Look for U-values of 0.3 or lower in order to maximize insulation properties and energy savings.
#Acrylic interior storm windows r value windows#
Choosing windows with a high resistance to temperature transference is also necessary. Storm Windows for Every Canadian ClimateĪdditionally, below are some of our different window recommendations based on the area you are in: Pacific NorthwestĬanada’s Pacific Northwest demands moisture resistant window materials such as vinyl, wood-resin composite and fibreglass. They offer higher degrees of insulation, and glass provides unparalleled visibility and scratch resistance. Many metal frames also use magnets to make sure they fit securely against the primary window. When it comes to storm window replacement, these windows are usually more sturdy and the metal or vinyl frames are easily removed using built-in hook and groove systems. These are for homes with bigger window budgets. They do, however, impede visibility and tend to degrade over time due to sunlight exposure and require regular replacement, often every year, or even after a particularly harsh, stormy season. These are window kits made of plastic or vinyl sheets, or films which can be placed over windows as a shorter-term, more cost-effective storm treatment option. In terms of energy savings, they are more energy-efficient than exterior storm windows because they form a much tighter seal with the glass. They are also great at preserving the exterior aesthetic of the window, particularly if you live in a heritage home, or in an area where the general aesthetic is more classic.
#Acrylic interior storm windows r value install#
Interior storm windows are the easiest to install and remove, especially in apartment buildings and multi-story homes. However, because a drainage hole must be left for moisture to escape in order to avoid the frame rotting, exterior storm windows cannot be made completely watertight. Exterior Storm WindowsĮxterior storm windows made from durable material, mounted on the outside frame of the window, when properly maintained, are good at keeping the elements out. The type of storm window you choose will depend entirely on your current window situation and budget. Types of Storm Windowsīelow are some suggestions regarding the types of storm windows that are best suited to Canadian climates. Storm windows provide additional protection and weather insulation, installed on the outside or inside of an existing window.
From freezing cold temperatures in the winter, to hot and humid weather in the summer, our windows are put to the test all year round by the ups and downs of Canadian seasonal changes. Interior storm windows prevent humid room air from reaching the cold primary window, which eliminates condensation. Weep holes are eliminated, so drafts are stopped. The result is more stable temperatures and better insulation.Canadian climates are typically defined by extreme variations in weather conditions throughout the year. Third, since they are exposed to the weather, they age rapidly and their weather stripping wears out. And, finally, exterior storms are much more expensive!
Any primary window over 10 years old is almost certainly drafty.Įxterior storm windows have other flaws. First, they often detract from the external appearance of the building. Second, they sometimes reduce the window’s effective size because their aluminum frames are wider than the primary window's frames. These holes are sources of drafts if the primary window also allows air to leak by. How are interior storm windows better than exterior?Įxterior storms are better than none at all, but they are flawed in concept. They must be made with “weep” holes, to drain condensation to the outside.