Roundtower NHL 2Roundtower NHL 2 is a feebly hydraulic natural lime designed for breathable internal plastering, soft masonry repair, pointing, and sheltered external applications. Manufactured to EN 459 1 standards, NHL 2 offers high vapour permeability, flexibility, workability, and compatibility with softer traditional building materials such as historic brick, soft stone, cob, and lime built masonry. Compared to stronger hydraulic limes, NHL 2 develops strength

and void filling applications

PFA is widely used in heritage conservation

lime rendering

✅ Acts as a Windbreak: Reduces wind-induced drying

Ideal for plaster

✔️ Type C Drained Protection – designed for use in Type C drained protection systems (BS 8102 referenced by manufacturer)✔️ Stud Profile: low profile (approx

For added safety during use

historic masonry

and timber frame construction

and detailed work in lime plastering

“Plus” means reinforced

lime paints