Polypropylene fibres are designed to add flexural and tensile strength to your mortars and renders and reduce the potential of shrinkage or cracking. Available in 6mm a 1kg bag.
£8.63 £10.36 inc VAT
In stock
Please contact us on 01208 79779 for a lead time for this product.
Polypropylene Fibres are for non-structural use in lime mortars, renders, plasters, and concrete. Available in a 1kg bag.
Budget-friendly and easy to use, these fibres are an effective alternative to animal hair, assisting with reducing the potential of cracking and shrinkage and improving a lime mortar’s impact and abrasion resistance.
A particularly useful addition for finer sands, for high suction substrates, for bedding slate and for managing plastic shrinkage.
Suitable for use with lime or cement mortars, renders and plasters.
Addition rates will vary according to the application but typically range between 0.6Kg/T and 1.5Kg/T. Higher doses will also work, however may begin to affect rheology; we would recommend considering a longer fibre type should higher levels of reinforcement be required.
Once added into the mortar or render, ensure that the Polypropylene Fibres are distributed evenly throughout the mix. As general guidance, 5-10 minutes of thorough mixing is typically sufficient.
For more guidance on using hair or fibres, see our application guide, Adding Hair or Fibres to Lime Mortar.
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
Polypropylene
colour
White
Weight
0.9kg
Length
12mm, 19mm, 50mm
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.
Animal hair is undoubtedly the traditional choice. Historic mortars often use a range of animal hair, but it’s not uncommon to find hair from goats, cows, or horses. Modern synthetic fibres are a budget-friendly and effective alternative that can be easily added to the mixer without teasing. Both assist with flexural and tensile strength and help reduce the likelihood of cracking and shrinkage for renders and plasters. An in-house favourite is our Bellmix Flock fibres, which allow for a greater surface contact area for the mortar matrix.
The required amount will vary depending on the fibres used and the application. Our guide on Adding Hair or Fibres to Lime Mortar is a great start to learning more about the process.
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