BL exterior provides exteriors remodeling & alterations, additions and design services to the Lake Oswego and Multnomah county surrounding areas. Lake Oswego is filled with beautiful neighborhoods and homes. Lake Oswego is a growing urban area that has a great community, social events, and development.

Beisas Legacy takes great pride in the history of the many cities and areas where we provide our services such as Lake Oswego.

BL exterior is a professional and dependable certified Exterior, roofing & siding contractor here in the city of Lake Oswego, Or.

A siding expert that really knows the city of Lake Oswego and its community .

Beisas Legacy, in the Lake Oswego and surrounding areas, is often called to replace vinyl siding, T111 siding, defective rotting LP siding, synthetic stucco siding, LP siding , Hardie plank siding, EIFS and DRYVIT siding, damaged cedar siding, and other common siding material for homes built in the last 30 years .

As Exterior experts we do roofing, gutters, siding windows replacement ,decks & Paint,construction defect repair water intrusion management, exterior structures alteration, porches on Residential, multi-family buildings, apartments & commercial buildings here in Lake Oswego, Or.

Through out Lake Oswego you can find siding or structural problems due to the improper installation of the exterior wall assembly, lack of proper water management , ventilation and design during the building boom in the 1990s and 2000s which has caused many buildings to perform poorly and has caused material failure witch sadly has left many building structures with defects and necessary repair work.

Beisa’s Legacy exterior team of professional experts are certified and accredited trade professionals extensively trained to ensure and execute the proper solution and material for Lake Oswego homes to protect the exterior envelope of your building/home .

Beisa’s Legacy specializes in roofing, siding, windows, decking, structural alteration, construction defect repair, dry-rot repair & paint with a team of professionally trained exteriors experts with 18 years of practical and real experience ;