One of the benefits of manufactured stone veneer is that it requires very little maintenance over its life. But like all building materials, debris and dust may collect on MSV surfaces, and spills may occur, so occasional cleaning will be needed.
Cleaning During Installation
During installation, it’s important to clean mortar splash off the stones, and it’s easiest if this is done within a few hours. If you wait longer, it may stain the surface and be hard to remove. Clean debris from the veneer surface with a dry, soft-bristled brush. Do not use a wet brush or sponge to clean uncured mortar joints, as this may cause the mortar to smear and stain the MSV surface.
Also, keep in mind that manufactured stone near the ground may experience dirt splash from uncovered soil during construction. Covering exposed soil with cardboard or hay can help prevent this.
Ongoing Cleaning
For building owners and homeowners, interior manufactured stone will simply need occasional dusting and an occasional wipe-down with water to keep it looking new.
On the exterior, debris and light dirt can be rinsed with water; a power washer should not be used. If a deeper clean is required, it usually just needs a soft brush and a bio-safe cleaner recommended by the manufactured stone manufacturer. Always refer to manufacturer recommendations on cleaning and maintenance. Do not use harsh chemicals, such as raw acid, and do not use abrasive tools such as wire brushes.
Start with less aggressive cleaning options and increase the aggressiveness of cleaners and cleaning activity only as necessary to achieve the desired results. Consider using mild detergent and mild masonry cleaners like new construction cleaners.
With cleaners, always follow instructions for how it should be used.
How to Avoid Stains & Discoloration
Like most finish materials, manufactured stone may absorb liquids that spill on it, such as wine splashing from a glass in a restaurant, so wipe down and rinse off any spills immediately to avoid staining. Also, do not subject MSV to contact with de-icing materials, salt, cleaning chemicals, pool chemicals, or other harsh chemicals. Prolonged exposure to these conditions may discolor the MSV or result in surface damage.
Learn more about manufactured stone and MSV installation on our Education & Certification page.
CMHA also has a new online Fundamentals of Manufactured Stone Veneer course that explains what Manufactured Stone Veneer (MSV) is, where it’s commonly used, and the basic terminology needed to understand MSV projects. Check it out!
Photo courtesy of Instone.