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December 1, 2009

Four Seasons of Sun: Glass vs. Lexan Part III

Filed under: Tips — Tags: , , , , , , , , — Sunrooms by Brady @ 2:54 pm

Below is the third article in our series addressing the choice of Lexan and Glass in your sunroom. While both have their advantages and disadvantages, Bob breaks down why some manufacturers do not measure up to Brady-Built quality.

To understand why the glazing systems respond the way they do in summer versus winter, it’s important to know one fundamental element of heating and cooling design.  The amount of energy needed to make a room comfortable is directly proportional to the difference in outdoor temperature versus indoor temperature.

For instance, if you want your house to be 70 degrees on a 10 degree day in January you need enough energy to raise the temperature 60 degrees.  If you want your house to be 70 degrees on a very hot day in the summer, let’s say it is 100 degrees outdoors, you will need only half as much energy to get it to your target temperature of 70 degrees.  This is pretty obvious when you read it, but it has important implications when selecting glass for a sunroom.

Using heavily tinted glass or plastic will help prevent the sun from hitting surfaces in the room, reducing the amount of heat generated in the room, but a significant portion of the sunlight is converted directly into heat energy in the tinted glass.

About half of this heat energy radiates into the sunroom causing the temperatures within the room to rise to levels well above the outdoor temperature.  Though this is a relatively small amount of heat, remember, as I mentioned in the previous paragraph, that much less energy is needed in summer to make a big difference in comfort (or discomfort in this case).

As summer enters its last throes, the days are getting shorter and the nights a bit more chilly. Here at Brady-Built Sunrooms, we continue our work to bring the best and highest quality sunrooms to you. We have a series of articles coming up that will help you prepare for the winter months and help get you valuable information so that you can make the right decision for you and your home.

These articles were written by our General Manager, Robert Wironen, whose knowledge and experience will help guide you through some of the complexities faced when choosing a sunroom. We hope you enjoy these articles and gain helpful information.

October 20, 2009

Four Seasons of Sun: Glass vs. Lexan Part II

Filed under: Uncategorized — Tags: , , , , , , , , — Sunrooms by Brady @ 11:21 am

Below is the second article of four addressing the choice of Lexan and Glass in your sunroom. While both have their advantages and disadvantages, Bob breaks down why some manufacturers do not measure up to Brady-Built quality.

Glass is an extremely hard material. In fact, except for diamonds and other precious gems, and carbides, there are very few materials that are harder. This makes it very resistant to scratching. It also makes it easy to break. To a limited extent the weakness of Lexan is the strength of glass and vise-versa. (more…)

September 7, 2009

Four Seasons of Sun: Glass vs. Lexan

As summer enters its last throes, the days are getting shorter and the nights a bit more chilly. Here at Brady-Built Sunrooms, we continue our work to bring the best and highest quality sunrooms to you. We have a series of articles written by our Registered Architect, Robert Wironen, whose knowledge and experience will help guide you through some of the complexities faced when choosing a sunroom. We hope you enjoy these articles and gain helpful information.

Below is the first article addressing the choice of Lexan and Glass in your sunroom. While both have their advantages and disadvantages, Bob breaks down why some manufacturers do not measure up to Brady-Built quality.

Polycarbonate which is commonly known by GE’s brand name, Lexan is an extremely tough plastic that has been used in many applications from helmets to car headlights to bullet proof glazing to eyeglass lenses. The characteristics that make it so well suited for the applications I mentioned are also one of its weaknesses. (more…)

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