Are you tired of the way your home looks? We are experts in Home Improvement. Since 1981 homeowners have relied on Bruin’s expertise and experience updating their most valuable assets – their homes. Over 15,000 customers in 55 Massachusetts towns have worked with Bruin Corporation to replace their windows and doors, improve their insulation, update their siding and replace their roofs. Bruin also offers expert installation on replacement gutters and downspouts.