A 140 block is generally used in conjunction with a 140 x 90mm lintel.
Concrete lintel cavity wall.
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.
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.
Please refer to our selecting the correct lintel page here.
Square concrete block with no large chips or breaks.
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.
Having trouble using the selector.
Outer wall 100mm cavity 85mm inner breeze block wall 115mm.
A 1200mm x 1200mm window opening is directly above the proposed wall opening.
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.
For a single stock brick wall a 110 x 75 mm lintel is usually used.
A maxi brick is generally used in conjunction with a 110 x 75 mm lintel.
The in built foam or polystyrene insulation helps to retain warmth through insulation and reduces condensation.
Concrete lintel meets astm c 90 specifications.
The lintels listed in this table are designed for cavities 95mm to 105mm wide.
Wall type lintel type cavity and lintel load.
To begin using the lintel selector below please select from the four categories named.
For cavity widths 90 105mm.
What is the load ratio between the inner and outer leaves of the cavity wall.
For construction of concrete foundations or above grade masonry walls.
They are dimensionally true and 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.
The wall dimensions are.
Use in foundations or above grade masonry walls.
Uniform in shape color and texture.
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.
