Choosing and installing replacement windows
It is quite easy to tell when a home requires a change of windows. The drafts which blow the curtains are easy to spot, there is water damage clearly visible or there might even be some frost layers on the inside glass layer during the cold winter months. The reason for these faults might not be apparent; however, they make it clear that you need to get replacement windows. When it comes to replacement windows they can cause some serious headaches to you and your contractor. Replacement windows present three distinct options to you to choose from: frame-and-sash replacement, sash replacement and complete unit replacement. Each of these comes with a lot of drawbacks and benefits and each comes with its own installation quirks.
Sash replacement windows
Sash windows are a good option in case the frames of your old windows are in good shape and show no apparent signs of water damage. The opening should also be square and true. Sash replacement windows are installed by removing the old sashes and the old parting stops and putting on new jamb liners. Most of the modern replacement sashes are compression-fit in the liners so the seal becomes airtight. This is one of the least expensive ways to upgrade the energy efficiency of your home when it comes to replacement windows. There is no need to work on the casings and the trims at all. However, the windows’ overall performance might not be as good as with the other two replacement windows options. Moreover, the new look might make the sash and frame look a bit too bulky.
Sash-and-frame replacement windows
This type of replacement is the best option in case the window sill is damaged by moisture or if air is leaking between the frame and sash but apart from that everything else is in pretty good shape. Typically, only one unit is fit into the old jambs of the window and against the exterior or interior stops. It is then nailed or screwed into those jambs. These units are quite expensive but the homeowners sometimes chose them because they cost less in terms of installation fees. However, the downside of this option is that the daylight can be greatly reduced. This reduction in daylight may be a lot more significant than the one you get with sash replacement windows.
Replacement of a complete unit
Basically, this means putting on a new window with its own sealants, flashing, insulation and caulking. It is the best possible option for significantly damaged openings and windows. The old trim and casings should first be removed and this may cause some disturbance to the interior and exterior siding and finishes. This method might seem a bit invasive at first but with proper installation the performance will be best in comparison to the other options described in this article.
When you are choosing replacement windows (in Swedish we say byta fönster) make sure you choose a quality product so that you do not waste money and time dealing with your windows once again later on. More tips and advices read from this page.
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