Information You'll Need To Know:
- What area is to be lighted?
- (This will determine which unit will be needed.) 10" - up to 150 sq. ft.
14" - up to 250 sq. ft.
- What is the roof type (shingle, tile, flat)?
- (This will determine which flashing to include.)
- Is there attic access?
- (You cannot install lighted or vented units without attic access.)
- What is the attic height (distance from roof hole to ceiling hole)?
- (You will need to know this to determine how many extension tubes are needed. Please refer to reference guide below.)