1. House Construction

2. Learning Standard 5. Construction Technologies Construction technology involves building structures in order to contain, shelter, manufacture, transport, communicate, and provide recreation. 5.1 Describe and explain parts of a structure, e.g., foundation, flooring, decking, wall, roofing systems.

3. Learning Objectives At the conclusion of lesson students will be able to: 1.Explain why a building structure needs a solid foundation 2.Describe & explain the parts of the floor system in a building 3.Describe & explain the parts of a wall system in a building 4.Describe & explain the parts of a roofing system in an building 5.Explain how each of these systems work together to provide shelter for people

4. A House… Provides people with shelter & storage

5. Foundation The part of the house that rests on the ground and supports the upper structure All buildings require a solid foundation or the building cannot be constructed properly

6. Once the foundation is finished - the floors & walls of the house can be built

7. Center Beam Girder installed in the middle of the house to support the upper structure

8. Floor Joists Support floor of house - boards run from the front of the house to the rear Center Beam

9. Floor Joists & Center Beam

10. Subfloor First layer of flooring (plywood or particleboard) nailed to the floor joists

11. Walls Wall Studs:Pieces of lumber, usually 2 x 4’s, used for the framework of walls

12. Walls Sheathing:Nailed to wall framework to enclose structure on the outside. Made of plywood or particleboard

13. Walls being put in place

14. Cross Section View of House If you want to remove a wall in a house you must make sure that it is not a WEIGHT BEARING wall

15. Roof 1) Keeps precipitation out 2) Stabilizes the walls

16. Roof Prefabricated triangular framework that supports a roof Truss: Roof can be built quickly

17. Roof Roof Decking:Sheets of lumber (usually plywood) nailed to the outside of the roof trusses

18. Roof Nailed to the roof deckingRoof Shingles: Shingles weatherproof the roof

19. Siding Put on the outside for protection from the weather - attached to sheathing Outside windows & doors are also installed Wood shinglesVinylBrick

20. The house is now Weatherproofed & Secure Interior work can begin

21. Insulation Material used to keep heat or cold from leaving or entering a building Rolls made to fit between floor joists, ceiling joists and wall studs Most popular form is fiberglass

22. Insulation In wallsIn ceilings

23. Inside Wall Covering Drywall:Inside covering of walls and ceilings, made from plaster and sturdy paper (commonly referred to as Sheetrock)

24. Inside Wall Covering Sheets are screwed to the walls and ceilings - cracks & screws are covered with tape & joint compound

25. Inside Wall Covering Walls may then be painted or covered with paneling or wallpape r Light fixtures & switches can also be installed

26. Interior Flooring:Usually the last to be completed so that it will not be damaged while other work is being done Can be wood, stone, tile or carpeting