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NATCEM LUL Rapideset Fast-Setting Mortar - 15kgNATCEM LUL Rapideset Fast-Setting Mortar - 15kg

NATCEM LUL Rapideset Fast-Setting Mortar – 15kg

Brand: Natural Cement
Product Code: Nat/LUL/15
In Stock

NATCEM LUL RAPIDESET is a fast setting and fast-curing mortar with rapid strength gain that is resistant to chloride penetration. It is ideal for horizontal, vertical and overhead applications wherever early strength gain and resistance to chemicals or pollution is required.

£35.84 incl. VAT
£29.87 excl. VAT

Qty:

NATCEM LUL RAPIDESET is a fast setting and fast-curing mortar with rapid strength gain that is resistant to chloride penetration. The mortar consists of a blend of natural cement-based binder, specially selected dried graded aggregates all passing a 250 micron sieve, and food-grade retarders.

Uses:

  • Horizontal
  • Vertical
  • Overhead concrete repairs
  • Patching floor screeds
  • Repairs to sewers
  • Work around the sea
  • Where early strength is required
  • Wherever pollution or chemical attack is likely

Properties:

  • Fast setting

  • Excellent adhesion

  • Low shrinkage

  • Low modules of elasticity, which makes it very effective on poor or friable substrates

  • Excellent resistance to pure water & sulphated water

  • Excellent resistance to aggressive chemicals

  • Very good cohesion & mixing

  • Fine compact surface

  • No curing necessary. It can be coated, covered or painted as soon as setting is complete

  • Can be used in wet conditions

  • Can be used under water

Setting Times:

NATCEM LUL RAPIDESET is designed to commence setting at 8 minutes and finish setting at 10 minutes at 20°c. In winter LUL RAPIDESET can be used down to 0°c. The set will be slower but can be accelerated by using warm water. In very hot temperatures the set will be faster and can be slowed by using cold water.

Cleaning:

LUL RAPIDESET should be removed from tools and equipment with water immediately after use.

Storage:

LUL RAPIDESET is packaged in a polythene inner bag with a re-sealable tie in a stitch sealed woven polypropylene outer bag that should be stored in dry conditions and will remain usable for at least twelve months.

Yield:

Generally 1 x 15kg bag of LUL RAPIDESET mixed with 3 litres of water will produce approximately 6 litres of finished mortar.

How to Specify:

LUL RAPIDESET shall be mixed and applied to prepared surfaces all strictly in accordance with the manufacturer’s instructions.

View our full range of Natural Cement products.

Start Set 8 Min at 20°C
End Set 10 Min at 20°C
Compressive Strength (Mpa)
1 Hour
3 Hours
24 Hours
7 Days
28 Days
4
5
9
13
32

Please see our our Delivery policy page for full details of our delivery terms and conditions, including information on exclusions, geographical restrictions, third parties, and failed deliveries.

Delivery Timescales

We will endeavour to deliver all orders within 1-3 working days (subject to geographical restrictions). Please note, where delivery lead-times for individual orders may be subject to change, we will keep you informed directly by phone or email within 24 hours of your order being placed.

Deliveries will not be made on UK bank holidays, and in such cases will fall on the next working day.

Standard delivery hours are between 8am and 6pm, Monday to Friday. If you are not available to accept the delivery when it is attempted, then a failed delivery charge will be applied (see the Delivery page for full details).

Delivery Communications

We aim to dispatch and deliver all our products within their specified time frames. You will get notified by BaseTec via email when your products have been dispatched. This will include details of your order and the expected delivery time. BaseTec will contact you via email or phone if there are any delays in picking your order or after dispatch.

If any products are out of stock or unavailable at the time of ordering, the BaseTec team will contact you by phone or email to discuss your options.

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Our last working day of the year is Tuesday 23rd December. Final orders for delivery before Christmas should be placed by 2pm on Friday 19th December. Our trade counters in Tonbridge and Leeds will also remain open for collections on 23rd December. Both branches will reopen in the New Year on Friday 2nd January 2026.