• Show all
  • Northerm Advantages
  • Products
  • Slider
  • Slider Series
Speed

With glass order shipping within two days and a team of local installers, Capitol Glass can help you upgrade your windows fast.

Windows

Double-Pane Windows Waiting for copy. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat […]

Designed for Alaska’s climate

Quality windows. Expert advice. No hard sell.

Double-Pane Windows

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam id urna lacinia, maximus felis sit amet, condimentum neque. Etiam vel ipsum nisl. Mauris ac egestas odio. Cras ut ligula congue, egestas ipsum id, semper magna. Fusce tempus volutpat purus, quis fringilla dui dictum at. In hac habitasse platea dictumst. Praesent sagittis dui nibh. Aenean vulputate, […]

Triple-Pane Sliders

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam id urna lacinia, maximus felis sit amet, condimentum neque. Etiam vel ipsum nisl. Mauris ac egestas odio. Cras ut ligula congue, egestas ipsum id, semper magna. Fusce tempus volutpat purus, quis fringilla dui dictum at. In hac habitasse platea dictumst. Praesent sagittis dui nibh. Aenean vulputate, […]

Double-Pane Sliders

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam id urna lacinia, maximus felis sit amet, condimentum neque. Etiam vel ipsum nisl. Mauris ac egestas odio. Cras ut ligula congue, egestas ipsum id, semper magna. Fusce tempus volutpat purus, quis fringilla dui dictum at. In hac habitasse platea dictumst. Praesent sagittis dui nibh. Aenean vulputate, […]

Triple-Pane Windows

Three panes of glass are not enough to give you the benefits of a triple-pane window. True triple-pane windows require a 1-3/8” glazing pocket, creating the right airspace between the glass. This gives you excellent insulating and noise-reducing barriers. Available in picture, sliding, casement, awning and custom.

Four-Pane Windows

Our quad-pane window is, quite simply, unmatched. If you want the best, this is it. Four panes of glass in 2″ glazing pockets add up to truly impressive insulation and noise reduction. This is yet another proven design our engineers developed to meet even our toughest extremes. Available in casement, picture and awning designs.  

Triple-Pane SLIDER

Our series of sliding windows are proven, cold-weather windows. The 1-3/8” glazing pocket and tight-sealing closure provides SUPERB insulation and noise reduction not found in other sliders. If you prefer sliders, this is the window your home deserves.

Made for Alaska

Windows made in the Lower 48 are designed for homes in the Lower 48. Northerm windows are designed for the high winds and subzero temperatures of Alaska’s northern climate.