Twenty four-inch long, No. 2 taper-sawn wood shakes of naturally durable wood installed on a roof slope of 4:12 or greater shall have a MAXIMUM exposure of

Rationale

Twenty four-inch long, No. 2 taper-sawn wood shakes shall have a MAXIMUM exposure of 7 1/2 inches.

According to building codes, when installing 24-inch long, No. 2 taper-sawn wood shakes on a roof slope of 4:12 or greater, the maximum exposure allowed is 7 1/2 inches to ensure proper water shedding and structural integrity.

A (5 1/2 inches.) YOUR ANSWER

This exposure is too small for 24-inch long wood shakes. While a smaller exposure may provide extra water protection, it does not adhere to standard guidelines for proper installation of this type of roofing material, which specifies a greater exposure for optimal performance.

B (7 1/2 inches.) CORRECT

This choice correctly reflects the maximum exposure allowed for 24-inch long, No. 2 taper-sawn wood shakes installed on a roof with a slope of 4:12 or greater. This specification ensures that the shakes overlap sufficiently to provide effective waterproofing while allowing for expansion and contraction of the wood.

C (8 inches.) YOUR ANSWER

An exposure of 8 inches exceeds the maximum limit set by building codes for this type of roofing material. Such an exposure could compromise the roof's ability to shed water effectively, increasing the risk of leaks and structural damage over time.

D (10 inches.) YOUR ANSWER

This option significantly exceeds the maximum exposure guidelines for 24-inch long wood shakes. A 10-inch exposure would not provide adequate overlap, thereby increasing the likelihood of water infiltration and potential damage to the underlying structure.

Conclusion

The correct maximum exposure of 7 1/2 inches for 24-inch long, No. 2 taper-sawn wood shakes ensures that the roofing system remains effective at shedding water while maintaining structural integrity. Exceeding this exposure can lead to increased risks of water damage, while a smaller exposure is not necessary and does not align with the established standards. Proper adherence to these guidelines is crucial for the longevity and performance of roofing installations.

Twenty four-inch long, No. 2 taper-sawn wood shakes of naturally durable wood installed on a roof slope of 4:12 or greater shall have a MAXIMUM exposure of

Twenty four-inch long, No. 2 taper-sawn wood shakes shall have a MAXIMUM exposure of 7 1/2 inches.

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