every 150 square feet of attic space. The number is a recommendation by the Federal Housing Administration, which recommends between a 1/150 to a 1/300 ratio depending on the age of the home. If you have an older home then a 1/300 ratio is suitable, since the home is probably less energy efficient and thus less airtight. The building codes of new homes over the past 20 years are much stricter, making them more airtight and therefore requiring additional ventilation.

Let’s use the maximum recommended TNFVA of 1/150 to get maximum ventilation: 2000 ÷ 150 = 13.33. This is the total square footage of attic venting needed in your home.

Step 3) Convert square feet into square inches: 13.33 × 144 (the number of square inches in a square foot or 12 × 12) = 1919.52 (you can round this up to 1920). This is the total square inches of venting you need. Since vents are measured in inches it is easier to do the final vent calculation if you use inches.

Step 4) Calculate the intake and exhaust venting percentage based on 60% intake vents (soffits and eaves) to 40% exhaust vents (near the roof ridge). You could make simpler calculation of 50/50, but most experts recommend a 60/40 split. So 1920 × .60 = 1152 square inches for intake vents and 1920 × .4 = 768 square inches for exhaust vents.

Step 5) Choose and install the right number and types of vents needed for proper attic ventilation. Different types of vents provide various rates of venting efficiency and also a different visual aesthetic to your home, so choose carefully.

Additional Attic Ventilation Resources:

Nov
30

Choosing From Roofing Material Options

The decision to replace your roof for reasons of aesthetics, financial timing or necessary repairs is one filled with a number of important decisions that will have a lasting effect for you and your home. When choosing from roofing material options, there are a number of factors that you need to consider before moving forward with replacing your roof. The market includes numerous different roofing options, but you need to make the best decision based on your region of the country, budget, style and durability.

Roofing Material Option 1: Asphalt Shingles

Asphalt Shingle Roofing Material OptionAlso called composition shingles, they are the most popular and cost effective roofing material option for most homeowners. Made from a base of asphalt (similar to what is used on roads) that is applied to either an organic or fiberglass mat, they are a roofing option that is suitable in all climates. Composition shingles come in a wide range of colors and styles to suit the design and color of your home, as well as the general aesthetics of your neighborhood and region. Asphalt roofing materials can cost anywhere from $50 to over $150 per square (Square = 10 × 10 foot section) depending on the quality, thickness, style and special upgrades like Reflective Cool Shingles. The average lifespan of an asphalt shingle roof depends on your area, but manufacturer warranties range from 20-year to Lifetime.

Roofing Material Option 2: Wood Shakes

Wood Shake Roofing Material OptionA popular type of roofing material for homeowners who desire a natural look is wood shingles or shakes. Often times however wood roofing materials do not last as long and can be susceptible to fire in hot and dry climates. In addition, due largely to their labor-intensive installation can cost over twice as much as asphalt roofing materials. They are most often made from cedar and come in two distinct varieties: shakes and shingles. Shakes are thicker and have a rougher appearance, while shingles are much thinner (an average of one inch) and have a smooth appearance. Wood roofing materials require the most maintenance to stop the buildup of lichen, moss and it is necessary to check for sun damage periodically. They can be expected to last from 25 to 30 years on average.

Roofing Material Option 3: Clay Tile

Clay Tile Roofing Material OptionTile roofs are popular mostly in the hot southern climates. They are one of the most expensive options of roofing materials, but also have an average lifespan (with periodic maintenance) of more than 50 years. They are the heaviest roof form and so you may need to have a structural check on your house before choosing this option. The biggest advantage of tiles is their durability. Tiles (usually made from clay) are invulnerable to insects, decay and fire, though they still require regular maintenance. They are almost double the cost of standard asphalt shingles. But for many homeowners who prefer tile roofs, their aesthetic value is unprecedented and they look beautiful.

Roofing Material Option 4: Metal

Metal Roofing Material OptionThe most expensive sloped-roof option, metal roofs are also the most durable and easy to maintain. Metal roofing is used around the country and has become increasingly popular over the last few years. They are highly durable (lasting over 50 years), fire resistant and when installed with proper insulation beneath them, is highly energy efficient. The newest metal roofs are made with upwards of 60 percent recycled materials and they absorb much less heat than asphalt shingles and tiles. Material costs typically run from $150 per square to over $600 depending on options used (i.e. steel, aluminum or copper) and come in a wide range of colors and styles to suit the design of most any home.

Additional Resources:

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