Order 2 same lintels, and received 2 different, really disappointed.
Lintel Type : Cavity Lintels
Cavity Width : 50-65mm
Lintel Duty : Standard Duty
Thermally Broken : No
Wide Inner Leaf? No
Catnic
Catnic CG50/100 Standard Duty 50mm Cavity Lintel
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Pickup available at Tipton West Midlands
Usually ready in 4 hours
The Catnic CG50/100 Standard Duty 50mm Cavity Lintel is designed for masonry cavity walls with a 50–65mm cavity, a 100–115mm inner leaf and a 100–102mm outer leaf. Its open-back steel profile allows masonry to be built up continuously on both leaves, while continuous insulation, an integral plaster key and built-in DPC provide additional construction benefits. We supply ten lengths from 900mm to 3600mm, with safe working loads ranging from 15kN to 26kN.
Catnic CG50/100 key features
50–65mm cavity width
Designed for a 100–115mm inner masonry leaf and a 100–102mm outer leaf.
Standard duty loading
Suitable for specified masonry, timber floor and roof loads within Catnic's published loading conditions.
Open-back profile
Allows masonry to be built up continuously on the inner and outer leaves during construction.
Built-in DPC
Incorporates a damp-proof course. Additional DPC may be required in some situations, depending on installation and exposure conditions.
Integral insulation and plaster key
Continuous insulation helps reduce cold bridging, while the integral plaster key assists with plaster finishing.
Duplex corrosion protection
Manufactured from galvanised steel with Catnic's protective black polyester powder coating.
Dimensions and specification
| Manufacturer | Catnic |
|---|---|
| Product code | CG50/100 |
| Lintel type | Standard duty cavity wall lintel |
| Cavity width | 50–65mm |
| Inner leaf | 100–115mm |
| Outer leaf | 100–102mm |
| Lengths available | 900–3600mm, with ten sizes available |
| Nominal height | 136–222mm, depending on length |
| Nominal end bearings | 150mm at each end |
| Safe working load | 15–26kN, depending on length |
| Built-in DPC | Yes. Additional DPC may be required in some situations. |
| Plaster key | Integral |
| Insulation | Continuous insulation |
| Finish | Galvanised steel with black powder coating |
Catnic CG50/100 sizes and safe working loads
The safe working load, height and weight of the CG50/100 depend on the selected length. The table below covers the ten sizes we supply.
| Length | SWL | Weight | Height |
|---|---|---|---|
| 900mm | 15kN | 5.49kg | 136mm |
| 1200mm | 15kN | 7.32kg | 136mm |
| 1500mm | 15kN | 9.06kg | 136mm |
| 1800mm | 18kN | 13.99kg | 136mm |
| 2100mm | 20kN | 17.08kg | 156mm |
| 2400mm | 22kN | 21.24kg | 180mm |
| 2700mm | 26kN | 27.28kg | 220mm |
| 3000mm | 26kN | 37.71kg | 222mm |
| 3300mm | 26kN | 41.45kg | 222mm |
| 3600mm | 26kN | 45.18kg | 222mm |
Where to use a Catnic CG50/100 lintel
The CG50/100 is designed for openings in standard duty cavity wall construction with a 50–65mm cavity. It can support specified masonry, timber floor and roof loads, including triangulated masonry loading, where the selected lintel's capacity is sufficient.
Its open-back construction allows masonry to be built continuously on both leaves and is suitable for fair-faced inner leaf masonry.
Choosing the correct lintel length
Catnic's loading figures are based on nominal 150mm end bearings at each end. The required lintel length is therefore normally determined by adding 300mm to the clear structural opening width.
For example, a 1200mm structural opening would normally require a 1500mm lintel, allowing 150mm bearing on each side. Check the safe working load for your chosen length before ordering.
Installation considerations
Check the cavity width, masonry leaf dimensions and supporting wall construction before installation. Follow Catnic's current installation guidance and the project structural design, including any requirements for temporary support and additional damp-proofing.
Related Catnic cavity lintels
For wider cavities, compare our Catnic CG90/100 Standard Duty Cavity Lintel, designed for 90–105mm cavities.
Browse our cavity lintels and Catnic lintels for alternative sizes and loading requirements.
Technical downloads
Frequently asked questions
What cavity width is the Catnic CG50/100 designed for?
The CG50/100 is designed for 50–65mm cavities, with a 100–115mm inner masonry leaf and a 100–102mm outer leaf.
What lengths of Catnic CG50/100 are available?
We supply ten lengths from 900mm to 3600mm. Choose the size you need from the options above.
What safe working load can the CG50/100 support?
The safe working load depends on length, ranging from 15kN for 900–1500mm lintels to 26kN for 2700–3600mm lintels. The full ratings are shown in the table above.
Does the Catnic CG50/100 have a built-in DPC?
Yes. The CG50/100 incorporates a built-in damp-proof course. Additional DPC may be required in some situations, depending on the installation and exposure conditions.
Does the CG50/100 have an integral plaster key?
Yes. The CG50/100 incorporates an integral plaster key to assist plaster finishing.
Can the CG50/100 support timber floor and roof loads?
Yes, where the specified loading conditions are satisfied. The selected lintel must have sufficient capacity for the actual structural loads and opening.
Estimate shipping
Customer Reviews
Overall rating: 4.5 / 5 from 16 reviews.
Hard to get hold of because of size. So brilliant
Delivered when they said . Right product , all good, fitted next day
The purchase was very good and smooth and it was delivered when they said
Really good service
Very good service excellent communication and item arrived exactly when it was supposed to. Thank you very much
Great 👍🏼
Excellent Service, delivered quickly and professionally. Good item will be using it soon
A1
a1
Love the lintel.. delivery leaves room for improvement.. Expected an email , or tracking update to say goods had been shipped, that didn't happen..however van turned up unexpectedly . Luckily have guys on site who took delivery..
Great price and service
Catnic CG50/100 | 50mm Standard Duty Cavity Wall Lintel
Store owner replied: Hi Jas, Thank you for leaving us a Five Star Review on our Website. It helps our Community and is appreciated. I am delighted to hear you are happy with your Catnic CG50 100 Cavity Lintel. We hope you visit us again, and please do not hesitate to contact me if we can help with anything else. Kind regards Neil Thompson Sales & Operations Manager Wade Building Supplies
Excellent helpful customer service not used product yet as waiting for go ahead from planning
Catnic CG50/100 | 50mm Standard Duty Cavity Wall Lintel
Store owner replied: Hi Carol Thank you for leaving us a review on our Website. It helps our Community and is appreciated. I am delighted to hear you are happy with your Catnic CG50 Cavity Wall Lintel and our Customer Service Team. We hope you visit us again, and please do not hesitate to contact us if we can help with anything else. Kind regards Neil Thompson Sales & Operations Manager Wade Building Supplies
Great price fast delivery quality product very pleased
Catnic CG50/100 | 50mm Standard Duty Cavity Wall Lintel
Store owner replied: Hi Andrew Thank you for leaving us a Five Star Service Review. It helps our Community and is appreciated. I am delighted to hear you are happy with your Catnic CG50/100, our Competitive Prices and Fast Delivery. We hope you revisit us for your Lintels, and please do not hesitate to contact us if we can help with anything else. Kind regards Neil Thompson Sales & Operations Manager Wade Building Supplies
Good price and everything went smoothly.
Catnic CG50/100 | 50mm Standard Duty Cavity Wall Lintel
Store owner replied: Hi Nachi, Thank you for taking the time to leave us a Five Star Review. Your review is valuable to our Community and is appreciated. I am delighted you are happy with your Catnic CG50/100 Cavity Wall Lintel, and your order went Smoothly. If we can help with anything in the future, please do not hesitate to revisit our Website or contact us if we can help with anything else. Kind regards Neil Thompson Sales & Operations Manager Wade Building Supplies
Very helpful people to deal with. Have used twice and will use again when in need.
Catnic CG50/100 | 50mm Standard Duty Cavity Wall Lintel
Store owner replied: Hi Roger, Thank you for your review. It helps our Community and is appreciated. I am delighted to hear the Wade Building Supplies Team met your expectations. Please do not hesitate to contact us again if we can help with anything else. Kind regards Neil Thompson Sales & Operations Manager Wade Building Supplies
trade with wade
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