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 Plus QT SG 511 Porous Plus Penetrating Sealer, Quart

Miracle Sealants Plus QT SG 511 Porous Plus Penetrating Sealer, Quart

Product ID: 297533963

Details

Brand
Miracle
Item Weight
794 g
Item dimensions L x W x H
13.2 x 13.2 x
Material
As shown in
Style
Compact

💧Moisture & stain resistant barrier

📏Covers up to 4000 sq. ft. per gallon

☀️UV transparent for outdoor durability

713.62 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💎 Seal the deal with invisible power – protect your surfaces like a pro!

FOOD SAFE FINISH - Safe for use in food prep areas, combining protection with peace of mind
ALL WEATHER WARRIOR - Weather and UV resistant for interior & exterior use
EFFORTLESS ELEGANCE - Easy application with superior coverage up to 4000 sq. ft./gal
SLIP RESISTANT SAFETY - Hardens surfaces making them less slippery and more durable
INVISIBLE SHIELD VISIBLE CONFIDENCE - Penetrates porous surfaces without altering natural look

Miracle Sealants Plus QT SG 511 Porous Plus Penetrating Sealer is a high-performance, invisible barrier sealer designed for porous surfaces. It resists moisture, stains, and UV damage while allowing vapor to escape, preserving the natural look and texture. Suitable for both interior and exterior use, it offers superior coverage (up to 4000 sq. ft. per gallon on polished surfaces) and enhances surface hardness and slip resistance. Food-safe and easy to apply, it’s the ultimate choice for professionals and homeowners seeking durable, long-lasting protection.

Specifications

ASIN	B000VX97SM
Best Sellers Rank	#78,542 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #52 in Adhesive Caulk
Brand	Miracle Sealants
Brand Name	Miracle Sealants
Colour	As shown in the image
Compatible Material	Porcelain
Customer Reviews	4.5 out of 5 stars 894 Reviews
Global Trade Identification Number	00753927511264
Importer Contact Information	MROkart, Jaipur. Call +91-9116577756
Included Components	1 x Sealer
Item Dimensions	13.2 x 13.2 x 5.8 Centimeters
Item Form	Liquid
Item Type Name	Sealer
Item Weight	1.75 Pounds
Item dimensions L x W x H	13.2 x 13.2 x 5.8 Centimeters
Manufacturer	Miracle Sealants
Manufacturer Part Number	PLUSQT6
Material	As shown in the image
Material Type	As shown in the image
Model	PLUSQT6
Number of Items	1
Packer Contact Information	?Rust-Oleum
Style	Compact
Style Name	Compact
Surface Recommendation	Tile
UPC	753927511264
Unit Count	1 Count
Water Resistance Level	Water Resistant

Reviews

B**O

Awesome

I have natural stone tiles on my kitchen wall, behind the stove as a backslash as well. The contractor was just not professional enough to know that this was supposed to be treated with sealant to prevent the oil and other stains being sucked up by the stone what ended up on the wall while cooking. I have not spilled anything directly on it but it is normal when food is boiling on the stove to have humidity and stuff evaporate... A have suffered removing the residue. Didn't dare to cook again and ruin the wall again. After I have treated the tiles with this product nothing sticks in/on the tiles any more. I can truly recommend. Would do the job with paint and kitchen counter as well. However it made the color slightly darker, which I do not mind. Its nice and even.

3.05.2021

A**D

Una maravilla

Muy poderoso , concentrado rinde mucho !

7.09.2019

K**M

Easy but stinky.

Very easy to use. Seemed to adhere to my limestone back splash. As for durability so far it’s good. Splashes from the sink wipe off without a problem. I have to say if you are sensitive to smells this really has a strong odor when putting it on.

26.04.2026

A**S

excelente

1.09.2019

B**L

Repels water somewhat.

My wife forced me to install unfilled travertine in our tub/shower walls and after grouting the tile and holes I sealed with this stuff. 2 coats. Grout and tiles darken but when the sealant dries/cures the grout color returns. Maybe overall a bit darker than before sealing but looks better, without looking rich like some sealers that "enhance" the tile and grout for that always wet look. I'll have to seal every 6 months or sooner but that's because of the tile choice we made. Good product.

28.03.2026

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