NACHI Crossword

1. In roofing, basic asphalt or tar which has been "cut back" with solvents and oils so that the material become fluid.

6. A T-shaped fitting with three openings.

7. In plumbing, the enlarged end of a pipe which is made to provide a connection into which the end of the joining pipe will fit.

9. Space in a window sash for a single pane of glass. Also, a pane of glass.

10. Energy Efficiency Ratio is figured by dividing BTU hours by watts.

14. To visually look. See Inspect.

16. The gaseous form of any substance.

17. In house construction, a thin flat piece of wood, plywood, or similar material, framed by stiles and rails as in a door or fitted into grooves of thicker material with molded edges for decorative wall treatment.

22. In concrete application, the process in which mortar and concrete harden. The length of time is dependent upon the type of cement, mix proportion, required strength, size and shape of the concrete section, weather and future exposure conditions. The period may be 3 weeks or longer for lean concrete mixtures used in structures such as dams or it may be only a few days for richer mixes. Favorable curing temperatures range from 50 to 70 degrees Fahrenheit. Design strength is achieved in 28 days.

23. The fixed part of a valve. The stem assembly will move up and down against the seat to open and close the valve.

25. A term to denote the number of thicknesses or layers of roofing felt, veneer in plywood, or layers in built-up materials, in any finished piece of such material.

26. Rigid black plastic pipe used only for drain lines.

27. A plumbing fitting that holds water to prevent air, gas, and vermin from backing up into a fixture.

28. In glazing, any material used to bond two lights of glass and/or plastic together to form a laminate.

31. A cylindrical or rectangular "tube" used to move air either from exhaust or intake, and for distributing warm air from the heating plant to rooms, or air from a conditioning device or as cold air returns. The installation is referred to as "duct work."

35. An abbreviation for water closet (toilet).

38. A plug in a trap or drain pipe that provides access for the purpose of clearing an obstruction.

40. Microorganisms that may grow to colonies in damp environments, including certain rooftops. They can discolor shingles. Often described as "fungus."

41. Principal, interest, taxes and insurance (the four major components of monthly housing payments).

42. A measure of the capacity of a heating or cooling system. Abbreviation of British Thermal Unit. The amount of heat energy required to raise the temperature of one pound of water through a change of one degree Fahrenheit.

43. A type of Romex cable (nonmetallic sheathed cable that contains several conductors). The cable, which is flame-retardant, is limited to use in dry locations only and can not be exposed to excessive moisture.

44. A formal offer by a contractor, in accordance with specifications for a project, to do all or a phase of the work at a certain price in accordance with the terms and conditions stated in the offer.

45. The "valuation" that you own in your home, i.e. the property value less the mortgage loan outstanding.

47. A frame or jointed structure designed to act as a beam of long span, while each member is usually subjected to longitudinal stress only—either tension or compression.

48. Trim members that run parallel to the roof slope and form the finish between the wall and a gable roof extension. The angle of slope of a roof rafter, or the inclined portion of a cornice.

49. A transparent coating made by dissolving lac, a resinous secretion of the lac bug (a scale insect that thrives in tropical countries, especially India), in alcohol.

50. A plumbing fitting that joins pipes end-to-end so they can be dismantled.

1. A short wall or masonry built above the level of the roof that provides a means of flashing the deck equipment.

2. The dimension by which the framing system overlaps the edge of the glazing infill.

3. Round, corrugated drain pipe (normally 15" or 18" in diameter) that is installed beneath a driveway parallel to and near the street.

4. The metal latch plate in a door frame into which a doorknob plunger latches.

5. A measure of water vapor movement through a material (grains per square foot per hour per inch of mercury difference in vapor pressure).

8. The angle of the front edge of a door usually from 1/8" to 2."

11. To extend one material partially over another; also, the distance so extended.

12. A package of shingles. There are 3, 4 or 5 bundles per square.

13. Heating Ventilation and Air Conditioning.

15. The lender who makes the mortgage loan.

18. A hard, brittle substance, usually transparent, made by fusing silicates under high temperatures with soda, lime, etc.

19. The finish covering of the outside wall of a frame building, whether made of horizontal weatherboards, vertical boards with battens, shingles, or other material.

20. A short pipe installed between fittings. A pipe coupling that is threaded on both ends.

21. A parcel of ground with boundaries determined by the county.

22. The principal part of a loan, i.e. the original amount borrowed.

23. A temporary support erected in a trench or other excavation to support the walls from caving in.

24. The exposed portion of strip shingles defined by cutouts.

29. Usually, a wood member embedded in concrete, as in a floor, that serves to support and to fasten subfloor or flooring.

30. A curve, bend, warping or other deviation from flatness in glass or wood.

32. A thickened preparation of drying oil, or drying oil and resin suitable for spreading on surfaces to form continuous, transparent coatings, or for mixing with pigments to make enamels.

33. An abbreviation for "Certificate of Occupancy."

34. A flat tool used to smooth concrete flatwork immediately after screeding. See Bullfloating.

36. A 10" or 12" diameter hole drilled into the earth and embedded into bedrock 3 - 4 feet. The structural support for a type of foundation wall, porch, patio, monopost, or other structure. Two or more "sticks" of reinforcing bars (rebar) are inserted into and run the full length of the hole and concrete is poured into the caisson hole.

37. Reinforcing bar used to increase the tensile strength of concrete.

38. The application of sealant to a joint, crack or crevice. A compound used for sealing that has minimum joint movement capability; sometimes called low performance sealant.

39. A moisture-resistant thermoplastic conductor that can be used in dry or wet locations, has no outer covering and is not heat-resistant.

46. A new system utilized in the Federal Housing Administration recommended criteria for impact sound insulation.