Penetrating Concrete Sealers
PENETRATING CONCRETE SEALERS — INVISIBLE PROTECTION
Penetrating sealers soak into the concrete pore structure and chemically react to block water, deicing salt, and chloride penetration without changing the surface appearance or creating a film. Types include silane (deepest penetration), siloxane (surface and subsurface), and lithium silicate (hardening and densifying). Penetrating sealers are the best protection for driveways, sidewalks, and garage floors exposed to Minnesota's salt and freeze-thaw cycles.
Starting at $1 per sq ft
Key Highlights
No surface film
penetrates into concrete without changing appearance or creating a slippery surface.
Salt and moisture barrier
blocks water, deicing salt, and chloride penetration that cause freeze-thaw damage.
Long-lasting
penetrating sealers last 5-10 years without reapplication.
Why Choose Our Penetrating Concrete Sealers
Penetrating sealers are the best protection for Minnesota concrete — blocking the water and salt that cause freeze-thaw damage, spalling, and rebar corrosion. We apply silane, siloxane, and silicate sealers that soak into the concrete pore structure without changing appearance or creating a film that can peel, flake, or become slippery.
Signs You Need Penetrating Concrete Sealers
1. New concrete needs protection
Newly poured concrete should be sealed after curing to protect against salt and moisture damage.
2. Salt damage prevention
Your driveway or garage floor is exposed to deicing salt and needs protection against spalling and scaling.
Our Process
Step 1 — Surface preparation
Clean concrete thoroughly, remove any existing coatings or contaminants.
Step 2 — Application
Apply penetrating sealer by sprayer or roller, maintaining wet surface for proper absorption.
Step 3 — Cure
Allow sealer to penetrate and react — surface is ready for use within 24 hours.
Brands & Materials
- W.R. Meadows Penntrowel
- Prosoco SLX100
- ChemMasters silane/siloxane
FAQs About Penetrating Concrete Sealers
How often should penetrating sealer be reapplied?
Quality penetrating sealers last 5-10 years depending on traffic and exposure. Test by splashing water on the surface — if it beads up, the sealer is still working. If water soaks in and darkens the concrete, it's time to reapply.
Pricing
$1 - $3
per sq ft
*Varies by project scope and site conditions.
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Because with Legacy General Services,
You Get More Than a Guarantee
When you choose Legacy General Services for your concrete project in the NW Metro, you're choosing a partner committed to quality that lasts.
Reputation
MN-registered contractor since 2023. Insured and trusted by homeowners across the NW Metro.
Transparency
No hidden fees or surprise charges. Upfront pricing on every concrete project—big or small, start to finish.
Efficiency
On-time scheduling and reliable project timelines. We show up when we say we will and finish on schedule.
Quality
Air-entrained, freeze-thaw resistant concrete built for Minnesota winters. Every pour meets or exceeds code.