Our showroom is located at 2515 23 Mile Road, Shelby Township, MI 48316

MLC makes windows and doors with vinyl and wood material.

A measure of a product’s ability to resist the transfer of thermal energy. It is the opposite of the U-Value. Remember: Higher is better when comparing R-Values.

A measure of rate of non-solar heat flow through a material or assembly. It is the opposite of the R-Value. Remember: Lower is better when comparing U-Values. 

The warranted coverage periods vary depending on the product and the type of application they are installed. Click here to see MLC Warranty for all products.

It’s important to remember that condensation is a natural occurrence, which isn't caused by windows, thus it can’t be prevented by windows. Click here to read our “Windows & Water: Condensation Facts.” It contains information and tips on how condensation can be controlled in your home.