Concrete floor sealer

Description

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Concrete sealers and coatings are intended provide protection against heavy traffic, abrasion, chemicals, and moisture exposure. They also can beautify the surface, simplify maintenance and improve skid resistance. Most also reduce pitting, cracks, and stains.

In general the difference is that a concrete sealer has a penetrating formulation or a less viscous topical solution that seeps into the concrete or is suspended on the surface. A concrete coating on the other hand sits on the surface of the concrete and builds up and protects through the layers of coatings.

In both cases, the

Concrete Sealers:

• Silicates: penetrating sealers in either a sodium, lithium or potassium carrier that seep into the concrete, chemically react to form calcium silicate hydrate and thus densifying.
• Silane/Siloxanes: water repellents that form a hydrophobic barrier to seals out moisture while chemically bonding with the substrate.
• Acrylics: water based or solvent based decorative sealers that enhance the surface and repels water.

Concrete Coatings:

• Epoxies: coating used to prime or coat concrete to stop dusting, add chemical resistance and abrasion resistance properties.
• Urethanes: coating usually applied on top of an epoxy to add additional protection from chemicals, wear and UV rays.
• Polyaspartics: fast drying urethanes applied on top of an epoxy with a faster tack free dry time

This table provides some commercial examples:

Brand name	Manufacturer	Composition	Comments	Application	Cure-time	Longevity	Links
Armor AR350	Foundation Armor	solvent based acrylic	Interior or exterior use; Wet look; non-yellowing, UV resistant	Two coats recommended; Use roller or sprayer; self-priming		recoat in 2-5 years	Website
Clear-Seal Acrylic Urethane	Rainguard	acrylic urethane (single component self-cross-linking)	Interior or exterior use; resistant to solvents, oil, gasoline and UV; low VOC (<50 g/L); water-based; low gloss	Recommends first coat of water-repellent on porous surfaces; Use brush, t-bar or pump sprayer; clean up with water	60 min recoat/ 24 hours to walk-on	5 year warranty	Website, SDS
Decra-Seal Natural	W.R.Meadows	water-based sealant	Interior or exterior use; can add stain, dyes or aggregate for decorative effects; Low VOC (<50 g/L); Water-repellant; matte finish	Industrial sprayer recommended; shelf life = 1 year; clean-up with soap and water	dries quickly; restrict walk-on for 12 hours, vehicle traffic for 24		Website, Chart, SDS
Industrial-Seal 117A	V-Seal	lithium-silicate densifier with silconate stain repellant	Interior or exterior use; no VOC ; waterproof, controls dust, allows deep penetration to chemically harden and fortify the substrate	Water-based material; Use roller of low-pressure sprayer; Use only 1 coat; shelf life = 1 year; clean-up with soap and water	Dry to touch in 1-3 hours; allow 12-24 hours		Website
Floortex Polyaspartic Garage Floor Coating	Floortex	polyaspartic	Interior or exterior use; low VOC; easy to maintain, minimizes dust and dirt;	Expensive; Use roller or squeegee (don't make errors because it dries quickly)	1 hour to dry
PS 101 Siliconate Multi-surface sealer		lithium-silicate densifier with silconate stain repellant	Interior or exterior use; ; water repellant, stain-proof
Quickrete Fastset Concrete Crack Repair			Can be used to repair cracks and gaps
Epoxyshield Basement Floor coating kit	Rust-oleum	epoxy	Formulated for indoor use		16 hours to dry		Website
RadonSeal	RadonSeal	lithium-silicate densifier with silconate stain repellant
Consolideck		lithium-silicate densifier with silconate stain repellant

Synonyms and Related Terms

concrete floor sealant