Grisham and Unique Home Designs security bars get good user reviews from The Home Depot customers, while Lowe's customers give good reviews to Mr. Goodbar and Knape & Vogt security bars. Security grills can be internal or external and can even be decorative.
Grisham offers several sizes and styles of security grills for windows. The finish is usually powder coated white or black. The styles change according to the number of bars installed in the grill, usually between three and six. Grisham also offers decorative details such as scrolled wrought iron and spear points.
Unique Home Designs window guards are more decorative. Most window grills sold at The Home Depot feature scroll work in various designs. Some also feature spear points at the top and bottom. Unique Home Designs offers window grills that are available in white or black.
Mr. Goodbar security grills tend to be plain in design. They feature metal bars at determined distances from one another. It's also possible to customize their construction.
The Knape & Vogt security grill also gets good customer reviews. The model sold at Lowe's as of 2015 is adjustable to numerous window heights and widths.
External window grills fit over the glass on the outside. Contractors either install the grill into the sides of the window reveal or onto the face of brickwork. Internal window grills fit inside the window.