Anatomy of a mobile home

Illustration represents typical mobile home construction and components which sometimes vary by manufacturer.

1. End rail

2. J-rail

3. Top starter panel

4. Exterior metal panel

5. Double hung (egress) window

6. Mobile home exterior door

7. Bottom starter panel

8. Wall sheathing

9. Carpeting

10. Carpet pad

11. Heat duct system

12. Furnace base

13. Running gear (wheels, tires, axles)

14. Bottom plate

15. Gusset

16. Water supply lines

17. Drain line/Sewer pipe

18. Fiberglass flooring insulation

19. Bottom barrier (blackboard, belly board,

shepherd board, etc.)

20. Junior I-beam (main rail)

21. Outrigger

22. A-frame

23. Hitch & jack

24. Front cross member

25. Floor joists (16" on center)

26. Stringer

27. Vapor barrier

28. Floor underlayment

29. Bottom sill

30. Vinyl floor covering

31. Fiberglass insulation in exterior walls

32. 2" x 4" studs

33. Header

34. Top plate

35. Belt rails

36. Second layer of fiberglass roof insulation

37. Ceiling panels

38. Second roof vapor barrier

39. Truss rafter

40. Tie rail (cross rafter)

41. First roof vapor barrier

42. First layer of fiberglass roof insulation

43. Galvanized steel roof

44. Furnace roof stack

45. Electrical outlet box

46. Electrical wires