Window Decals vs Perforated Vinyl vs Frosted Film

Cut vinyl is exactly what it sounds like — coloured vinyl cut to the shape of your letters and logo, with everything around them weeded away. There is no background; the glass shows through between the letters.

What it is good at: crisp, permanent-looking text and marks. It is the standard for shop hours, business names, phone numbers, door lettering and window logos. Because there is no printed background, it looks integrated with the glass rather than stuck on it.

Its limitation: it is solid colour only. No photographs, no gradients, no complex full-colour artwork. A multi-colour logo is achievable by layering, but every additional colour adds work and cost.

Inside or outside? Second-surface application — applied to the inside of the glass, reading correctly from outside — is protected from weather and vandalism and generally lasts longer. It requires the design to be mirrored and needs clean interior access. Exterior application is simpler but more exposed.

Perforated vinyl — often called one-way vision film — is a printed vinyl punched with thousands of small holes, typically around 50% open area. Your graphic is printed on the outward face; the back is black.

From outside, your eye reads the printed surface and the holes disappear, so it looks like a solid full-colour graphic. From inside, you are looking from a darker space toward a bright exterior through the holes, so you see out as though through a tint.

Use it when you want to use a large glass area for advertising without blacking out your shop, when you want privacy without losing daylight, or when you want to cover an unattractive view while keeping natural light.

Be honest about the trade-offs. The view out is genuinely reduced — it is a tint, not a clear window. The effect depends on the light differential, so at night with interior lights on the illusion reverses and people can see in. And the perforated surface collects dust and cannot be squeegee-cleaned like flat vinyl.

Frosted vinyl mimics acid-etched glass — translucent, so light passes but detail does not. It is the standard solution for privacy where you still want daylight.

Common uses: meeting rooms and offices, treatment rooms in salons and spas and clinics, bathroom windows, and the lower portion of a storefront to screen a workspace.

It can be cut with your logo or a pattern rather than applied as a plain band, which is an easy way to get branding into a space that would otherwise be purely functional. A frosted band with the logo knocked out of it is a common and effective treatment.

Frosted film also serves a safety function on large glass panels and full-height glass doors — a horizontal band at eye level stops people walking into glass they did not register was there. Some settings require this.

Most storefronts end up using more than one, in different zones:

Door and eye-level glass — cut vinyl for hours, name and phone. Keep it minimal; this is the information people look for through the glass when you are closed.

Large display windows — perforated vinyl if you want a full-colour graphic covering the area, or cut vinyl if you would rather keep the window clear for a display.

Lower panels screening a work area — frosted, often with the logo cut into it.

Seasonal promotions — plan these as separate, replaceable pieces rather than integrating them with permanent elements. Otherwise every promotion means re-cutting your logo. Static cling is worth considering here, since it removes cleanly and leaves no residue.

The whole picture is covered on our window graphics page, and for businesses doing a full storefront at once, retail branding covers how the window relates to the sign above it.

Surface preparation determines everything. Glass must be genuinely clean — not just visually clean. Most window vinyl failures trace back to residue, grease or dust under the film, which shows as bubbles or edges lifting within weeks.

Temperature matters at install. Vinyl and its adhesive behave badly in cold, which is a real constraint on exterior application through an Ottawa winter. If you are planning exterior window graphics in the colder months, ask about timing.

Lifespan is typically several years, with exterior-applied film and south-facing glass at the shorter end due to UV exposure. Interior-applied vinyl generally lasts longer because the glass shields it.

Removal is normally clean on quality vinyl, though older film and film left far past its life can leave adhesive residue. If you are in a leased unit, it is worth confirming what your lease says about window treatments before you install.

Ask about installation when you request your quote — what is involved depends on the glass size, access, and whether the application is interior or exterior.