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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Miracle Sealants PLUSGAL4 511 Porous Plus Sealer, Gallon

Miracle Sealants PLUSGAL4 511 Porous Plus Sealer, Gallon

Product ID: 601362113

Details

Brand
Miracle
Item dimensions L x W x H
10.8 x 17.8 x
Item weight
7.12 Pounds
Material
Silicone
Style
impregnating

🌊Water & stain resistant

📏Covers up to 4,000 sq ft/gallon

🛡️Invisible protective barrier

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€ 932.93

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Description

🛡️ Seal the deal with invisible strength and lasting style!

FOOD SAFE UV TRANSPARENT - Safe around food prep areas and resists weathering without compromising surface appearance.
MASSIVE COVERAGE EFFICIENCY - One gallon seals up to 4,000 sq ft, maximizing your investment and minimizing reapplication.
SLIP RESISTANT SAFETY BOOST - Enhances surface hardness and reduces slipperiness for safer living and working spaces.
ULTIMATE WATER STAIN DEFENSE - Oil and water resistant formula repels moisture and tough stains, indoors and out.
INVISIBLE ARMOR FOR POROUS SURFACES - Creates a transparent, durable shield that preserves natural stone beauty without yellowing.

Miracle Sealants PLUSGAL4 511 Porous Plus Sealer is a premium silicone-based penetrating sealer designed for porous surfaces like terracotta, sandstone, and grout. It forms an invisible, water- and stain-resistant barrier that protects up to 4,000 square feet per gallon, enhances slip resistance, and maintains the natural look without yellowing. Ideal for both indoor and outdoor use, it’s safe around food prep areas and withstands UV and weather exposure.

Specifications

ASIN	B000VX5FVK
Brand Name	Miracle Sealants
Color	Yellow
Compatible Material	Terracotta
Customer Reviews	3.9 3.9 out of 5 stars (11)
Item Dimensions	10.8 x 17.8 x 29.2 centimeters
Item Form	Liquid
Item Weight	3.23 kg
Manufacturer	Rust-Oleum
Material Type	Silicone
Model	PLUSGAL4
Number of Items	1
Part Number	PLUSGAL4
Style Name	impregnating
UPC	753927511271
Unit Count	128 Fluid Ounces
Water Resistance Level	Water Resistant

Reviews

Z**Z

Excelente producto para sellador

25.07.2023

E**Y

Great product that just works. Wanted a porous sealer for our arctic white marble pool deck. Seems like we just look at these pavers and they stain from everything from just dirt to pine needles. Did not want to change the appearance to have any gloss or darkening. Applied yesterday and completely satisfied with results See before and after photos of water sealing after first coat and plan to do 2 as instructed. Only need to see if this product lasts

6.04.2025

R**Z

Dried with white heavy film that is difficult to remove

8.03.2026

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€ 932.93

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In stock

Sold byAmazon CroatiaDelivered 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 Croatia.

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