Best Indoor Concrete Sealers | Protect Basement & Garage Floors
These are indoor sealers, so they’re all water‑based to avoid fumes inside your living space. The only exception is epoxy coatings — if you want a high‑performance floor, see my Epoxy Coatings page for those options.
Foundation Armor SX5000 (Penetrating Silane/Siloxane) WB
A deep‑penetrating, breathable sealer that protects driveways and patios from water, salt, and freeze‑thaw damage. If its for your basement, or garage stop looking this is the one you want.
- Long‑lasting penetrating protection
- Excellent for freeze‑thaw climates
- Doesn’t change color or gloss
Ghostshield Siloxa‑Tek 8500 (Premium Penetrating Sealer) WB
A high‑performance silane/siloxane blend that soaks deep into the slab and forms a durable hydrophobic barrier. Great for high‑traffic driveways and harsh weather conditions. May need more then 1 gallon.
- Extremely durable hydrophobic barrier
- Great for driveways with heavy traffic
- UV‑stable and breathable
- Works on broom‑finished or smooth concrete
RadonSeal Deep Penetrating Concrete Sealer WB
A water‑based, deep‑penetrating sealer that strengthens the concrete from within and helps reduce moisture, dusting, and surface wear. Great for homeowners who want long‑term protection without gloss, odor, or solvents.
- Penetrates deep to harden and densify concrete
- Natural, no‑gloss finish
- Low‑odor, water‑based formula
- Helps reduce moisture and surface dusting
Eco Advance Water Based Concrete Sealer
Best for homeowners who want a simple, low‑odor, breathable indoor sealer. ultra safe for pets and kids only down side you’ll have to buy multiple jugs but its cheap.
- Ultra‑low odor — ideal for indoor use
- Breathable formula prevents moisture issues
- Easy spray‑on application
- Budget‑friendly option
AQUA-X 11 Concrete Sealer
Best for basements and interior floors needing moisture protection without fumes
- Very low VOC and low odor
- Excellent water‑beading and moisture resistance
- No gloss — keeps concrete natural
- Safe for indoor slabs and basements
Related Guides
- Outdoor Concrete Sealer – Best options for protecting driveways, patios, and exterior slabs from weather, water, and surface wear.
- Indoor Concrete Sealers – Protect basement and interior floors from moisture, dusting, and everyday foot traffic.
- Epoxy Concrete Coatings – Overview of epoxy, polyaspartic, and polyurethane coatings and where each one performs best.
- Sealers & Coatings Hub – Your main resource for choosing the right sealer or coating for any concrete surface.
- Cleaning & Maintenance Guide – Keep your concrete looking clean and prevent long‑term damage with simple, routine care.
- Best Outdoor Sealers – Driveways, patios, sidewalks