What is the minimum overhang for a lintel?
Lintels should be installed with a minimum end bearing of 150mm at each end, and should be levelled and fully bedded on bricklaying mortar. Masonry may overhang the supporting lintel by a maximum of 25mm.
How much can a brick overhang a lintel?
Brickwork or masonry should not overhang the lintel by more than 25mm.
Do I need building regs for a lintel?
Yes, if the alterations are of a structural nature. The insertion of a beam or lintel which affects the structural stability of the building will also require approval.
Do I need a lintel above door?
Lintels are required for all openings over timber frames greater than 600mm in width, & for all openings over steel frames greater than 900mm.
Can you drill into a lintel?
When drilling into a concrete lintel, you should start with the smallest drill bit for masonry you have in your set. A drill bit of 3mm is a good place to start, and you can then work up from there to get the size of hole you need. When it comes to concrete, the smaller the drill bit, the easier it will penetrate.
How much does a concrete lintel have to sit on?
Clear span is very simply the length of the opening. If you have a clear span of 1200mm, you will need a 1500mm length lintel to accommodate the required 150mm span on each side of the opening.
How much should a Catnic lintel overhang?
150mm minimum for all lintels.
How many courses of bricks are above lintel?
Lintel consist of at least three courses of bricks bonded with mortar.
Do lintels need fire protection?
The manufacturers requirements for the propping of lintel during construction must be followed, at all times. Masonry should be carefully built with solidly filled joints. Exposed faces of lintels must be provided with fire protection. Avoid point loads immediately above a lintel unless proven by a structural engineer.
Do I need a structural engineer for a lintel?
you do not initially need a structural engineer and the costs that this incurs. i always on every opening up to approx 5m span that is loadbearing use a service provided by catnic. you need to ensure that the wall is either loadbearing or not. a good builder or architect will assist quite cheaply to let you know.
Is it good practice to put lintels on solid walls?
With solid walls it is good practice to use a lintel where insulation can be installed to avoid condensation. All lintels should have a suitable bearing onto the wall at each side of the opening. It is best to consult with the manufacturer or an engineer for the correct size lintel and bearing.
Do you need a bearing for a lintel?
All lintels should have a suitable bearing onto the wall at each side of the opening. It is best to consult with the manufacturer or an engineer for the correct size lintel and bearing. This is an introductory guide and is not a definitive source of legal information. This guidance relates to the planning regime for England.
How big should a MiniMUN be for a lintel?
150mm minimum for all lintels. More if possible. I agree with kaintheo, Regs changed about 6-8 years ago now to a minimun of 150mm for all openings. It goes to 200mm bearing on log lintel spans, 2700mm or 3000mm can’t remember which one. That’s long lintels not timber ones.
Can a lintel be shown to a building inspector?
The proof (shown to the Building Inspector of your local councils Building Control Department) can be provided by you, your architect or even the company supplying the lintel but this is why the Building Regulations are in place, to keep you safe against using an insubstantial product in your home.