Roundtower NHLs
Roundtower Natural Hydraulic Limes (NHL's) are a range of building lime products, available in a variety of strengths. There are uniquely four differennt natural limes to choose from allowing the user the widest choice of material. Roundtower NHLs are a user-friendly choice without compromising on the breathability, health benefits and restorative characteristics expected of a lime mortar.
If your thinking of decorating your new limework, please see our range of natural paints providing a breathable finish compatible with the properties of lime mortar.
NHL 2 - Used for internal plastering & externally where masonry is made up of soft material.
NHL 3.5 Grey - mainly for ext. pointing & plasterwork. The most popular for new build.
NHL 3.5 White - has a higher 'whiteness'. Useful when colour matching mortars.
NHL 5 - Used in areas of high exposure e.g. limecrete, marine environments, wall copings & chimney work.
NHL 3.5 Premix - with specially selected sands. It can be used for pointing, rendering and plastering
For the larger contract bulk silo delivery is available. A silo, complete with mixing equipment contains 16 tonnes of dry material which produces about 10 cubic metres of mortar. It can hold up to 35 tonnes when refilled by tanker. Once power and water supplies are connected, a constant supply of high product is available at the push of a button.