Corefix AIR Heavy Duty Dot & Dab Wall Fixing for Flat Screen TVs, Radiators, Boilers, Wall Cabinets & Shelving | 4 Pack

Product Information

There are some additional workarounds possible though - adding something to transfer the clamping force required to the masonry behind so that the screw doesn't deflect downwards under the load of the mounted item and the board doesn't deflect towards the wall due to the clamping force. And I might want a bit of overhead on my fixing, so it’s getting on for an 80mm long fixing and 85mm deep hole. Cobra wall anchors are the leading manufacturer of wall fixings in North America and Canada and are exclusively distributed in the UK by Metex. Its unique steel core transfers the load to the blockwork behind the plasterboard, preventing the plasterboard from crushing into the void. Corefix has been independently tested to a load of 100kg and has been in-house tested and proven to safely support over 200kg!

Push the plug in to check if fits, you can used a screw to pull it out if you need to do further drilling to achieve the right depth. Simply drill the hole through the plasterboard and into the solid wall behind, ensuring the total depth is a minimum of 100mm, remove any dust or debris from the hole before gently tapping the Corefix plug into place until the flange sits against the plasterboard.When you are happy the plug is secure, either with or without grab adhesive (your decision), tap home the tube and attach your fitting with the screw. The hole needs to be drilled quite deep and getting that depth is a bit marginal with standard drill bits. I've used appropriate lengths of 15mm copper pipe or, for heavier loads such as large radiators, slices of a broom handle (with a hole drilled through the centre) to do this and it works perfectly fine.

Corefix is ideal for use with a range of solid wall constructions, including blockwork, brick, stone and concrete.

Corefix solves this problem by securing the load to the solid wall behind, and not to the plasterboard, so unlike traditional frame fixings won’t deform or crush the plasterboard into the void.

Use the drill to create a hole, hammer in the wall plugs and steel core, and secure the screw with a screwdriver to complete the installation. You can change your choices at any time by visiting Cookie preferences, as described in the Cookie notice. I only used them on medium weight items, not on rads/boilers yet, but I’m sure they’ll be up to the job. In drylined wall construction the plasterboard is selectively supported, resulting in a void behind the majority of the plasterboard. The screw is 120mm long and 5mm across the maximum diameter of the threads with the head maximum diameter being 10mm.The steel core in this plasterboard fixing transfers the load from the board to the solid blockwork or masonry material behind and whilst other frame fixings claim to perform the same role these can severely distort and bow the plasterboard. Most traditional fasteners used for dot and dab walls impart a point loading on the plasterboard, which, when the screw is tightened, crushes the plasterboard into the void, potentially damaging the wall finish and visually distorting the wall. Metex have removed the guesswork from choosing a fixing by offering a ‘fixing or hook for every application’. To give you more peace of mind, Corefix has been independently tested to 100kg loading and has safely held 250kg in our own internal tests.

I saw the video reviews done by Gosforth Handyman and knew that Corefix were the best fittings for the job. This is what prevents the load can severely distorting or crushing the plasterboard into the void – which is what is likely to happen over time with the other inferior fixings. Corefix is part of the Metex range of innovate products designed for the construction and pest control sectors. Developed with installation speed in mind, each three part set can be fitted in less than a minute with no specialist tools required.To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. These wall plugs are versatile enough to use for a variety of applications and fixtures, including wall-mounted TVs, cabinets, shelving, sinks, radiators, and more. Once a boiler is on the wall I always test my fixings by giving a little pull to ensure it has held solidly.