TrassTrass is a natural pozzolanic material derived from volcanic deposits, widely used as an additive in lime mortars, renders, and plasters to enhance strength, durability, and moisture resistance. When mixed with lime, Trass undergoes a hydraulic reaction, improving setting characteristics and reducing shrinkage while maintaining high breathability. Key Benefits: Enhances Strength & Durability Increases compressive strength and reduces shrinkage, making

Compatibility: Suitable for lime mortars

String course repairs

✅ No Mess

Unlike conventional sheathing boards

our carefully selected laths provide the authentic

Interior lime plaster walls and ceilings where breathable materials are essential

NHL mortars

✅ Non-Slip Grooved Surface – Prevents plaster from sliding off the hawk

and resistance to washout in damp and tidal conditions

Roundtower Lime has selected ADFORS VERTEX® mesh for its superior tensile strength

mix the pigment with a small amount of clean

Add the full 15kg bag of Skamol Smooth Plaster while stirring continuously