We were searching for top –quality windows and doors and found them at BSIIG. From the beginning BSIIG SilverTree was great. Your salesmen came to our home to show us real windows from the ALSIDE window line and he patiently answered all of our questions. After doing my research, We determined that ALSIDE Windows gave us the best bang for our buck. They are rated high or higher than the competition and we prefer to buy named brand products that have been proven in life styles, you provided a higher aesthetic presentation.

Working with your company was a pleasure for us. The keystone for me was the installation crew they showed experience. We were worried about the finished look both inside and outside on our home, your installers could not have been better, our family and friends commented on what a beautiful job your company performed with our window choices and you were quick.

We strongly would recommend you and the ALSIDE windows you sold us.

-David C.

“They don’t waste time! The entire proces from estimate to installation only took two weeks! Thanks again SilverTree!”

Thank you, Anne P

Silvertree Windows by BSIIG has searched the USA of window manufacturers to select the finest, award winning products.

BSIIG refuses to sell "no name" windows or unknown brands.  We prefer to trust the experts of the industry to deliver the best possible products and results.  Silvertree windows & doors using factory trained crews offers, Alside, Simonton, Milgard, Amerimax, Plastpro, Jeld-Wen, Crane Siding, James Hardie siding, and ALSIDE siding.

For the discriminating homeowner, Silvertree Windows is proud to offer Alside. Replacement windows and doors, backed by reputation for quality and excellence.  Affordable luxury with Excalibur II since 1947

The Exaclibur II windows features innovative engineered components that provide the basis for superior energy savings, the multi chamber design of the excalibur II window helps trap dead air to produce an effective insulating barrier, while fusion-welded frames and sashes provide superior structural strength and create a permanent barrier against air and moisture infiltration.  A special multi-layer weather stripping and a superior sash interlock system offer additional barriers to air infiltration adding up to a greater energy savings and lower utility bills.  They will not rot, swell, split, corrode or pit.  They are tough, durable, and other than an occasional wash, requires minimal maintenance.