specifications. If your vehicle was originally charged with R12 refrigerant, for example, the oil type specified, 'mineral', will not apply. Additionally, General Motors issues Bulletin # 02-01-39-004B replacing PAG 150 oil with a lower viscocity oil.
The term square in reference to roofing materials refers to 100 square feet of roof area. One square of slate is the amount of slate that it takes to cover 100 square feet of roof area. A 10 foot x 10 foot section of roof would equal one square. So would a 4 foot x 25 foot section. Ditto for a 5 foot x 20 foot.
Alright, letâs start with the basics. First, you have to determine the size of your roof. Roofs are measured in squares. A square in roofing terms is equal to 100 square feet. The average home is approximately 30 squares, meaning that their roof is 3,000 square feet. Here is a simple way to figure out the measurement of your roof.