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Historic Pointing Mortar - Moderate Strength, Fine-Otterbein-Atlas Preservation

Historic Pointing Mortar - Moderate Strength, Fine

by Otterbein
$12.50 - $56.50
$56.50
$12.50 - $56.50
$56.50
Size: 55 Lb Bag

Otterbein Historic Pointing Mortar - Moderate Strength, Fine
Histocal® Traditional Masonry And Grouting Mortar MG II, Fine

Pre-Blended NHL based mortars - Just add water.
For applications and mortar joints less than 1/4 inch wide.

Technical Data
Product Brochure

Weight

25 kg

Water Consumption

approx. 4.5 l each bag

Composition

HISTOCAL® Historic Masonry and Grouting Mortar MG II (fine) consists of natural hydraulic lime NHL 5 acc. to EN 459-1 and grainclassified crushed lime sands.

Properties

  • Free of cement
  • Grading curve according to historic findings
  • High natural water retention properties
  • Very good side adhesion
  • Highly permeable
  • Low-tension hardening process
  • Low E-module - high elasticity

Application

For laying bricks and grouting of historic masonry (e.g. natural stones, bricks). We recommend our HISTOCAL® Historic Masonry- and Grouting Mortar MG IIa in case of buildings subjected to humidity.

Substrate

The substrate must be dry, clean and free from loosely attached particles. Sufficiently wet absorbing masonry before.

Processing

To be processed with all commonly used mortar mixers (continuous mixer, gravity mixer, blunger) and by hand. Watch for uniform and correct consistency (well earth-moist to plastic).

After-treatment

Protect fresh mortar until sufficient hardening (usually several weeks) 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 for several weeks until sufficient hardening has been achieved!

Special notes

The air and surface temperature must be at least 5 ° C and maximum 25 ° C. HISTOCAL® Historic Masonry and Grouting Mortar MG II (fine) 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: 0-1.2 mm
  • Solid mortar raw density: approx.1.65 kg/dm³
  • Compressive strength 28 days: approx. 3 N/mm²
  • Flexural strength 28 days: approx. 1.0 N/mm²
  • E-Module: approx. 3.5 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 II (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 II (fine) is certified acc. to EN 998-2

Questions & Answers

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  • I have a bag of this already, previously ordered. Can I mix any dye in with it? And also, when it finally sets up, should I be able to scratch it with my fingernail?

    Iron oxide pigments can be added up to 5%. We recommend using solomon colors which is designed for adding to mortar mixes.
    No, once the mortar is fully hardened you should not be able to scratch it with your fingernail. In rare situations where a soft mortar is needed we would recommend using the NHL 2.0 or the Lime Putty as the binder then adding your own sand.

  • How does one chose the type of mortar for a headstone fitting into a slotted base?

    Typically for reseting a headstone into a slotted, or keyway, base we recommend using moderate strength fine. High strength fine will also work.

  • What do you suggest for a keyway with greater than 1/4 inch space between the keyway and the table stone. Tablet is marble and the keyway is granite.

    You can use the historic pointing mortar - moderate strength fine - and build up the areas around the stone!

Customer Reviews

Based on 3 reviews
67%
(2)
33%
(1)
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(0)
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J
Jodie Myers
Historic Pointing Mortar

This is the finest Pointing mortar you can buy. I really like that all you have to do is add water.

T
Tim Ruehle
Excellent Brick Strength Match

I used this to do pointing and brick replacement on my 19th century home. It worked well to match the strength and is holding great after two years. The only issue I ran into was that the mortar did not take the dye as well as I had hoped so there are white granules throughout after mixing with the dye. This is a minor concern as the end result still looked good and worked well with the softer bricks.

R
Rex Melius
Historic Motar

Excellent product... have been using it for several years, never disappointed. Highly recommended.