Knowledge Center

Practical guides, demonstrations, sales techniques, and technical resources for window film, glazing, and inspection professionals.
How Do You Measure the Thickness of Double-Pane Glass?
How Do You Measure the Thickness of Double-Pane Glass?
Short answer: use a glass thickness meter that reads a sealed double-pane unit in place. A tool such as the EDTM Glass-Chek PRO reports the thickness of each pane of glass, the air space between them, and the overall unit thickness from a single measurement, with no disassembly.Key Takeaways• A d...
Window Film Sales Pitch: What to Say to Close More Residential and Commercial Jobs
Window Film Sales Pitch: What to Say to Close More Residential and Commercial Jobs
A strong window film sales pitch follows a sequence: set the agenda, ask discovery questions, restate the problem in the customer’s words, demonstrate the solution, recommend one clear option, present the price with its value, and ask for the decision. This guide shows what to say at each step, with sampl...
How to Sell Window Film: 7 Proven Sales Techniques for Dealers and Installers
How to Sell Window Film: 7 Proven Sales Techniques for Dealers and Installers
To sell window film, diagnose the customer’s problem before you pitch, check the glass, demonstrate the result instead of describing it, translate specifications into everyday benefits, recommend options tied to their goals, answer objections with evidence, and ask clearly for the decision. This guide wal...
Glass Thickness Gauge Buying Guide: How to Choose the Right Tool for Your Shop
Glass Thickness Gauge Buying Guide: How to Choose the Right Tool for Your Shop
A glassthickness gauge tells you what is actually in a window before you quote, order, or install: the thickness of each pane, the air space between them, the overall unit thickness, and in the right models, the type and location of a Low-E coating. The right gauge saves you from ordering the wrong insulat...
Master Window Sales with an EDTM Sales Kit
Master Window Sales with an EDTM Sales Kit
The EDTM Window Sales Kit Training Course teaches you to sell windows using EDTM meters and sales kits. It has 24 chapters and 47 lessons covering window terms, energy efficiency, coatings, sales fundamentals, and hands-on demonstrations that measure light transmission, heat rejection, and UV protection. ...
Window Film Sales Training Course
Window Film Sales Training Course
The EDTM Window Film Sales Kit Training Course teaches window film sales in 30 chapters and 59 lessons. It covers window and film product knowledge, foundational sales techniques, and hands-on demonstrations with the EDTM sales kit. It costs $49.99 per month, and every episode includes quizzes.Frequently ...
Glass Thickness Gauge for Glaziers: How to Verify Glass Before Ordering Replacement IGUs
Glass Thickness Gauge for Glaziers: How to Verify Glass Before Ordering Replacement IGUs
Before you order a replacement insulating glass unit (IGU), you need to know the glass thickness, the air space, the overall unit thickness, and the Low-E coating type. A glass thickness gauge from EDTM, the Glass-Chek PRO (GC3001), measures glass, air space, and overall thickness and detects ...
Glass Thickness Tolerance Testing in Manufacturing: How to Verify Specs With a Glass Thickness Meter
Glass Thickness Tolerance Testing in Manufacturing: How to Verify Specs With a Glass Thickness Meter
Tolerance testing compares what you built to what the spec says you should have built. A glass thickness meter does the measuring half of that job: the EDTM Glass-Chek PRO (GC3001) reads glass thickness, air space, and overall IG unit thickness, and identifies Low-E coating type and location, ...
How Window Tint Is Measured: Testing Methods, Tolerances, and Industry Standards Explained
How Window Tint Is Measured: Testing Methods, Tolerances, and Industry Standards Explained
Window tint is measured as Visible Light Transmission (VLT), the percentage of visible light that passes through the glass and any film applied to it. A window tint meter shines a light source through the glass, reads how much reaches a sensor, and displays the result from 0 to 100%. A lower V...
Can You Measure Glass Thickness Without Removing the Window?
Can You Measure Glass Thickness Without Removing the Window?
Yes. A handheld glass thickness gauge measures glass and air space thickness in an installed insulated glass (IG) unit without removing the window. Laser gauges like EDTM's MG1500 MIG measure from a single side with no additional tools, and meters like the Glass-Chek PRO test windows already installed in ...
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