Knowledge Center
Practical guides, demonstrations, sales techniques, and technical resources for window film, glazing, and inspection professionals.
Window Tint Meter: How to Measure Tint & VLT Accurately
A window tint meter measures VLT (Visible Light Transmission) by shining a calibrated light through glass and reading how much passes through to a sensor on the other side. It instantly displays the tint percentage, giving installers, shop owners, and inspectors a fast, accurate, and legally rel...
EDTM Tint Meters: Pricing, Models & Where to Buy
EDTM's three tint meters are priced at $105 for the TC1800, $139 for the TC2800, and $229 for the TC3800 Pro (single-unit pricing; volume discounts apply at 5+ and 10+ units). The TC1800 is a single-piece meter for side and rear windows. The TC2800 adds a backlit display and finer 0.1% resolutio...
Understanding Low E, VLT, and Glass Performance: A Beginner's Guide
Low E, VLT, and glass performance describe different characteristics of a window.
Low E refers to a low emissivity coating designed to influence radiant heat transfer through glazing.
VLT, or Visible Light Transmission, describes how much visible...
5 Glass Testing Skills Every Window Film Professional Should Learn
Window film professionals need more than installation skills. They also need to understand the glass they are working with.Developing these skills helps professionals gather better information before making product recommendations or beginning an installation.Installation Skills Are Only Part of t...
What Every Window Film Professional Should Know About Glass Before an Installation
Before installing window film, professionals need to understand the glass they are working with. That includes identifying the glazing construction, checking for Low E coatings, determining whether film is already installed, understanding visible light transmission, and looking for conditions that...
How to Identify Low E Glass Windows
Why Identifying Low E Glass Matters
One of the easiest ways to make the wrong recommendation is to assume you know what type of glass is installed.
Two windows may look identical.
Both may appear clear.
Both may have similar reflectivity.
Yet one could have a Low E coating while the other does not.
...
How to Build a Window Sales Kit That Helps You Close More Deals
A window sales kit helps you move the conversation from opinion to evidence. Instead of relying on brochures or product claims, it gives customers the opportunity to see, compare, and understand the performance of dif...
How to Translate Window Film Specifications Into Everyday Benefits
The Translation Gap: Specs vs. Benefits
When clients look at a spec sheet, they often see a wall of numbers rather than how the product will improve their daily lives.
The most effective window film and glass sales presentations bridge this gap by showing exactly what the specifications mean
...
Why Do Most Window Film Sales Presentations Fail?
Most window film sales presentations fail because they rely on abstract claims and technical jargon rather than concrete, data-driven proof. When sales reps simply tell customers a film "blocks heat" or "reduces glare" without letting them experience or measure the benefits, buyers strug...
How to Demonstrate Window Film Performance to Customers: A Guide for Window Tinting Professionals
To effectively demonstrate window film performance, use
EDTM testing tools like
BTU heat lamps,
solar transmission meters, and
tabletop displays
to provide undeniable, data-driven proof of infrared (IR) rejection, visible light transmission (VLT), and UV protection.
Why D...
