![]() ![]() USP’s of Ubbink’s Tubpla® Airtight ventilation ductwork: Not only is this system air tight by definition, it is also much easier and quicker to install because it uses mechanically sealed connections, which can be connected in seconds without using tapes or sealants. Ubbink has risen to the challenge by developing its Tubpla® Airtight rigid ventilation ductwork. The next step is the ventilation ductwork because high pressure loss and air leakage in air distribution systems means that ventilation units will have to work harder than is necessary to ensure that enough air is extracted from the wet rooms and supplied to the habitable rooms, which will waste energy and may cause noise hindrance. More energy may also be wasted either heating or cooling the extra air supplied to the dwelling. The moulded ground spikes improve the structural integrity by anchoring the grids into the aggregate bedding layer, the perforated HDPE base forms a structural layer between the aggregate bed and the aggregate within the grid forming the wearing course.Much attention has been paid to the energy efficiency of mechanical ventilation systems and considerable improvements in fan and heat exhanger technology have been achieved. The perforated HDPE base provides maximum stability whilst allowing the water to flow freely through the surface course. Our CORE COMMERCIAL grid is ideal for projects where a truly SuDS compliant surface build up is required. Whilst all of our grids are completely porous and can therefore form a SuDS surface course, the free moving loose aggregate layers required to form a truly SuDS compliant surface can prove difficult to compact adequately to provide a sufficiently stable sub base. By using a reduced fines sub base material such as type 3 or 4-40mm clean aggregate, below a grit bedding layer, the water is able to infiltrate through the complete build up and back into the subsoil. Our products are one of the best Sustainable Urban Drainage Solutions available.Ī SuDS compliant sub base build up should contain nothing smaller than 2mm in its construction, this is referred to as a ‘no fines’ or ‘reduced fines’ build up. If there are any areas on the driveway where it looks like a loss of traction may be unavoidable due to design or curvature of the drive, we recommend installing a hardstanding such as block paving, macadam, or similar surface to these areas to help maintain traction and preserve the longevity of your new driveway! If a vehicle looses traction on the slope and begins to wheel spin this will inevitably lead to a risk of damaging the grid. If you are planning to use CORE DRIVE on an area that has a steep gradient and it is likely that your vehicle will come to a complete standstill whilst still on the gradient, We would advise on taking the precautionary measure to install ‘traction strips’ across the driveway to help provide the initial traction required that will allow your vehicle to pull-off and accelerate on the slope without wheel-spinning. CORE DRIVE 50-35 HD (up to a 1-in-8 fall) 12.5% gradient for domestic use.CORE DRIVE 40-30 (up to a 1-in-10 fall) 10% gradient for domestic use.New Drive Construction Over Existing Hard Surface Sub Base CalculationĬORE DRIVE grids can be used on driveways that have up to a 12.5% gradient, Please see recommended grids below and their capabilities: For more information on installation, please download our installation guides: ![]() Our CORE DRIVE system can be used to construct new porous driveways or installed over existing surfaces. ![]() They are specifically designed for different traffic loads and site conditions, whether your project is a sloping residential driveway or a busy commercial parking area, new porous driveways or installed over existing surfaces.ĬORE DRIVE comes with helpful installation guides for New Drive Construction, Existing Hard Surfaces and Sub Base Calculations, to make it easy and efficient to use. Our stabilising cellular grids provide an effective solution by creating a porous base that keeps gravel in place.Įasy to install, the grids are cost-effective and virtually invisible once filled, unlike more traditional heavy grids. ![]() While gravel offers an attractive, affordable, and versatile surface for landscaping and construction projects, it can shift and spread if it’s not suitably controlled. Setting industry standards with its heat-welded membrane, sleek design, and iconic honeycomb shape, CORE DRIVE is the ideal solution for creating smart, stable driveways and parking areas. ![]()
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