Natural Hydraulic Lime mortars for bedding and rendering to preserve, conserve and repair listed buildings.
The well proven durability of TRADI HC™ PURE BASE is due to the quality of Saint-Astier® natural hydraulic limes.
TRADI HC™ PURE BASE is made of pure lime free of harmful components such as cement, GGBS, fly ash…

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020020023023026026029029057057072072075075078078086086092092Other colour (contact us)Other colour (contact us)
25 KG25 KG
BagBagPallet (40 bags)Pallet (40 bags)



  • Avoid blending mistakes
  • Avoiding the need to store sand on Urban jobsites
  • User friendly
  • Preserve all the qualities of Lime Mortars (breathability, flexibility, resistance to frost, to salts…)

Shelf life and Guarantee
12 months from production date if kept sealed in original container and stored in dry conditions. Manufacturer Civil Responsibility.

Working Temperature
Not below 8°C or above 30°C. On clean and dry background not waterproofed. Dampen adequately dry or high suction surfaces. Protect against heavy rain, frost, drying wind, or direct strong sunlight until sufficient hardening has occurred.

In ordinary drum mixes (mix for about 5 to 15 minutes)

Water addition
TRADI HC™ Granulometry EF: 4.5 to 5 litres per 25 kg bag
TRADI HC™ Granulometry TF, F, M: 4 to 5 litres per 25 kg bag

Consumption per 25 kg bag
Renders and Plasters: 1.6 m2 at 10 mm thickness
Building: 50 std Bricks (no frog or perforation)
Re-Pointing: 17 linear meters for 10mm x 10mm joints

Granulometries (maximum grain size): EF = 0.8mm TF= 1.3mm F= 1.8mm M= 2.5mm
Recommendation: Before starting, always try on a small test area.
Health and Safety: Follow the instructions on the safety data sheet and wear appropriate equipment (gloves, mask, safety shoes…)
This document is for general information only and does not constitute a specification. For further guidance, contact your Saint-Astier® agent.

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Additional information

Weight 25 kg

EF, F, M, TF


020, 023, 026, 029, 057, 072, 075, 078, 086, 092, Other colour (contact us)

Bag weight

25 KG




Bag, Pallet (40 bags)