Resealing Double Pane Windows

Dual pane windows provide an extra layer of insulation for your home.

Resealing double pane windows.

The way that double pane windows also known as thermal windows or insulated glass windows or i g u s work is by providing an additional layer of insulation. This seal is designed to lock the air in so it can act as an insulator. The inner sealant is typically made of polyisobutylene pib. The edges of the glass panes in double or triple pane igu windows are embedded in a sealing material.

Take your bottom pane of glass and lay it on the workbench with the face of the pane which will be the inside face of the sealed unit upwards. Manufacturers typically mount the two panes of glass parallel to each other with a rubberized. There are two measures of the energy efficiency of your double paned windows known as u value and r value. Can they be resealed or do they need to be replaced as double pane windows age moisture can breach the seal and condense between the layers of glass.

And while opinions vary regarding what to do when a window has a compromised seal there s enough consensus to at least consider resealing. Cleaning both interiors and resealing the igu. Here s what to do when that happens. Thoroughly check how clean this face is you will not get another chance to remove any slight smears you might have left behind.

Buying a new double pane window can be costly typically more than 100. Double paned windows are energy efficient but they can be a nuisance if the seal breaks and they get foggy. Last winter kevin s daughter katie busted the inside of a double glazed window in. Double pane windows utilize two pieces of glass that are constructed with an airtight seal between them.

This additional level of insulation helps your home to maintain a consistent temperature by minimizing loss of energy and transfer of heat between the exterior and interior environment. The space gets filled with an insulating gas like argon or krypton which increases the energy efficiency of the window. But a foggy or hazy double pane window doesn t necessarily need replacing. Read on for repair tips.

A double pane window is essentially two panes of glass fixed into a frame with a small gap between each pane. Repairing dual pane windows tricky but cheap. While it appears to be one seal it is actually two seals working together. If water or dirt starts to build up between the two panes it is an indication that this seal has been broken.