What is the difference between 511 Porous Plus Penetrating Sealer and 511 Impregnator Penetrating Sealer? I need it for concrete kitchen countertops.

I used two coats of the 511 Impregnator Sealer on the white grout between my porcelain floor tiles in my kitchen. Despite frequent cleaning, it wasn't long before the grout became discolored, until now where it is black. Would the 511 Porous Plus be more effective in keeping the dirt out of the grout? If I should apply the Porous Plus, how do I prepare the grout after I clean it?

How many sq feet does a pint cover?

It depends on what you are sealing. For slate, flagstone and Saltillo about 250-300 sq. ft. per quart. For polished stone--granite, marble --likely 1000 sq. ft. per quart. For slate I use about 1 Qt. per 300 sq. ft. A bit more with Travertine. It does a great job. I recommend their cleaner prior to sealing. A Pint of the cleaner goes a long way. Hope this helps.

I used this to seal marble tile and grout. I had used another product in my other shower which worked fine with my kitchen granite counter tops, but marble and grout are more porous. After applying this product two time with paintbrush and then wiping down five minutes afterwards with moist towel, my shower was sealed real nice. I even went back and re-did my other shower. I found it best to pour a little bit in cup and apply in uniform direction with brush and wiping down in same direction. This stuff is top notch, but open a window or turn on an exhaust fan as it has a potent smell.

Can this be used effectively on a slate floor?

According to the instruction label on the back of the product, yes, it can be used on a slate floor.

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511 Porous Plus Penetrating Stone & Tile Sealer, Gallon | Deep penetrating stain & water protection for porous materials - natural stone, slate, travertine, limestone , tile & grout.

Product ID: 268991412

Details

Brand
Miracle
Item Weight
7.1 pounds
Item dimensions L x W x H
4.25 x 7 x
Material
Polymer-based
Style
Sealer

🌞UV transparent, weatherproof

💧Deep water & stain resistance

🛡️4,000 sq ft coverage

$479.87

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Seal Smart, Live Stylish: Protect Your Surfaces Like a Pro!

ALL WEATHER SHIELD - UV transparent formula resists fading and weather damage, ideal for indoor and outdoor use.
SLIP RESISTANT SAFETY BOOST - Enhances surface hardness and reduces slipperiness, elevating safety in high-traffic areas.
FOOD SAFE EASY APPLICATION - Non-yellowing, oil and water resistant formula safe around kitchens and food prep zones.
MASSIVE COVERAGE MAXIMUM VALUE - One gallon seals up to 4,000 sq ft, perfect for large projects or multiple spaces.
INVISIBLE ARMOR FOR POROUS SURFACES - Creates a clear, breathable barrier that protects without altering natural stone or tile aesthetics.

Miracle Sealants 511 Porous Plus is a premium penetrating sealer designed for porous natural stone, tile, and grout. It offers deep stain and water protection with a UV transparent, weather-resistant formula that covers up to 4,000 sq ft per gallon. This invisible barrier enhances surface durability and slip resistance without changing the natural look, making it perfect for both indoor and outdoor applications, including food prep areas.

Specifications

ASIN	B000VX5FVK
Best Sellers Rank	#15,893 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #68 in Hardware Sealers
Brand Name	Miracle Sealants
Color	Yellow
Compatible Material	Terracotta
Customer Reviews	4.5 4.5 out of 5 stars (1,334)
Included Components	511 Porous Plus Sealer
Item Dimensions	4.25 x 7 x 11.5 inches
Item Form	Liquid
Item Weight	7.1 pounds
Manufacturer	Rust-Oleum
Material Type	Polymer-based Liquid
Model	PLUSGAL4
Number of Items	1
Part Number	PLUSGAL4
Style Name	Sealer
Surface Recommendation	Tile
UPC	753927511271
Unit Count	128 Fluid Ounces
Water Resistance Level	Water Resistant

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$479.87

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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