Roundtower NHL 5Roundtower NHL 5 is a high strength Natural Hydraulic Lime (NHL) designed for demanding applications where increased durability, faster setting times, and higher weather resistance are required. Manufactured from naturally hydraulic limestone and conforming to EN 459 1, NHL 5 provides a breathable, cement free binder suitable for exposed masonry, limecrete floors, retaining walls, chimney work, and severe weathering environments. Unlike cement

Sarking membrane / roof underlay

Ideal for heritage work

while the saw comes with a rust-protective sleeve impregnated with a Volatile Corrosion Inhibitor (VCI) to safeguard the blade

Beeck Quartz Filler acts as a preparatory layer to help achieve a smooth

Aerofixx uses compressed air to activate an internal plunger to squeeze a foil tube of Aerosana Visconn or Visconn Fibre and expel it through an adjustable nozzle

Important: Due to the rapid setting characteristics of the Natural Cement binder

Reinforcement of scratch and float coats in lime plasters and renders

5 Litres per 25kg Bag Coverage Approx

5 Grey Pointing 2

Roundtower Board Render provides a durable reinforced basecoat while maintaining the vapour permeability required for breathable wall construction

SuperTherm is one of the highest-performing breathable lime insulating plasters currently available

Suitable for both internal and external applications