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.
How much does a bundle of roofing shingles weigh? A bundle of asphalt roofing shingles typically weighs between 60 and 80 pounds, and a bundle of cedar shingles typically weighs between 40 and 80 pounds. Shingles are usually measured by the square, which in roofing terminology is the number of shingles needed to cover 100 square feet. Full Answer >.