Inclose The Addition January 2, 2023May 17, 2014 by precisionconstructioncoAdmin 310-497-5438Let’s Make a Call For Your Home Designing.Request a Quote Precision Construction Co. working on a room addition in the greater Los Angeles area. We are about to start erecting walls to enclose the addition, which you will see in this video. For all your framing and addition needs call us at (310)-497-5438