Inter-Island Propane LLC
Locally Owned & Family Operated Since 2016
Mail: PO Box 2299
Friday Harbor, WA 98250
CALL NOW: 360-378-1025
Frequently Asked Questions
Inter Island Propane Vs Electricity
Propane Safety Brochures
Tank Sizes & Specs
Barge Contact Form
A list of tank sizes for our most popular Above Ground Tanks.
For Tank set distances from buildings, see the spec sheet below
Where did it go?
Excavation Sizes: 1000 UG: 19' X 5' X 65" and 500 UG: 12' X 5' X 65"
For Tank distance requirements see Tank specs below.
Here For You
Here is the Chart from the National Fire Protections Agency (NFPA 58) For tank installation distances. Call our office if you have questions!
Here is the Chart from the National Fire Protections Agency (NFPA 58) For tank installation distances under decks and a vaporization chart for maximun BTU output for tank sizes.