An single-room addition can transform the flow of your entire house. It could be a family room with fireplace, powder room or backyard sunroom. Tri City Maintenance and Roofing will help you achieve your dream home flow within your home if it is done correctly. Incorrectly planning and executing room extensions or build-outs can result in an unwieldy architectural addition with the utility of an additional elbow. It creates space. Your room addition can transform your life. Choose the right construction company to build your Chesterfield room addition. Choose Tri City Maintenance and Roofing.