HISTOCAL® Historic Masonry and Grouting Mortar MG IIa (fine) consists of natural hydraulic lime NHL 5 acc. to EN 459-1, sulphateresistant cement acc. to DIN 1164 and grain-classified crushed lime sands.
• grading curve according to historic findings
• high natural water retention properties
• very good side adhesion
• low-tension hardening process
For laying bricks and grouting of historic masonry (e.g. natural stones, bricks)
The substrate must be dry, clean and free from loosely attached particles. Sufficiently wet absorbing masonry before.
To be mixed with all commonly used mortar mixers (continuous mixer, gravity mixer, blunger) and by hand. Watch for uniform and correct setting of consistency (well earth-moist to plastic).
Protect fresh mortar until sufficient hardening against premature drying-out through sun radiation and draft (e.g. hinge with jute sheets kept moist or spray with mist nozzles). The mortar must be protected against frost until sufficient hardening has been achieved!
The air and surface temperature must be at least 5 ° C and maximum 25 ° C. HISTOCAL® Historic Masonry and Grouting Mortar MG IIa (fine) shall only be used in the original state without additives.
Dry, if possible on wooden shelves and protected against draft.
Grain size: 0-1.2 mm
Solid mortar raw density: approx.1.65 kg/dm³
Compressive strength 28 days: approx. 8 N/mm²
Flexural strength 28 days: approx. 2.0 N/mm²
E-Module: approx. 7.5 kN/mm²
Mortal will react very alkaline with water, thus: Protect skin and eyes, rinse thoroughly with water in case of contact, immediately contact doctor in case of eye contact.
HISTOCAL® Historic Masonry and Grouting Mortar MG IIa (fine) is continuously tested in our plant laboratory with respect to the fulfilment of composition and properties. This will ensure a uniform quality of the product. HISTOCAL® Historic Masonry and Grouting Mortar MG IIa (fine) is certified acc. to EN 998-2.