A 1/4" per foot is standard, therefore in twenty feet the furthest point would be 5" below the high point. You can make it flatter (3 or 4 inch drop) but it would require greater perfection in concrete placement, perhaps beyond reason.
Add your answer:
Related Questions
What should the pitch of your patio cover be if the patio is 20ft by 13ft?
That depends on the roof material. Metal can be as low a 1/12. Fibergglass shingles should be at least 3/12.
How many16x16 inch bricks would you need to cover a 20x20 foot patio?
225 bricks. 16in * 16in = 256 sq. in. 20ft = 240in. 240in * 240 in = 57,600 sq. in. 57,600 sq. in. / 256 sq. in. = 225. 225 bricks is your answer.
How far should you park from an intersection?
20ft
John bought a bag of lawn fertilizer that will cover400 square feet.what are the dimensions of the largest square plot of lawn that the bag of fertilizer will cover?
20ft. x 20ft.
How many 450mm x 450mm slabs will cover the space of 20ft x 20ft?
20 ft= 6096 mm (6096 * 6096) / (450 * 450) = 183.512178 184 slabs
If the floor 20ft and wigdt is 10ft how many square tiles are needed to cover the floor?
The answer will depend on the size of the tiles.
How many yards of concrete will it take to pour a slab 20ft x 20ft x 4 inches thick?
5 yds - One yard of concrete will cover approximately 81 square feet 4" deep.
CBM for 20ft container?
CBM for 20ft container?
What is 20ft subtracted by 10in?
20ft subtracted by 10in = 10
20ft x 20ft into square feet?
400 square feet
How many square foot is 20x20?
If that is 20ft by 20ft then there are 400 square feet
Is 20ft greater than 9yds?
no 9yds is 7ft greater than 20ft
How many yards of concret would i need to cover a 20ft 2 inches by 5ft 3 inches?
That depends on how DEEP you want the concrete !
How many cm makes 20ft?
20ft equals 609.6cm (30.48cm per ft).
How many tons in 20ft container?
abt 21.9 TONS can be carried in a 20ft container.
How many square feet is a room if it is 18ft by 20ft?
18ft*20ft = 360 square feet
How big is a catapult?
about 20ft
How long are annacondas?
20ft
Can a great white shark get bigger then 20ft?
Yes, it is very possible. The largest ones can get larger than 20ft
How much cbm in 20ft container?
To answer this, I have to assume that your container is a perfect cube. 20ft is 6.096m. this to the power of 3 is 226.535m3
How much topsoil to order for a area 20ft by 20ft to a6inches?
A dump truck load of 7.5 yards
What is the digestion of portions?
;) I kind of depends on how much your portion is. Your digestion tube is 20ft. long and btw everybody's is 20ft. long!
How many yards of concrete would it take to cover a 20ft x 20 ft x 4 inches thick?
20 feet x 20 ft x .3333 ft = 133.33 cubic feet / 27 cubic feet per yard = 4.94 cubic yards
How big do hammerheads grow?
20ft
What is the height of Mt Pissis?
20ft
