Pre-Blended Historic Pointing Mortar High Strength, Coarse - 55 lb Bag

Otterbein Historic Pointing Mortar - High Strength, Coarse Histocal Traditional Masonry And Grouting Mortar MG IIa, Coarse Pre-Blended NHL based mortars - Just add water. For applications and mortar joints over 1/4 inch wide. Weight: 25 kg Water Consumption: Approx. 4.5 l each bag Composition HISTOCAL Historic Masonry and Grouting Mortar MG IIa (coarse) consists of natural hydraulic lime NHL 5 acc. to EN 459-1, sulphateresistant cement acc. to DIN 1164 and grain-classified crushed lime sands. Properties: Grading curve according to historic findings Frost-proof High natural water retention properties Very good side adhesion Permeable Low-tension hardening process Application: 1:4 (Water : Dry Mix) For laying bricks and grouting of historic masonry (e.g. natural stones, bricks). Substrate The substrate must be dry, clean and free from loosely attached particles. Sufficiently wet absorbing masonry before. Processing 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). After-treatment: 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! Special notes: The air and surface temperature must be at least 5 Deg C and maximum 25 Deg C. HISTOCAL Historic Masonry and Grouting Mortar MG IIa (coarse) shall only be used in the original state without additives. Storage Dry, if possible on wooden shelves and protected against draft. Technical data: Grain size: 0-4.5 mm Solid mortar raw density: approx.1.65 kg/dm3 Compressive strength 28 days: approx. 7 N/mm2 Flexural strength 28 days: approx. 2.0 N/mm2 E-Module: approx. 7.5 kN/mm2 Safety instructions 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. Quality-monitored production HISTOCAL Historic Masonry and Grouting Mortar MG IIa (coarse) 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 (coarse) is certified acc. to EN 998-2.