NORTHGUARDWINDOW FILM(437) 217-3456 ↗Keep glass in place without changing how it looks
The thinnest film in Madico's clear safety range.
NorthGuard installs Madico Clear safety film in its thinnest single-ply build in Toronto and the GTA. The film holds shattered glass together with no visible tint, and suits glass partitions, display cases and view windows.
On-site check and written quote · Mobile service across Toronto and the GTA
- Film thickness
- 0.0045 in
- Break strength
- 100 pounds per inch of width
- Visible light transmitted
- 87%
Madico's published typical values, measured on single-pane 6 mm clear glass. Full specifications and sources
The broken-glass risk Clear 4mil is built for
Madico Clear 4mil is for glass where a broken pane would be a hazard or an easy way in. Standard window glass breaks into sharp pieces, and many owners do not want a tint on windows that already look right. Showpiece glass and view windows are common examples.
How Clear 4mil is built and what it does
Clear 4mil is a single-ply film about 0.0045 inch thick. It lets 87% of visible light through, reflects 9% and blocks 99% or more of UV. Madico describes its clear safety films as holding shattered glass together while staying clear.
Where Clear 4mil fits best
NorthGuard suggests Madico Clear 4mil for jobs like these.
- Interior glass partitions and office doors where only a hold-together layer is wanted.
- Display cases and glass shelving where appearance counts and 87% visible light keeps goods looking true.
- View windows and architectural glass that should look untouched.
- Jobs that call for the thinnest clear option on Madico's list.
What Clear 4mil will not do
Madico Clear 4mil has limits that NorthGuard states before any quote.
- At 100 pounds per inch of width, break strength is the lowest figure in Madico's clear safety table.
- Heat control is minor, with 20% total solar energy rejected and 2% glare reduction, so this is not a solar film.
- The film helps hold broken glass together and can delay entry, but the pane still breaks. Madico publishes no puncture or tear numbers.
Get a Clear 4mil quote from NorthGuard
NorthGuard checks your glass on site, confirms that Clear 4mil suits it and sends a written quote.
Clear 4mil specifications from Madico
Madico publishes these values for Madico Clear 4mil, part CL 400 PS SR.
| Property | Madico value | Source |
|---|---|---|
| Visible light transmitted | 87% | 1 |
| Visible light reflected, exterior | 9% | 1 |
| Visible light reflected, interior | 9% | 1 |
| Glare reduction | 2% | 1 |
| Total solar energy rejected | 20% | 1 |
| Shading coefficient | 0.92 | 1 |
| Solar heat gain coefficient | 0.80 | 1 |
| Ultraviolet rejected | 99% or more | 1 |
| Infrared rejection | 31% | 1 |
| Film thickness | 0.0045 in | 2 |
| Structural component | 0.004 in | 2 |
| Structure | Single ply | 2 |
| Break strength | 100 pounds per inch of width | 2 |
| Tensile strength | 25,000 PSI average, machine and transverse direction | 2 |
| Peel strength | 5 to 6 pounds per inch | 2 |
| Adhesive | Acrylic pressure sensitive | 2 |
- Madico PDF: Safety security film performance measurements
- Madico page: Clear safety security
- Madico PDF: Safety and security brochure
Optical values are Madico's published typical values, measured on single-pane 6 mm clear glass, so results on your own glass can differ.
Clear 4mil questions and answers
NorthGuard answers these questions about Madico Clear 4mil with Madico's published data.
Will Madico Clear 4mil change how my windows look?
Clear 4mil lets 87% of visible light through and reflects 9%, so glass stays close to its untreated look. Glare reduction is only 2%. Madico describes the range as staying clear while it blocks UV.
How strong is Clear 4mil?
Madico lists Clear 4mil at 100 pounds per inch of width for break strength, 25,000 PSI average tensile strength and 5 to 6 pounds per inch peel strength. Clear 4mil is the thinnest film in the clear range and has the lowest listed break strength. Madico does not publish puncture or tear numbers.
Does Clear 4mil block UV?
Clear 4mil blocks 99% or more of UV on single-pane clear glass. It also rejects 31% of infrared and 20% of total solar energy. UV blocking is the one extra benefit worth noting here.
Can Clear 4mil help when glass gets smashed?
Clear 4mil holds shattered glass together, so pieces stay on the film instead of falling. Holding the pieces can delay entry through the pane, but the pane still breaks.
Madico Clear 4mil for Toronto glass that needs backing
NorthGuard installs Madico Clear 4mil on Toronto storefronts, offices and ground-floor glass where a broken pane is the worry. NorthGuard looks at the glass type, frame and edges first, because film choice depends on how the glass is held.
NorthGuard comes to you in Greektown, Kensington Market, Leslieville and Roncesvalles: neighbourhoods known for main-street shopfronts with street-level glass. Mobile service covers the rest of Toronto and the GTA, with no showroom.
Madico Nova 70, our premium option
Madico Nova 70 is our premium option for sun and heat, a different job from Clear 4mil: Madico lists Nova 70 at 68% visible light transmitted, with 46% of total solar energy rejected.
The Nova promotion (ends December 31, 2026): 30% off supplied and installed, from 50 sq ft of glass.
See Nova 70, our premium optionMore clear safety films from NorthGuard
NorthGuard also installs the other films in this Madico range, and each one has its own page.
All Madico films NorthGuard installsSafety window film in Toronto
Madico is a trademark of Madico, Inc. Warranty details on request. NorthGuard buys Madico film as a customer and is not a Madico dealer. Prices are per sq ft before HST, and NorthGuard confirms every total in a written quote after measuring.