Concrete lintels usually have steel rods running the length of the beam to increase their strength under tension.
Lintel flat roof.
The inner lintel was made of timber in older buildings.
The load on a lintel comes from.
I have some pdf drawings of the house if this assists.
You can buy pre stressed concrete lintels which are significantly lighter than standard concrete.
The internal timber lintels above the window are known as safe lintels.
Overflowing gutterjohn gilbertshading shows damp affecting lintels and roof timbers.
The ends of timber lintels are very prone to rot if the wall gets wet perhaps through gutters overflowing.
The width of lintel beam is equal to the width of wall and the ends of it is built into the wall.
As standard our steel lintels increase in length by 150mm the two values represent the length of the lintel that the values in that column relate to.
Cost effectiveness saves on building cost as dyntek lintels are cheaper.
The roof of the house above is traditional pitched and hipped cut timber frame with double lap rosemary type plain clay roof tiles.
This type of concrete lintel is suitable for longer spans than the standard type where the weight would make them difficult to handle.
Residential use commercial use industrial use.
Fastwall lintels are designed for use with midland bricks 90mm wide 3series utility bricks.
Open back and open back returned lintels are most common for cavity walls and suitable for standard duty through to extra heavy loading conditions including direct roof and attic truss loading.
It can be a decorative architectural element or a combined ornamented structural item.
Nominal height the height of the lintel in mm.
Lintels are classified based on their material of construction.
A lintel or lintol is a structural horizontal block that spans the space or opening between two vertical supports.
If it is 600 1200 it means the load span details can be applied to any lintel between 600mm and 1200mm.
The roof load bears onto the inner leaf of the cavity wall.
The timber first floor will be supported on the lintel and the floor span is 3300mm.
It is often found over portals doors windows and fireplaces.