Roundtower Hydraulic Lime
Technical Helpline IRL / INT: +35 321 4776677
Technical Helpline UK: +44 1737 245554
Why use Roundtower?
Twenty-two reasons to choose Roundtower
There are many reasons for specifying and using Roundtower Natural Hydraulic Limes:
Old and New - Roundtower Natural Hydraulic Limes are suitable
for building restoration and conservation. Equally, they are well
suited for new construction and as mortars, plasters, concrete
and grouts.
Choice - Roundtower has 5 different natural hydraulic limes. An NHL 2 (white), two NHL 3.5 (one white and one grey), an NHL 3.5 Premix and NHL 5 (bright). Roundtower also suplies Lime Putty. This gives the user the widest choice of material...
Natural - Roundtower Natural Hydraulic Limes are natural products. They contain no additives and are not blended.
No additives - no need to add pozzolans, cement, plasticizers, water retainers or waterproofers. Roundtower Natural Hydraulic Lime gives consistently high quality results.
Compatibility & Suitability – variety of strengths and colours available to suit existing mortar, whatever age...


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