Use in foundations or above grade masonry walls.
Concrete lintel cavity wall.
Hi i m currently in the planning stage of changing my back door to a double french door the current lintel is a steel cavity lintel for both inner and outer walls.
Cavity wall lintels are designed for use when two layers of bricks and blocks or skins are used to construct a space or cavity between the structure.
To begin using the lintel selector below please select from the four categories named.
Cavity wall lintels are designed for use when two layers of bricks and blocks or skins are used to construct a space or cavity between the structure the in built foam or polystyrene insulation helps to retain warmth through insulation and reduces condensation.
What is the load ratio between the inner and outer leaves of the cavity wall.
Wall type lintel type cavity and lintel load.
Outer wall 100mm cavity 85mm inner breeze block wall 115mm.
For construction of concrete foundations or above grade masonry walls.
For a stock brick cavity wall a combination of a 110 x 75 mm and a 150 mm x 75 mm side by side are used.
A 140 block is generally used in conjunction with a 140 x 90mm lintel.
A 1200mm x 1200mm window opening is directly above the proposed wall opening.
The lintels listed in this table are designed for cavities 95mm to 105mm wide.
For cavity widths 90 105mm.
Cavity wall lintels a complete range of cavity sizes are available including thin joint lintels 50mm 75mm 100mm standard medium and heavy duty applications 01373 858 663 customer services.
Our key suppliers are birtley steel lintels and keystone lintels.
They are dimensionally true and uniform in shape color and texture.
Once you have chosen the correct lintel for your project it is crucial that the lintel be installed properly if it is not it could lead to serious issues.
A maxi brick is generally used in conjunction with a 110 x 75 mm lintel.
The wall dimensions are.
Having trouble using the selector.
How to interpret the load tables.
Please refer to our selecting the correct lintel page here.
Uniform in shape color and texture.
The in built foam or polystyrene insulation helps to retain warmth through insulation and reduces condensation.
Would i be ok to swap this to a concrete for the inner wall and steel for the outer wall which would be a lot easier to put in as i would have to knock out more bricks to get the.
The first floor joists run parallel with the external wall therefore will not sit on the proposed lintel.