Window decals for business: types, sizes and installation

Decide what your window must say

A storefront window has two audiences: people walking past, and people deciding whether to come in. Plan the glass as a layout, not a collection of stickers.

The permanent layer usually includes your name or logo, what you do in a few words, opening hours, and any practical notices such as accessible entrance or payment options. The changing layer holds seasonal offers, events and new products. Keep the permanent layer compact and consistent, and give the changing layer clear space so it can rotate without clutter.

A useful rule is to cover no more than about a quarter to a third of the glass with graphics, unless privacy is the goal. People want to see inside, and a busy window hides the shop.

Check which notices you are expected to show. Some businesses must display license numbers, hours, accessibility information or occupancy limits, and landlords often have rules about storefront graphics. Confirm requirements with your landlord and local authorities before designing, so the permanent layer covers them from day one.

Decal types compared

The options available depend on the product, so check the wall and window decals page for materials and sizes. If you are unsure, adhesive vinyl for the permanent layer and static cling for promotions is a practical split.

Match the material to how long the message lives. A holiday offer that stays up for three weeks suits static cling, which you can peel off and reuse next year. Your logo and hours, which stay up for years, suit adhesive vinyl. Graphics that cover most of a window while still letting light and views through suit perforated film.

Inside or outside the glass

Most storefront decals are applied to the inside of the glass, where they are protected from weather, cleaning and vandalism. To read correctly from the street, inside decals are printed as a mirror image or on a clear material designed to face outward. Tell the printer where the decal will go, and follow the product instructions for inside mounting.

Outside decals are easier to read without glare and suit glass that is heavily tinted or has a reflective coating. The tradeoff is exposure to weather and window cleaners. If you mount outside, choose laminated or outdoor rated material.

If your glass has a coating or film already, test a small piece first, since some adhesives do not bond well to treated surfaces.

Doors deserve their own plan. A glass door is the most looked at glass in the building, and it is where customers check whether you are open. Put hours at eye level on the door or right beside it, and keep the handle area clear so hands do not wear the print away.

Size and placement

People read windows at walking speed from a few feet to across the street. Size and height follow from that.

• Place hours and key text between about 4 and 6 ft from the ground, near eye level.
• Put your name or logo high enough to be seen over parked cars and passing people.
• Make hours text at least 1 in tall and the business name as large as the glass allows.
• Keep door decals clear of the handle area, where hands and cleaning wear them down.
• Add a visible marking on large glass doors so people do not walk into them.
• Leave a margin of a few inches from frames so the layout breathes.

For readability from across the street, the common rule of about 1 in of letter height per 10 ft of distance is a helpful starting point.

Remember the view from inside. Large solid decals block light and views for staff and customers. Perforated film reduces that problem, and placing decals in the upper or lower bands of a window keeps the middle clear for people looking in and out.

Contrast against glass

Glass is tricky because the background changes. During the day, windows reflect the street and look dark or mirrored. At night, a lit interior makes the glass bright. A decal must read in both conditions.

White lettering reads well against dark reflections during the day. Adding a solid background shape behind text improves contrast in all lighting. Thin, pale or low contrast text tends to disappear. Before ordering, tape a paper printout to the glass and check it at midday, late afternoon and after dark.

If your storefront faces the sun, glare may hide decals for much of the day. Placing decals higher on the glass, adding a solid backing behind text, or moving key information to the door, which is often shaded, all help. Walk past at different times and note when the window is hardest to read.

Keep brand colors consistent with your other print. If you have a brand kit, use the same color values so the window matches your cards and signs.

Install it cleanly

Clean installation makes a decal look professional and last longer. Choose a mild day, avoid direct hot sun, and allow time.

Clean the glass thoroughly with soapy water and a lint free cloth, then dry it. For small adhesive decals, a dry application works: position the decal with masking tape along the top as a hinge, peel the backing, and smooth from the center outward with a squeegee. For larger decals, some materials allow a wet application with a light spray of water and a drop of soap, which lets you slide the decal into place before squeegeeing out the water. Follow the method the product instructions recommend.

Static cling is the easiest. Mist the glass lightly, place the cling and smooth it out.

Measure and mark before you peel anything. Use a level and small pieces of masking tape on the outside of the glass to mark the position, so the decal goes on straight. Large decals are easier with two people, one holding and one smoothing. Push bubbles toward the nearest edge, and prick stubborn small bubbles with a pin before pressing them flat.

Removal and seasonal swaps

Plan for removal from the start, especially if you rent. Static cling peels off and can often be stored on its original backing for next season. Adhesive vinyl can usually be removed by warming it gently with a hair dryer and peeling slowly at a low angle, then cleaning any residue with an adhesive remover safe for glass.

For seasonal campaigns, combine window decals with other print, such as a matching A frame sign outside and a custom poster inside the door, so the promotion reads as one message from the street to the counter. A small QR code sticker near the door can link to your booking page or menu.

Before ordering replacements, photograph the window from the street with the old decals still up. The photo is a handy reference for placement, and it lets you compare the new layout with the old one to make sure the update improves readability rather than adding clutter.

Get the free Small Business Print Planner

Seasonal windows need lead time. The free Small Business Print Planner lets you plot each window change on a 12 month calendar so decals are ordered and installed before the campaign starts, and it adds a quote sheet and order checklist.

Window decal checklist

• Split the window into a permanent layer and a changing layer.
• Cover no more than about a quarter to a third of the glass unless privacy is the goal.
• Choose the decal type by lifespan, view and privacy needs.
• Confirm inside or outside mounting before ordering.
• Place hours and key text between 4 and 6 ft high.
• Test contrast with a paper mock up by day and night.
• Clean the glass, use a hinge and squeegee from the center out.
• Plan how and when each decal will be removed.