Chicago Window Expert Nobody knows more about windows.
  • Glass Consultant for Architects, Engineers and Building Owners

    Window glass is an important and complex subject. Yet glass is in nearly every building where it may perform well or maybe not so well. Architects, engineers and building owners face difficult challenges when confronted with deciding how to specify window glass for new construction, glass replacement or refurbishment. There are many choices to make.

    We provide the benefit of our 30 years of experience as a top window & glass contractor to these professionals and provide them with the information they need, such as:

    We help answer your questions about window glass, such as:

    • What “U-factor” should I specify?
    • What glass thickness will meet wind load?
    • What are the relative costs of different glass types?
    • What SHGC (Solar Heat Gain Coefficient) is right for my building?
    • Should I specify different performance for different elevations?
    • Should I use a pyrolytic or vacuum deposition Low-E coating?
    • What surface should the Low-E coating be applied to?
    • Should I use argon or krypton in the airspace?
    • Will my insulated glass need breather tubes?
    • Is there a way to repair fogged insulated glass?
    • Should I use a single seal or dual seal insulated unit?
    • What warm edge technology is the most reliable?
    • Where should I use safety glass?
    • Should I use safety glass in areas not required by code?
    • What type of safety glass should I use?
    • Are applied window films effective?
    • Is vacuum glass technology ready for use on my building?
    • Can I incorporate dynamically dimmable glass in my new windows?
    • Is PV (photovoltaic) ready to be incorporated into my design?
    • How can I make sure my glass is hurricane resistant?

    Read more…
    The Lowdown on Low-E Glass

    If you need a glass consultant…
    Contact Mark Meshulam at

    Leave a Reply


    Leave a Reply

    No Comments

Generic selectors
Exact matches only
Search in title
Search in content
Search in posts
Search in pages
Filter by Categories
About windows & glass
Accident investigation
Aluminum windows
Bad replacement windows
Bad window installation
Bad window replacement
Best windows
Broken glass evidence
building design
Building Energy Benchmarking
Building envelope
Building science
caulking contractor
Construction defects
Curtainwall retrofit
Drafty windows
Energy Efficient Windows
Expert witness
Exterior facade consultant
falls from windows
Fiberglass windows
Glass breakage
Glass evidence
Glass Safety
Glass types
leaks in walls
Mockup testing
mold in walls
My windows leak
Nickel sulfide inclusion
personal injury
Preconstruction mockup testing
PVC windows
Renewable Energy
Repair or replace windows?
Replace weatherstripping
Restoring windows
Safety glass
Safety glazing
Secondary glazing
Shower doors
Shower enclosure
solar energy
Solar Power
Spontaneous glass breakage
Steel windows
Testing windows and glass
The Construction Process
Types of glass
Vinyl windows
Web statistics
Window air infiltration
Window air leaks
Window condensation
Window dangers
window falls
Window gaskets
window replacement
Window retrofit
Window safety
Window test
Window testing
Window types
Window water leaks
Window weatherstrips
Windows and Energy
Windows leak
Wood windows
Wynn Hotel
NEW: Caulking Contracting
Now offering caulking and waterproofing services. Contact
for details
Contact us!

No matter where you are,
Chicago Window Expert can help you
Mark Meshulam
Email me               CV-Resume'
Brochure      Testing Credentials
Follow us on Facebook or Twitter
for updates you won't see here
View Mark Meshulam's profile on LinkedIn


Alabama, Alberta, Arizona, Arkansas, British Columbia, California, Colorado, Connecticut, Florida, Georgia, Hawaii, Illinois, Indiana, Iowa, Japan, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, New Jersey, New York, North Carolina, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Russia, Singapore, Tennessee, Texas, Utah, Virginia, Washington State, Washington DC and Wisconsin

Coming soon to you

Photo of the day

Outside the test chamber, the blank wall with the chamber door is seen. The lab has painted it to protect it from the punishing test sequence to come.