25.5 Roof Beams . . . . . . . . . . . . . . . . . . 714 25.6 Fasteners . . . . . . . . . . . . . . . . . . . . 715 25.7 Partitions . . . . . . . . . . . . . . . . . . . . . 716 25.8 Planks . . . . . . . . . . . . . . . . . . . . . . . 717 25.9 SIPs . . . . . . . . . . . . . . . . . . . . . . . . 718 25.10 Box Beams . . . . . . . . . . . . . . . . . . 719 25.11 Laminated Beams and Arches . . . 719 25.12 Prefabricating Post-and-Beam Structures . . . . . . . . . . . . . . . . . . . . 720 Chapter 26 Systems-Built Housing . . . . . . . . . . . 725 26.1 Factory-Built Components . . . . . . . 726 26.2 Types of Systems-Built Homes . . . . 727 26.3 Concrete Homes . . . . . . . . . . . . . . . 728 26.4 Modular Homes . . . . . . . . . . . . . . . 728 26.5 Panelized Homes . . . . . . . . . . . . . . 730 26.6 Precut Homes . . . . . . . . . . . . . . . . . 731 26.7 Log Homes . . . . . . . . . . . . . . . . . . . 731 26.8 Onsite Building Erection . . . . . . . . . 731 26.9 Assembling a Panelized Home . . . . 732 26.10 Manufactured Homes . . . . . . . . . . 738 Chapter 27 Green Building and Certification Programs. . . . . . . . . . . . . . . . . . . .741 27.1 Development of the Green Home Market . . . . . . . . . . . . . . . . . 741 27.2 Green Building System . . . . . . . . . . 742 27.3 Green Certification Programs . . . . . 751 Chapter 28 Remodeling, Renovating, and Repairing . . . . . . . . . . . . . . . . . . . 757 28.1 What Comes First? . . . . . . . . . . . . . 758 28.2 Design of Old Structures . . . . . . . . 762 28.3 Replacing Rotted Sills. . . . . . . . . . . 762 28.4 Hidden Structural Details . . . . . . . . 763 28.5 Removing Old Walls . . . . . . . . . . . . 765 28.6 Providing Shoring . . . . . . . . . . . . . . 768 28.7 Framing Openings in a Bearing Wall . . . . . . . . . . . . . . . . . . 769 28.8 Small Remodeling and Repair Jobs . . . . . . . . . . . . . . . . . . . 771 28.9 Building Additions onto Homes . . . . 775 28.10 Responsible Renovation . . . . . . . . 776 Chapter 29 Building Decks and Porches. . . . . . . 781 29.1 Structural Materials . . . . . . . . . . . . . 782 29.2 Decking Materials . . . . . . . . . . . . . . 784 29.3 Fasteners and Connectors . . . . . . . 784 29.4 Deck Planning and Layout . . . . . . . 786 29.5 Constructing the Deck . . . . . . . . . . 788 29.6 Pergolas . . . . . . . . . . . . . . . . . . . . . 794 29.7 Porches . . . . . . . . . . . . . . . . . . . . . . 794 Copyright Goodheart-Willcox Co., Inc. xxi