Traditionally building felt was designated as either 15-lb or 30-lb, referring t

Question

Traditionally building felt was designated as either 15-lb or 30-lb, referring to the weight of material used to cover 100sq. ft. of roof area. T or F Unventilated roof assemblies nun a higher risk of entrapment of condensed moisture within the roof construction than ventilated assemblies. Tor F Windows and door do not require flashings around there components to prevent moisture from seeping in gaps around the edges. Tor F Nominal brick sizes are greater than the actual brick sizes. T or F Level 5 taping is the least expensive method for finishing a drywall wall. Tor F The greater the R-Value an insulation has, the greater the insulating capabilities it has. T or F Type K mortar has a higher flexural strength than type S mortar? T or F Air barriers control the leakage of air through the building enclosure. They significantly increase building energy consumption. Tor F It is not necessary to install water proofing in masonry? Tor F Architectural woodwork are customarily made of hardwoods such as Red and White Oak, Cherry, or Walnut. Tor F Concrete needs to be installed with control joints or it will crack freely. T or F It is not necessary to keep the cavities free of mortar during construction since it helps the bond to inner layers ma T or F Stairways typically have 7" of rise to 11" run for most treads in stairwells. Tor F Joint sealants do not help protect against moisture from entering the buckling enclosure. T or F It is not necessary to place control joints at window and door openings? Tor F 1) Millwork is manufactured and delivered to the building site at very low moisture content typically? a) 10% b) 20%

Explanation / Answer

1. True : though the it may be less then that too.

2. True: the moisture usually gets codensed on thisdue to low tempreature.

3. False: Flashing prootects doors and windows from moisture content.

4. False: Normal brick sizes are less the actual bick sizes.

5. True: above statement is true.

6. True.

7. True.

8. True.

9. True. because masonry itself is a waterfproofing

10. True. Architetural wood works are generallymade up of sandal wood.

11. True: control joints restrct the cracks in concrete.

12. False: it is necesssary to keep caviies in mortar.

13. False : stairs usuall have 7.5 inches rise & 9 inches run

14. False: Joint sealent donot allow the moisture to enter in the bulking enclosure.

15. False : it is necessary to provide control joints at window and door openings.

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