Black Grit
Black Grit with mineral inclusions. Suitable for use as a mortar addition to add colour or texture. Available in a 25kg bag.
£9.29 – £10.13Price range: £9.29 through £10.13
This is a black grit recycled from a waste stream and produced to British Standards making it more than fit for our purpose as an inclusion in mortars. We have found it useful in mortar matching when we want to create a textured surface similar to that of coal inclusions. We have trialled crushed coal and charcoal in the past, however; we haven’t found it suitable as it can swell and create stains, this grit is a more than satisfactory alternative, without the negative consequences. Available in two sizes: Medium 0.2-1.5mm and Coarse 1.4-2.5mm. Available in a 25kg bag.
Can be used as an mortar addition, adding colour and texture. Should be used as a replacement for sand by volume, so we recommend mixing on site. Browse our extensive range of coarse sands or fine sands for lime mortars, renders and plasters.
We normally advise addition rates to suit the matched mortar, this is often between 2% and 15% but we have found some blends with higher requirements of 35-40%; this is the exception to normal and if you need a high addition rate please contact us as large quantities of a mono-size aggregate can negatively affect mortar performance. This aggregate should be used as a replacement for sand by volume; you will need to reduce your sand content by an equivalent volume.
See the Technical Data and Documentation section for detailed product information, application guidance, and datasheets. Always review any available documents before use. Each project is unique, always seek professional advice before undertaking a project.
Type
Coarse, Medium
colour
Black
Material
Iron Silicate
Work
Mortar Matching
Weight
Mini Bag
Size
1.4mm - 2.5mm, 0.2mm - 1.5mm
Always read any available datasheets and documentation before use.
Stock Quantities and Lead Times
Stock quantities and lead times are estimated and may differ or increase based on the order size and shipping method. If your timeline is sensitive, get in touch with the team.
Palletforce
Pallet orders with Palletforce Economy are typically dispatched from Cornish Lime within 1-2 business days, providing your item is in stock and not made-to-order. Once dispatched, Palletforce will deliver your order within 3-5 business days, depending on your location. Please ensure that your site can accommodate articulated lorries or similar-sized vehicles.
Local Delivery
The Cornish Lime team provides local delivery with a 18-tonne vehicle with a crane to assist with unloading. You will be contacted by phone to arrange delivery and ensure your site can accommodate our vehicle.
APC Parcel Courier
Orders shipped by APC parcel courier are typically shipped the next business day and arrive within 2-3 business days, providing your item is in stock and not made-to-order. APC will contact you via email with delivery information, and orders can be tracked on the APC website.
Premium or Expedited Service
For a premium or expedited delivery service, please get in touch to discuss if this option is available for your order.
For further information, see our delivery information page.
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