What is the longest Catnic lintel? Standard lengths are available in increments of 150mm at lengths up to 3000mm, 300mm at lengths from 3000mm - 4800mm (including 4575 but excluding 4500mm). Click to see full answer. Subsequently, one may also ask, what size Catnic lintel do I need?
What is a Catnic lintel?
Menu Search. Catnic has pioneered the steel lintel for five generations, our products are manufactured with a unique duplex corrosion protection system, an integral plaster key and built-in damp proof course with continuous insulation making them the most unique lintel on the market.
What is the weight of a lintel?
This first load span table is for a standard 50mm cavity lintel. The second table is for a 50mm composite extra heavy duty (CXHD) lintel. Let’s assume you need a 900mm lintel, you would look at the details of the first column of each of the two tables. A 900mm SL50 has a height of 95mm, and weighs 6.2kg per metre.
What size lintel do I need for a clear span?
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. The R15 is a popular concrete product; here you can see the load table values up to a length of 1800mm.
Are your lintels CE marked?
These products are CE marked, and in order to obtain this accreditation, lintels are subject to the most stringent tests under the Construction Products Regulation (CPR). This means they are independently tested. The values in our own tables have been independently verified by a third party.
Do Catnic lintels need DPC?
Four: Protecting the lintel It is a National House Building Council (NHBC) requirement to apply a damp proof course (DPC) over each lintel to protect it. Many Catnic lintels feature a Duplex Corrosion Protection coating and a unique profile shape that acts as a built-in DPC.
How much should a Catnic lintel overhang?
Lintel position within a cavity wall Masonry should not overhang any flange by more than 25mm.
How do you calculate Catnic lintel?
The length of lintel required is calculated by establishing the total width of the structural opening and adding 150mm (200mm for CXL lintels) end bearing allowance for each end. For example, an 1800mm structural opening will require a 2100mm lintel (2200mm for CXL).
How long does a lintel need to be?
Lintels generally require a nominal minimum end bearing of 150mm at both ends, meaning the total lintel length is the span of the opening plus 300mm. On top of that, there are other things to be aware of during installation to ensure the lintel is correctly supported and able to do the job expected of it.
How big can a lintel be?
SOLID WALL BOX LINTELS Box lintels are available in two options to support 100mm wide walls with lengths from 1200mm to 3600mm, and 200-215mm wide walls with lengths from 1200mm to 4800mm.
What sizes do lintels come in?
Concrete lintels are available in a range of lengths including: 600mm, 900mm, 1200mm, 1350mm, 1500mm and 1800mm.
How far can a steel lintel span?
Most building codes permit steel angle lintels to be used for openings up to 8 ft 0 in. (2.4 m). Openings larger than this are usually required to have fire protected lintels.
How far can a concrete lintel span?
For spans greater than 1200mm, lintels should be adequately propped during construction at a maximum of 1200mm centres.
Which type of lintel is used for higher spans?
Reinforced Concrete LintelReinforced Concrete Lintel They are suitable for heavy loads and larger spans. Their thickness is kept around up to 8 centimeters for every meter. RCC lintels can be either precast or cast-in-situ.
Do I need building regs for a lintel?
but normally under normal or usual conditions to many people do not apply, but for the peace and safety reason , as a rule I would say YES, alterations of a structural nature require Building Control approval. Generally, the installation of a beam or lintel is required.
Can joist rest on lintel?
Where a lintel supports rafters, floor or ceiling joists, it's known as a 'uniformly distributed load' or 'UDL', and these can be safely supported by a concrete or steel lintel without too much concern because the weight is distributed along the length of the beam.
Can you cut a Catnic lintel?
wardoss New Member. Some of the heavy duty Catnic Lintels cannot be cut as they have reinforced end which provide the additional strength.
What does SWL mean in a lintel?
SWL – This means Safe Working Load , but can also be referred to as Serviceable Working Load. This value is the load in kiloNewtons (kN) and simply means the load that this particular lintel can safely bear. RM – This means Resistance Moment.
What is clear span?
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. The R15 is a popular concrete product; here you can see the load table values up to a length of 1800mm. R15 140 x 100.
Do lintels need to be CE marked?
Lintels are independently tested. The first point we need to make is that the load span tables in this post are based on our own products. These products are CE marked, and in order to obtain this accreditation, lintels are subject to the most stringent tests under the Construction Products Regulation (CPR).
Is a load span table easy to understand?
Load span tables can be difficult to interpret, but Stressline’s technical team are on hand to help. We often assume that the load span tables featured in our lintel guide are easy to understand, which for those with knowledge; probably are. However, for anyone starting out in the industry, getting to grips with interpreting ...
