ProVia Entry Doors and Sliding Glass Patio Doors

Exterior Entry Doors

Sliding Patio Doors

Optional Internal Blinds

Replacing old drafty doors is often done at the same as when you are replacing old windows.  We sell and install quality made sliding glass patio doors and heavy duty steel doors and fiberglass entry doors.  One of our estimators can provide a brochure for the doors and discuss your product options.

ProVia Sliding Glass Patio Doors

ProVia makes high quality energy efficient sliding patio doors.  You have the option of getting a door with internal blinds.  The blinds can be raised or lowered and can be tilted up or down depending on the angle of the sun.  The blinds can be closed completely for privacy.  Internal blinds are a very popular option if you have neighbors that are close to you, especially in condo and townhome communities.



ProVia High Quality Exterior Entry Doors

Your front entry door creates a first impression when people visit your home.  There are many styles, glass options, colors, and hardware options to choose from in a range of prices.


* Choose Your Door Style.

* Choose Your Color.

* Choose Your Glass Options.

* Choose Your Hardware.


We also sell and install storm doors to let fresh air in.


An estimator can discuss your options in more detail.


Choose a Door With a Stained Woodgrain Finish or a Painted Smooth Finish


0% Financing & Low Interest Financing Available

We offer multiple affordable financing options for your replacement windows, doors, or siding project.  You pick the plan you like best.


* 0% Interest and NO Payments for one full year.

* Or 6.99% Interest with regular monthly payments and a longer payback term.


Contact us for an in-home estimate to see samples of the different windows.


Office Location:

Bay State Window Experts

108 Milk Street (Route 135)

Westborough, MA 01581


Monday to Friday 8:30 AM to 5:00 PM


Phone:  774-573-1063


*** Serving the entire Metro West MA region.


We'll bring samples to your home.

We'll show you samples of the different options and explain the installation process.  We do NOT have high pressure sales people and you will never be asked to "buy today".  All estimates are guaranteed for 30 days.



Our window and siding installers are so good that we offer a Lifetime Warranty on our original workmanship.



Call us or fill out the form to schedule an estimate and see samples.  The estimator that services your town will reply to you by the next business day.



Our minimum job size is 5 windows.

Contact Us


Serving All of Metro West MA.  We'll Bring Samples to Your Home.