How to select a lintel

Selecting a Catnic Lintel

...What you need to know

• Step 1: Wall Construction
• Step 2: Structural opening
• Step 3: Load on Lintel
• Step 4: Select your Lintel

Step 1: Wall Construction

What is the wall construction?

• Cavity Wall
• Timber Frame
• External solid wall
• Internal partition or load bearing wall

Step 2: Structural opening

How wide is the structural opening?

1. Measure the size of the structural opening i.e. the open space between the walls where the door/window frame is fitted
2. Add 150mm minimum to each end

 

Step 3: Load on Lintel

What load is to be supported by the lintel?

Types of load include:

• Roof trusses
• Floor joists
• Masonry
• Combination of the above
• If you are unsure of the imposed load, call Catnic Technical Services on: 029 2033 7900

Step 4: Select your Lintel

Once you have:

1. Wall construction
2. Outer leaf e.g. 102mm
3. Cavity e.g. 60mm
4. Inner leaf e.g. 100mm
5. Lintel length e.g. 2100mm
6. Load e.g. 15kN

You can choose what type of lintel to use.