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Q: Can a concrete slab 48inx68inx4in be raised up inch on the corner with a 4x4 post?
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How much a 12 inch by12 inch concrete block weigh?

Where are 12 inch concrete blocks applied?


What other shapes do you get if you divide a four inch by eight inch rectangle from corner to corner?

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What is the height of a 10 inch tv when the width is 8 inch?

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How thick a concrete wall would be needed to give the same insulating value as 3 and a half inches of fiberglass?

Poured concrete has an R value of about 0.08/inch. Fiberglass batt has an R value of about 3.14/inch (blown fiberglass wall insulation is about 3.2/inch). From these values we can calculate that the equivalent insulating thickness of concrete would be about 3.5x3.14/0.08 = 137.4 inches. Note that concrete blocks have a somewhat better insulating value due to the incorporated air pockets. A 4" concrete block has an R value of about 0.2/inch An 8" concrete block has an R value of about 0.15/inch A 12" concrete block has an R value of about 0.1/inch


How many pounds per square inch does concrete exert on a concrete form?

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Normal Weight Concrete at 150 pcf has an R value of 1.22 per inch thickness


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How big is a baseball base from corner to corner?

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