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 946ml (US QT) The Best Performing Penetrating Sealer on the Planet

511 Porous Plus 946ml (US QT) The Best Performing Penetrating Sealer on the Planet

Product ID: 49062048

Details

Brand
Miracle
Item dimensions L x W x H
13.2 x 13.2 x
Item weight
794 g
Material
Silicone
Style
Compact

⚡Ultra high coverage efficiency

🌞UV transparent for lasting protection

🛡️Superior weather & water resistance

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€ 195.45

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Seal the deal with the ultimate invisible armor for your surfaces!

INVISIBLE UV SHIELD - UV transparent formula preserves natural color while blocking harmful sun damage.
FOOD SAFE CONFIDENCE - Approved for food-contact areas, making it perfect for kitchen backsplashes and countertops.
VERSATILE APPLICATION - Safe for interior & exterior use on wood, stone, concrete, metal, and glass—one sealer to rule them all.
MAXIMIZED COVERAGE POWER - Covers up to 4000 sq. ft. per gallon on polished surfaces—less product, more protection.
UNMATCHED SURFACE DEFENSE - Protects porous surfaces from stains, moisture, and wear with advanced silicone technology.

Miracle Sealants 511 Porous Plus is a premium penetrating sealer designed for both interior and exterior porous surfaces. Its advanced silicone formula offers superior water and weather resistance, UV transparency, and exceptional coverage—up to 4000 sq. ft. per gallon on polished surfaces. Safe for use in food areas and compatible with wood, stone, concrete, metal, and glass, it protects surfaces from stains and moisture while enhancing durability and maintaining natural appearance.

Specifications

ASIN	B000VX97SM
Best Sellers Rank	478,775 in DIY & Tools ( See Top 100 in DIY & Tools ) 4,371 in Sealers
Brand	Miracle Sealants
Colour	Clear
Compatible Material	Wood, Concrete, Stone, Metal, Glass, Porous Surfaces
Customer Reviews	4.5 out of 5 stars 888 Reviews
Global Trade Identification Number	00753927511264
Item Dimensions	13.2 x 13.2 x 5.8 centimetres
Item Form	Liquid
Item Weight	1.75 Pounds
Item dimensions L x W x H	13.2 x 13.2 x 5.8 centimetres
Item weight	1.75 Pounds
Manufacturer	Miracle Sealants
Manufacturer Part Number	PLUSQT6
Material	Silicone
Model Number	PLUSQT6
Number of Items	1
Style	Compact
Style Name	Compact
Surface Recommendation	Glass, Metal, Polished Stone, Wood, Concrete, Masonry
UPC	753927511264
Unit Count	946.0 millilitre
Water Resistance Level	Water Resistant
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

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

A**S

excelente

1.09.2019

C**P

Great product

Excellent sealer for mosaic stone tiles prior to installation. Very easy to apply.

23.03.2026

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