How to interpret the load tables.
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.
The in built foam or polystyrene insulation helps to retain warmth through insulation and reduces condensation.
To begin using the lintel selector below please select from the four categories named.
What is the load ratio between the inner and outer leaves of the cavity wall.
A maxi brick is generally used in conjunction with a 110 x 75 mm lintel.
Wall type lintel type cavity and lintel load.
They are dimensionally true and uniform in shape color and texture.
The first floor joists run parallel with the external wall therefore will not sit on the proposed lintel.
Our key suppliers are birtley steel lintels and keystone lintels.
Please refer to our selecting the correct lintel page here.
A 1200mm x 1200mm window opening is directly above the proposed wall opening.
Having trouble using the selector.
The wall dimensions are.
A 140 block is generally used in conjunction with a 140 x 90mm lintel.
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 stock brick cavity wall a combination of a 110 x 75 mm and a 150 mm x 75 mm side by side are used.
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.
For construction of concrete foundations or above grade masonry 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 the in built foam or polystyrene insulation helps to retain warmth through insulation and reduces condensation.
Outer wall 100mm cavity 85mm inner breeze block wall 115mm.
The lintels listed in this table are designed for cavities 95mm to 105mm wide.
Concrete lintel meets astm c 90 specifications.
Use in foundations or above grade masonry walls.
For a single stock brick wall a 110 x 75 mm lintel is usually used.
For cavity widths 90 105mm.