Lime Plaster Sealer - Water Based
Lime Plaster Sealer - Water Based
Couldn't load pickup availability
Need Product Recommendations?
Need Product Recommendations?
If you could use a recommendation for materials to sample or use on your project, please don't hesitate to contact us and we'll do our best to help guide you in the right direction!
Elevate the durability of your Pro Mason Lime Plaster walls without compromising their natural beauty. Pro Mason Water-Based Plaster Sealer is a low-odor, easy-to-use topcoat designed specifically to bond with and protect lime-based surfaces.
Whether you prefer a subtle matte finish or a beautiful sheen, this breathable sealer provides a vital layer of protection for high-traffic areas, making your plaster walls easier to clean and maintain. It is the perfect finishing touch for hallways, living spaces, and kitchens.
Key Features:
- Versatile Finishes: Available in Matte or Sheen to match your design aesthetic.
- High-Traffic Protection: Creates a washable surface ideal for busy areas.
- Easy Application: Apply easily using a brush, roller, or paint sprayer.
- Fast Turnaround: Can be applied as soon as 7 days after plaster installation.
- Breathable Formula: Designed to allow the underlying lime plaster to breathe while repelling dirt.
Important Note: This sealer is a protective top-coating for general walls. It is not designed for use in showers, fountains, or areas exposed to pooling water.
Key Features & Benefits
- Choose matte or gloss finishes for different effects and requirements. Gloss finish is easier to clean.
- Versatile Application: Can be easily applied via brush, roller, or sprayer depending on the project scale.
- Water-Based Formula.
- Easy Maintenance: Simple cleanup with soap and warm water.
Application Specifications
- Application Temperature: Apply only when surface and air temperatures are between 40°F – 80°F.
- Method: Roll, brush, or spray to achieve a uniform coat.
- Cleanup: Clean tools immediately after use with warm, soapy water.
Share

Let customers speak for us
from 83 reviewsVery satisfied with the brick stain we purchased at Pro Mason. We got charcoal and Burgundy colors: mixed three parts of charcoal w one of burgundy and we got our mocha/chocolate/and some influence of darkish red we were looking for our bricks. We loved the finished product. Thank you ProMason a lot. Maria and Pablo
Been doing a fairly large job for an apartment housing company. Any time we’ve needed to color match brick in a pinch pro mason has been timely and professional 10/10
Very helpful. Answered my questions promptly, and shipped my product quickly.
I purchased the Pro Mason Supply masonry stain in hopes of muting the orange tones in the brick around our fireplace. It worked even better than I had hoped. I was so happy that it muted the orange and love the warmer brown hues. It was very easy to apply and there is no odor - and dried quickly!
I bought from them a few different times, the product comes quick, high quality, definitely recommend
I bought 5 gallons of PHL 3.5 Lime Mortar to repair the old stone walls of my basement. I am about halfway done the job. I will soon order another 5 gallons because this product is perfect for the job.
Great product. My order was filled quickly. We had some mortor joints we repaired and the color samples were ordered were a great match.
Great products and fast shipping, provided exactly what I needed. Highly recommend!
I couldn’t get the Type O mortar locally and Pro Mason Supply got it to me fast