BlackBerry’s choice for quality fiberglass sliding patio doors is Kolbe Forgent. Read more about this innovative product below.

Kolbe Windows and Doors Logo - Medium

Forgent Series windows and doors feature a proprietary Glastra® material and thoughtful design, making them simple, convenient and easy to install. With lead times to match your project schedule, this high-performance product line is a perfect choice for new construction or replacement.


Strong & resilient Glastra exterior
with Glastra or wood interior options

Energy efficiency & impact performance
options to meet local climate demands

High-performance & strength
due to an advanced ladder design with multiple chambers

Prevents air & water infiltration
with welded sash & frame

Selection of exterior & interior finishes
including stains & paints

Recyclable Glastra Material
repurposed in products of other industries

Kolbe Means Customization

Kolbe sliding doors offers an array of collections, along with nearly limitless custom options, that provide architects and homeowners the freedom to create and execute truly unique designs.

Kolbe Means Craftsmanship

Kolbe’s commitment to producing quality windows and doors began more than 75 years ago. Every Kolbe window and door is truly built to order. If you can dream it, Kolbe can build it.

Kolbe Means Expertise

You can’t find Kolbe windows and doors in the aisles of a home center. As a qualified Kolbe dealer, we are as passionate about windows and doors as you are about bringing unique visions to life.


BlackBerry’s Limited Lifetime Warranty

BlackBerry Systems offers some of the best warranties on the market, with Limited Lifetime Workmanship and Glass Breakage warranties that give you unmatched protection for your installed products. We take pride in our work and have a full-time dedicated service department to address all possible product warranty issues that may occur.


Financing Options to Suit Your Needs

BlackBerry works with both Synchrony and Enerbank to offer you a variety of financing options, tailored to meet your needs and get your home improvement project going! Both Synchrony & Enerbank are industry leaders in home improvement lending, offering excellent customer service and lending options. Please read the details below and work with your BlackBerry sales rep to choose the best plan for your needs.

Other Replacement Window Material Options