A typical wood frame floor covered with carpet or vinyl flooring has a dead load of about 8 pounds per square foot.
Show slow half inch per foot show floor.
It does not mean that a 300 lb.
The recommended slope for flat roofs is usually 1 1 8 inch per foot or 2 1 4 inch per foot according to the professional handbook of building construction published by john wiley sons new york.
Nearly all will say that if a floor slopes 1 and 1 2 inches in twenty feet or more that there should be further investigation.
Floors that slope 2 or 3 inches in 20 feet would be a very serious concern.
This may seem light but this is 50 pounds over each and every square foot of floor space.
For example if the room is 10 feet long and 12 feet wide and each square represents 1 square foot draw a square on grid paper that is 10 squares long and 12 squares wide.
If there s wall board covered ceiling suspended from the underside of that floor the dead load increases to about 10 pounds per square foot.
A 2 slope will probably ensure better drainage we could also find no slope tolerance for use when a floor slope is specified.
Shower floor slope to efficiently drain the recommended minimum slope for a shower floor is about 4 percent or a 1 2 inch drop per every 12 inches from the shower walls to the drain.
Basically they are saying if a floor is sloping over a 1 2 to 1 inch in twenty feet then there is concern.
Lineman standing on one leg will fall through the floor.