Ecologic™ LithoStep
For the surface repair of brick & stone treads and high-density brick, stone, and concrete substrates
Description:
Ecologic™ LithoStep is a specially formulated repair mortar for Cast Concrete Repair that is derived from Saint-Astier® Lithomex, a vertical Brick and Stone surface repair material. Ecologic™ LithoStep is a modified version of Lithomex and it is useful for horizontal brick or stone tread repairs. Ecologic™ LithoStep can be used either as the base coat or for multiple lift build-ups in second and subsequent coats.
Heavier applications of Ecologic™ LithoStep are required where there is a need to build up a repair in lifts to take up deep material loss. Ecologic™ LithoStep can be built up in 1” lifts daily, including pointing of Cast Stone joints, or in 2” lift increments daily when a stainless steel armature is first anchored into the substrate to support the Ecologic™ LithoStep lift installation.
It is recommended when recreating the final lift over Ecologic™ LithoStep in applications at either the vertical faces of Cast Stone or where there will be no foot traffic but still have high exposure, such as on top of a Cast Stone coping to use Ecologic™ “LithoCast.” Ecologic™ LithoCast, which is also a modified version of Saint-Astier® Lithomex, is used to fully cast missing brick and stone elements or to better recreate a match to the texture and tooling of surrounding Cast Stone when it is applied in the final ¾” -1” coat over Cast Stone facing. See separate Cut Sheet on Ecologic™ LithoCast for its full range of benefits.
Benefits:
Ecologic™ LithoStep has unique qualities that allow it to be shaped immediately or carved using stone carving tools or sanded with PermaGrit® sanding blocks about a week after the final set, depending upon weather and final curing.
For surface repairs to be successful the materials used for the repair need to have certain characteristics. They should:
- Have a similar but slightly lesser compression strength and tensile strength to that of the original masonry material being repaired.
- Have adequate bond strength.
- Have a good modulus of elasticity.
- Have good vapor permeability.
- Remain durable.
- Be capable of being dressed to a similar profile as the original masonry.
- Remain workable long enough to allow details to be created before an initial set.
- Simulate the color of the surrounding masonry.
- Simulate the texture of the surrounding masonry when properly tooled.
- Be reversible.
Mixing:
Ecologic™ LithoStep can be mixed manually or be mixed mechanically using a drill and paddle mortar mixer, adding approximately 1.1 gallons of water per 55 lb of Ecologic™ LithoStep. For smaller batches mix approximately 64 Milliliters of water to one dry cup of Ecologic™ LithoStep. Mix well for 3-5 minutes. Adjust final water content carefully to the consistency required.* For small quantities mixed by hand, add just sufficient water to make a semi-dry crumbly consistency, beat vigorously for a few minutes, and carefully add a few drops of water at a time until desired consistency is achieved. (8 oz water to 3lbs Ecologic™ LithoStep)
LithoStep Color
Ecologic™ LithoStep is neutral white in color or can be custom colored.
LithoStep Available Sizes
Ecologic™ LithoStep is supplied in 55 lb (25kg) pails to which only mixing water is added. It is also available in units of 3 lbs or 15 lbs containers.
Lithostep Colors
Disclaimer:
Many factors affect how these images may appear on your computer monitor and how it prints on your specific printer. It is suggested that you purchase the St. Astier Lime Paint Swatch to see the actual color. By purchasing the Paint Fan Deck you may view each swatch in the deck individually or hold one or more of these swatch cards to the surface of the wall to ascertain which stock color may be most appropriate for your application.
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