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BECOSTOP
This permanent stop-end system provides full continuity of reinforcement for the installation of construction joints. BECOSTOP allows consecutive bays to be poured on consecutive days, which could deliver a four or five-day advantage when casting deep reinforced slabs.
It comes to site ready to install, with a full temporary works design provided, including structural design and CAT checks. The strength and consistency of the construction joints are key benefits of BECOSTOP, which also ensures that the diameter of the reinforcement steel does not need to be increased.
The steel BECOSTOP panels utilise a unique trapezoidal profile which allows for full 100% bearing capacity according to EC2. The design limits the flow of concrete, which significantly reduces the pressure on these stop-end units and requires a lower concrete pour pressure, which in some cases can be reduced by 50%.
BECOSTOP avoids the risk of leaving a day joint with a low bearing capacity when multiple pours are needed. Whilst poor joints can compromise the structural integrity of the concrete, those formed without remedial work to create a stronger bond, reduce the slab’s durability and increase the risk of water ingress, which can lead to the corrosion of the reinforcement steel.
The BECOSTOP panels are fixed to the rebar cage using inexpensive tying wire and the skills of site labourers, with no extra supports needed for the panels, which self-support up to 1.5m. But what about waterproofing the structure? This is where CEMflex leads the way.
CEMflex
CEMflex is one of the most highly effective and innovative waterproofing systems on the market, designed for sealing vertical and horizontal joints in concrete structures, providing a physical and chemical barrier, with an unlimited sealing capacity.
The system can be easily assembled together with the reinforcement or simply put into fresh concrete, easily bent or cut to suit the needs of the project. Installation of CEMflex is quicker too, as overlaps are simply fixed together with a clip, removing the need to bond or weld them.
CEMflex ensures that concrete structures, foundation slabs and tunnels are completely waterproof. It functions as an active and passive barrier for the transmission of water at the construction joint, with a life expectancy of 100 years.
The 2m-long steel plates of CEMflex are coated with a unique product that on closer inspection has a rough surface that takes the surface area from approximately 1m to 100m to significantly increase the quality of the bond to the concrete.
This unique coating crystallises on contact with the wet concrete and expands into every crack and every pore during the drying process to provide a long-lasting waterproof seal – it can be left uncovered overnight without any adverse reaction, unlike some simple bentonite products .
Backed by rigorous testing and a track record of success, our clients trust CEMflex for its reliable performance and genuine adaptability. This combination allows for on-site customisation to meet the specific waterproofing demands of any concrete structure.
CEMflex not only helps streamline any installation, but the associated reduction in labour costs, makes it a cost-effective choice without compromising quality. Choosing CEMflex ensures concrete structures are shielded against water intrusion, which increases their longevity.
Good on their own but great when combined
Both BECOSTOP and CEMflex were developed independently of each other to address different issues. BECOSTOP was designed to provide project managers with a modern, more cost-effective alternative to outdated timber shuttering and shoring for pouring concrete slabs.
Recognising the need to waterproof joints to prevent water ingress through concrete and the more expensive, harder to fit and outdated products available, CEMflex was developed to work in tandem with BECOSTOP to deliver the quickest, most efficient method to waterproof concrete structures.
BECOSTOP and CEMflex can both be fitted successfully by site labourers, without the need for specialist skills or tools, which makes for a more cost-effective solution.
No special preparation is required and no welding or additional protection tapes are needed to form an effective joint. Corners and wall intersections are easily formed by hand, thanks to the high malleability of CEMflex and with the crystallisation coating all around the plate, it is easy to install the plates correctly.
Specifying BECOSTOP is already saving time on site for many contractors and including CEMflex as the waterproofing solution will bring down the required time from preparation to successful pour even further. After all, time saved is money saved.
It is time the industry considered concrete pouring and waterproofing as a single solution, made easier with complementary products that are easy to install, bring quality to every installation and make the process more efficient.
BECOSTOP and CEMflex are fit-and-forget products that offer genuine peace of mind for project managers and installers working on large concrete pours. Such quality might cost more initially, but when installation and remedial costs are considered this winning combination will save a fortune over the life of a project.