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.
Concrete lintel cavity wall.
A 1200mm x 1200mm window opening is directly above the proposed wall opening.
Our key suppliers are birtley steel lintels and keystone lintels.
The wall dimensions are.
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.
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.
Use in foundations or above grade masonry walls.
How to interpret the load tables.
Uniform in shape color and texture.
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.
For construction of concrete foundations or above grade masonry walls.
Outer wall 100mm cavity 85mm inner breeze block wall 115mm.
Concrete lintel meets astm c 90 specifications.
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.
The first floor joists run parallel with the external wall therefore will not sit on the proposed lintel.
The lintels listed in this table are designed for cavities 95mm to 105mm wide.
Square concrete block with no large chips or breaks.
For a single stock brick wall a 110 x 75 mm lintel is usually used.
Please refer to our selecting the correct lintel page here.
A 140 block is generally used in conjunction with a 140 x 90mm lintel.
They are dimensionally true and uniform in shape color and texture.
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.
A maxi brick is generally used in conjunction with a 110 x 75 mm lintel.
Having trouble using the selector.
To begin using the lintel selector below please select from the four categories named.
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.
What is the load ratio between the inner and outer leaves of the cavity wall.
