Can metal framed single pane windows be sandwiched together to make an effective double pane?

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Table of contents


A dockable pane is a general purpose window container, like a view, that has two states with respect to dockability: docked or float in mini-frame. The main difference with a view is that a view is built to display the main application content while a pane provides context relative content to what the view has. For example, the toolbox pane in Visual Studio is always active and filled with controls when you insert a new dialog into the project and it will show up as an empty pane otherwise.

Dockable pane is a vital window that needs to support a complex application layout so that it can be shown or hidden any time to provide extra space for your application desktop.

Idiom clarification

I'll use the word CMainFrame in this article to point to your derived class from CFrameWndEx (or CMDIFrameWndEx), and I'll use the word 'pane' to refer to CDockablePane implicitly. And when I use CTreePane it means a...

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EURO 68 wooden window profile with insulated glazing

Insulated glazing (IG), more commonly known as double glazing (or double-pane, and increasingly triple glazing/pane) is double or triple glass window panes separated by a vacuum or gas filled space to reduce heat transfer across a part of the building envelope.

Insulated glass units (IGUs) are manufactured with glass in range of thickness from 3 to 10 mm (1/8" to 3/8") or more in special applications. Laminated or tempered glass may also be used as part of the construction. Most units are produced with the same thickness of glass used on both panes[citation needed] but special applications such as acoustic attenuation or security may require wide ranges of thicknesses to be incorporated in the same unit.



diagram of a fixed insulated glass unit (IGU), indicating the numbering convention used in this article. Surface #1 is facing outside, Surface #2 is the inside surface of the exterior...

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The choices of windows and shades on the market today are many and varied. It can be very difficult to know what window or shade to purchase, and to find adequate information about their performances. Sometimes the addition of an interior or exterior shade can solve a solar gain (overheating or glare) problem without the need for replacing the window.

Our first advice, for windows, is to look for the energy label from the National Fenestration Rating Council (NFRC). This organization is promulgating energy efficiency standards around the country and its label contains values for the U-factor, a measure of the ability of the window to conduct heat from the warm inside to a cold outside (or from a hot outside to a cool inside). This number should be low. The label also contains values for the Visible Transmittance (VT), the fraction of incident sunlight and daylight that is permitted inside, and the Solar Heat Gain Coefficient (SHGC).


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If you're buying new windows, you may wonder if you need to consider triple-pane glass. In most cases, double-pane windows will be...

A window, whether it is a single- or double-pane, can get broken during a storm or from an errant baseball. The glass...

Windows and doors let sunshine in and let people and things in and out of a home or building; however, they both...

Gray or foggy glass between the panes of dual pane insulated windows is an issue that leads many home owners to have...

A window opens to beauty -- or damage and devastation. That’s why making the right choice of windows for any type of...

Let's face it, sometimes windows are a pane in the glass. But a foggy or hazy double-pane window doesn't necessarily need replacing....

Glass block windows and double pane windows are very different window options. The most obvious difference is visibility: double pane windows are...

Window glass is considered neither a...

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By Lee Wallender

Updated July 06, 2016.

Your window seal has broken or has slowly leaked over time. While aesthetically annoying, more importantly this loss of gasses within your window, or insulated glass unit (IGU) as the industry calls it, cuts its energy-saving potential in half.

Can window seals be repaired? If not, what are the alternatives?

Why You Have Seals In The First Place

If you have double- or triple-pane windows, these windows have a factory seal around the perimeter that should remain tight--at least in theory.

This seal holds the sheets of glass (often called "lites") apart, acting as a type of frame to hold this sandwich together.

The seal traps noble (inert) gasses like argon or krypton gas and maintains a dead space that acts as a thermal break separating inside and outside temperatures.

While it appears to be one seal, it is actually two seals. The inner sealant is typically made of polyisobutylene...

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What Are Energy Efficient Windows?

Windows are usually placed on each exterior room of your home, and each window is letting some amount of heat into or out of your home. Fortunately there are efficient windows available that are capable of managing heat more effectively.

Save Money with Efficient Windows

According to Energy Star customers that install Energy Star windows on their home saved an average of 12 percent on their utility costs throughout the year. That means a customer who spends $200 a month or $2400 a year would save $24 a month or roughly $288 a year. That’s a decent amount of money that will make a difference over time. It’s important to consider that your savings could be greater depending on the windows being replaced and the climate you live in. Studies done by Energy Star show that replacing single pane windows with double pane can save between 21% and 31% off of heating and cooling costs.

Enjoy Some Peace and Quiet

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Choosing a Well-Insulated Window

Windows that have good insulating values will make your home more comfortable, particularly in winter. This is partly because they allow less heat to pass through, but there's another reason - the inside surface of a better insulated window will be warmer. When you stand or sit by it, your body won't lose as much heat to the window as it would to a colder surface. Sometimes the draftiness that people feel from windows isn't due to air movement at all, but rather to the fact that we radiate body heat to the cold window surface.

In addition to improving comfort, windows with high insulating values are less likely to have problems with condensation. Condensation occurs when warm, moist indoor air comes in contact with a cold surface, such as a poorly insulated window. Better insulating values are most valuable in cold climates. The bigger the difference in temperature between outside and inside, the faster heat will...

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I finally had a few minutes to sort my actual construction expenses and put them in some reasonable categories. This is a brief summary of the construction costs.

First, the basic parameters of the house:

4348 sq-ft of space, including the garage 3-level “walk-out” design 2092 sq-ft footprint 4 bedrooms Cathedral ceilings in upper levels 5 bathrooms Enclosed deck on upper level Front and rear paver terraces

The total construction costs were $619,000. This is every dime I spent from the time we applied for a permit to the time we received the certificate of occupancy. It does not include the design fees (architect + structural engineer), which were about $60,000. It also does not include the cost of about 15 trips from Philadelphia to Utah, which cost about $10,000.

The cost comes out to $142/sq-ft of enclosed space. The square footage includes the garage but does not include the enclosed deck off the master bedroom, nor the covered terrace. I believe the...

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Measure the drop from the top of the recess to the window sill. This will give you the finished blind length.


Measure the width of the window recess in 3 places and use the shortest width as your measurement. This will give you the finished blind width.



Decide where the batten that will support the blind will be fixed above the window recess. Mark the position of the top of the batten and measure down to the sill. This will give you the finished blind length.


There are 3 options for the finished width of the blind outside the recess.

If the window has an architrave surround measure the width of the architrave at its widest point. If there is a window sill measure the width of the window sill. If there is no architrave meaure the width of the opening at its widest point. Add...
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What’s right, what’s wrong & what will cause problems

Improving performance & appearance. A vented crawl space (above) often has falling fiberglass insulation and moisture problems.

Builders love crawl space foundations because they’re quick and inexpensive to build. You don’t need heavy equipment to excavate a giant hole for a full basement. Instead, you’re erecting short walls to get the first floor framing up off the ground. If soil at the building site is rocky or wet, a crawl space minimizes the risk involved in digging and building a full basement.

The failure of fluffy stuff

The encapsulation process results in a clean, dry interior space, as shown here.

For many years, the standard way to build a crawl space involved venting the crawl space walls and installing fiberglass batt insulation between joists in the crawl space. The widespread availability of fiberglass insulation, along with its low cost, went along well with the...

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