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Soapstone Sealer

Soapstone Sealer – All-Natural Protection for Stone Surfaces

$12.99 – $36.99

Protect and enrich your stone surfaces naturally with the Soapstone Sealer by RMP Finishes. This premium, plant-based formula is designed for those who value both performance and purity:

Food-contact safe
All-natural & vegan-friendly
No VOCs or harsh chemicals
Versatile protection
Natural matte finish

UPC: 813292020317 SKU: SSW Category: Waxes

Product Description

Soapstone Sealer – All-Natural Surface Protector

Finally, a truly all-natural, earth-friendly sealer for soapstone and other porous surfaces. The Soapstone Sealer by RMP Finishes enhances and protects countertops without harsh chemicals or the constant reapplication that mineral oil requires. Ideal for kitchens, bathrooms, and any natural stone finish.

Perfect for use on:

soapstone,
marble,
granite,
slate,
concrete,
natural stone slabs,
and honed (non-polished) surfaces.

Key Advantages

Choosing our Soapstone Sealer means choosing lasting protection, natural ingredients, and effortless maintenance. Here’s what makes it stand out:

All-Natural Formula

Made entirely from food-grade walnut oil and T1 carnauba wax, without synthetic additives or petroleum derivatives.

Vegan & Eco-Friendly

100% plant-based ingredients that are safe for both your home and the environment.

No VOCs or Harsh Odours

Free from solvents and volatile organic compounds, ensuring a safer indoor application.

Food-Safe Finish

Approved for use on kitchen countertops and cooking surfaces without risk of contamination.

Low-Lustre, Non-Fading Finish

Enhances the natural beauty of soapstone and other stones without adding unwanted gloss.

Heat-Resistant Protection

Withstands everyday kitchen temperatures without breaking down or discolouring.

Long-Lasting & Easy Maintenance

Cures naturally to create a durable surface that doesn’t require frequent reapplication.

No Sticky Residue

Unlike mineral oil, the drying oil formula cures fully, preventing transfer or smudging.

Coverage

4 oz. covers 50 sq. ft.
8 oz. covers 100 sq. ft.
16 oz. covers 200 sq. ft.

Directions for Use

Step-by-Step Directions

1. Prepare the Surface

Ensure your countertop is unfinished, honed, and absorbent.
If it was previously coated with mineral oil or any glossy finish, clean thoroughly using hot water and mild dish soap or RMP Finishes Citrus Solvent.
Let the surface dry completely before applying.

2. Apply the Sealer

Scoop a small amount of Soapstone Sealer onto a lint-free cloth and rub it over the surface in thin, circular motions until evenly covered.
Allow it to soak in for 15–30 minutes, then wipe off any excess with a clean cloth, applying firm pressure for a smooth, even finish.

3. Let It Cure

Leave the surface to sit overnight, then allow 5–7 days of curing time before regular use.
For best results, keep the area free from standing water and objects to maintain airflow.
Full cure occurs within 10–15 days, creating a durable, low-lustre finish.

4. Maintain the Surface

Clean using mild soap and water only, and avoid acids or harsh cleaners.
Reapply in high-use areas as needed; low-traffic zones may stay protected for years.

For Soapstone Sinks and Basins:

Follow the same steps, allowing a minimum 10–15-day curing period before use for optimal water resistance and even protection.

Frequently Asked Questions

Can I use Soapstone Sealer on polished stone?

No. The sealer is designed for honed or raw porous surfaces. Polished stone won’t absorb the product properly, so it’s best suited for matte or unfinished finishes.

How often should I reapply Soapstone Sealer?

Most surfaces stay protected much longer than a traditional mineral oil treatment. However, in areas of frequent use (like around sinks or prep zones), you can reapply a thin coat as needed to refresh the protective layer. Typically, a light annual refresh is common.

What makes this different from mineral oil?

Mineral oil is a non-drying petroleum product that fades over time and can transfer onto other surfaces – including food!). The Soapstone Sealer, by contrast, is a drying oil and wax blend that cures naturally, creating a durable, non-toxic, long-lasting finish.

Will the Soapstone Sealer eventually go rancid?

No. The walnut oil used in the sealer is a drying oil, meaning it reacts with oxygen to polymerize and cure (harden). It forms a tough, durable, and cured finish long before it has a chance to spoil or go rancid, ensuring a stable and long-lasting protective layer.

Does it change the color of the stone?

The Soapstone Sealer enhances the natural depth and richness of your stone without creating an artificial shine. The result is a subtle, low-lustre finish that highlights the stone’s organic beauty.

Ingredients & SDS

Ingredients

At RMP Finishes, we believe in full transparency. You deserve to know exactly what’s in every product you use in your home, and our Soapstone Sealer is made from just a few safe, natural ingredients you can trust.

Made with:

Walnut Oil – FDA-approved for food-contact surfaces, this natural drying oil penetrates deeply to protect and enrich stone.
T1 Carnauba Wax Flakes – A plant-based wax that adds a subtle sheen and durable topcoat without synthetic additives or petroleum.

About Walnut Oil and Allergies

We understand that some customers may have concerns about walnut oil and allergies. While no product can be guaranteed to be completely risk-free, polymerized walnut oil used in our formula has a very low likelihood of causing allergic reactions.

Here’s why:

Allergic responses are typically triggered by proteins, which are minimal or inactive in polymerized walnut oil.
During manufacturing, the oil is heated and cured, a process that helps neutralize any residual proteins.
Once applied and cured, the oil polymerizes into a solid, inert finish, further reducing any potential for sensitivity.

If you have a severe nut allergy, we recommend consulting your physician before using this or any product containing walnut derivatives.

Safety Data Sheet

Download the Soapstone Sealer SDS here.

Technical Specifications

Property	Details
Product Name	Soapstone Sealer
Brand	RMP Finishes
Base Ingredients	Food-grade Walnut Oil, T1 Carnauba Wax Flakes
Finish	Low-lustre, natural matte
VOC Content	0 g/L – No VOCs
Odour	Low, natural scent
Cure Time	Initial cure: 5–7 days; full cure: 10–15 days
Coverage	Approximately 125–175 sq. ft. per 8 oz, depending on surface porosity
Surfaces	Soapstone, marble, slate, granite, concrete, natural stone (honed only)
Food Contact Safe	Yes – FDA-approved ingredients
Vegan-Friendly	Yes – 100% plant-based, no animal products
Heat Resistance	High – suitable for kitchen use
Storage	Store in a cool, dry place; keep container tightly sealed
Shelf Life	2+ years if stored properly

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