Due to the variety of door sizes and weights hinges are placed into three groups.
How many hinges to use on a door.
How many hinges do i need to purchase.
For use on medium weight doors of medium frequency usage.
Doors over 60 inches but not over 90 inches need to use 3 hinges.
I have 2 different cabinet doors and am not sure how many hinges to use for it to be safe.
I was going off weight as the shaker door is tall but light under 20 lbs but i guess you read the chart as under 20 lbs.
For use on light weight doors of low frequency usage.
They can handle heavier doors than some other hinges.
The other measures 33 3 4 x 42 1 4 with a weight of 30 lbs.
Heavy weight ball bearing 5 knuckle or anti friction bearing 3 knuckle.
For euro style concealed hinges use the chart at right to calculate how many hinges you ll need for a given door height and weight.
If a door is 40 to 60 in 101 6 to 152 4 cm high you should use 3 hinges to keep it stable.
If using two hinges or over 36 tall use three.
Doors up to 60 inches need 2 hinges.
Standard weight plain bearing.
And because you can open pivot hinged doors with a push they re an excellent choice in restaurants and homes for doorways between the kitchen and dining room.
Doors over 90 inches but not over 120 inches 4 hinges are recommended.
Pivot hinges are installed at the top and bottom of a door allowing it to swing from a single point.
Refer to the specifications that came with your hinges to determine how many spring hinges you need.
One door measures 19 3 4 x 42 1 4 with a weight of 17 lbs.
Standard weight ball bearing.
Many hinges per door.
Two hinges are enough for many average size doors.
As a general rule you will want to use 1 hinge per every 30 inches of door or fraction thereof.
Once you have determined how many interior and exterior doors you have along with the types and sizes of hinges you need for every door you are ready to go shopping.
If you re using hinges that are smaller than 4 inches use one spring hinge on doors.
Referring to door height.
Now that you are educated on the hinge sizes hole patterns and types of hinges for residential use you need to start counting your doors.
But if you re working with an especially large or heavy door you might need more to ensure you get the performance and durability you expect.