Materials Required to Install Aluminum Windows

Hardware and Materials

• Hardware components used to install aluminum windows include nails, stainless steel hinges, screws and rivets. Hinges secured by screws ensure that windows open and close properly, while screws and rivets connect the aluminum framing together. Roofing nails sized at approximately 1 ½-inch are used to tack window nailing fins to sheathing, connect window sills to framing and attach metal flashing to the wall. Exterior-grade elastomeric caulk can also be used to attach metal flashing if an adhesive material was not provided by the window manufacturer. Additionally, foam insulation is used to fill in gaps and protect the window from weight of the building.

Tools and Equipment

• At minimum, your toolkit for installing aluminum windows should consist of a tape measure, a hammer and a cordless power drill for making holes and driving in screws. If you are replacing windows, have a flat pry bar at hand to remove old window stops and jamb liners, and a scraper for removing old paint and finishes. A putty knife and utility knife are also helpful. Putty knives smooth on epoxy fillers; utility knives help trim shims so they are flush with the window unit. Additional tools for installing aluminum windows include a caulking gun, 2-foot and 4-foot levels, and a 3/8-inch spade bit for forming holes along the frame.

Considerations

• When purchasing aluminum windows, “Ask the Builder” author and nationally syndicated newspaper columnist Tim Carter suggests looking at quality ratings by noted independent certification associations. Aluminum windows should meet industry standards set by organizations such as the American Architectural Manufacturers Association (AAMA) and the National Fenestration Rating Council (NFRC). This ensures that your new windows are made with durable, high-quality material that will last for decades rather than for two or three years. Also, start by ordering one or two windows to install along the sides or at the back of your home. This not only minimizes costs for startup materials but also allows you to test installation methods before moving on to more visible areas of your home.

Features

• Manufacturers offer a variety of accessories and finishes to match their aluminum windows with, or distinguish their aluminum windows from, existing units. For example, grid patterns such as colonial and cottage styles vary windows' appearance. Glazing options include clear monolithic, tempered or insulating glass, and colored tinting. Weatherstripping is often added to reduce heat transfer and improve windows’ thermal performance. Work with your manufacturer or builder to custom-build aluminum windows with these features, which can minimize materials and customization needs during installation.