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Foundation Armor

For more than a decade, Foundation Armor has been manufacturing and distributing sealers and coatings to homeowners and contractors.

Foundation Armor is a multi-generational family owned and operated business. Our brand very closely aligns with our values, and represents honesty, quality, and reliability. In every conversation, our priority is to provide our customers with the information they need to make the best purchasing decision for their project.
PRO-Grade Sealers & Coatings

Foundation Armor manufactures more than 59 products for enhancing, sealing, cleaning, and protecting concrete, stone, brick & pavers.
Top Rated Exterior Sealers

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Penetrating Sealers

Our PRO-Grade penetrating sealers are used to seal everything from driveways to bridge decks! Protect against water, snow, ice, salt!
Penetrating Sealers

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Wet Look Sealers

Our PRO-Grade wet look sealers will dramatically enhance and protect a variety of concrete and paver surfaces.
Wet Look Sealers

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High Gloss Sealers

Our PRO-Grade high gloss sealers are designed to enhance and protect concrete and paver surfaces with a lasting high gloss finish.
High Gloss Sealers

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Interior Concrete Coatings

Our PRO-Grade interior coatings are designed to enhance and protect concrete against oil, gas, and chemicals.
Interior Concrete Products

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Additional Great Products

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Armor Roller Kits & Cleaners

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Product Description

PRO-Grade, Ready To Use

Armor L3000 Lithium Silicate Densifier

The Armor L3000 is a fast-acting lithium silicate concrete densifier and surface hardener. It chemically reacts with the free lime and calcium in the concrete to form a permanent calcium silicate hydrate (CSH) structure within the pores. The CSH formed can increase the strength and density of the concrete by up to 45%.

Benefits

Increases Strength & Density

The permanent CSH structure formed in the pores can increase the strength and dusting by up to 45%. The CSH structure formed is permanent!

Reduces Concrete Dusting

By increasing the strength and density of the concrete, concrete dusting caused by surface abrasion is also reduced.

Reduces Subsurface Moisture

By increasing the density of the concrete, the movement of subsurface water and moisture is also reduced.

Increases Shine When Polishing

When used as part of the polishing process, will increase the strength, density, and shine of the concrete making for a stronger, more durable finish.

More Benefits

Reduces Efflorescence

By restricting pore size, the movement of efflorescence through the pores of the concrete can also be reduced.

Reduce Cracking

By increasing the strength and density of the concrete, cracking from weak concrete can also be reduced.

Reduces Salt Damage

By increasing the strength and density of the concrete, damage caused by salt damage is also reduced.

Powerful Combo

When applied 7+ days before a water repellent sealer, like the SX5000 WB, your concrete will have protection above and below the surface.

Uses

The Armor L3000 can be used on a variety of unsealed concrete surfaces including:

Concrete driveways, walkways, and patios
Concrete floors such as basement floors and warehouse floors
Concrete walls such as concrete panels, retaining walls, and basement walls

Please note, the Armor S2000 is designed specifically for use on unsealed poured concrete only.

How To Apply

Preparation

Protect all people, property, and plants in case splash and wind drift could occur. Do not apply to any surface that is dirty, frozen, or heavily saturated or flooded with water. Surface must be clean and free of all debris, dry, and absorbent. Mist water in a small area to test the surface for absorbency. Any surface to be treated should uniformly wet out. If the surface to be treated does not wet out uniformly, it is then recommended to prepare the surface mechanically to remove any remaining surface contaminants.

Application

New (Uncured) Concrete: It is not traditionally recommended to apply Armor L3000 to concrete earlier than 7 days. If this application is necessary, ensure the removal of all soft cut saw debris prior to application. Apply after final troweling at a rate of 300-400 sq. ft. per gallon using a commercial grade pump sprayer with a 0.3-0.5 gal./min. cone tip, lint free mop, or soft bristle push broom. Ensure floor saturation, removing any puddle areas with a soft bristle push broom or mop. Apply more Armor L3000 to areas that appear to be more porous and are absorbing the material more. If excess Armor L3000 is allowed to dry on the concrete surface, a white residue may form and can only be removed by mechanical means such as sanding or grinding process.

Existing Concrete: Apply at a rate of 200-300 sq. ft. per gallon using a commercial grade pump sprayer with a 0.3-0.5 gal./min. cone tip. Ensure floor saturation, removing any puddle areas with a soft bristle push broom. Apply more Armor L3000 to areas that appear to be more porous and are absorbing the material more. Rework any excess material with a soft bristle broom. If excess Armor L3000 is allowed to dry on the concrete surface, a white residue may form and can only be removed by mechanical means such as sanding or grinding process.

Polished Concrete: After completing the 400 grit stage of polishing, apply a uniform coat of Armor L3000 at a rate of 200-300 sq. ft. per gallon using a commercial grade pump sprayer with a 0.3-0.5 gal./min. cone tip, lint free mop, or soft bristle push broom, ensuring floor saturation. Do not allow to puddle. If excess Armor L3000 is allowed to dry on the concrete surface, a white residue may form and can only be removed by mechanical means such as sanding or grinding process. Follow through with additional polishing steps until desired appearance is achieved. Additional applications of Armor L3000 can be added at any stage before the final polishing phase is done if necessary at a rate of 200-300 sq. ft. per gallon. Remove any excess residue with polishing diamonds or polishing pads. Flushing with water is not necessary. Note: For softer concrete an initial application of Armor L3000 can be applied after the 80 grit stage prior to the standard polishing steps to achieve a harder surface.

Clean-Up

Use warm water and soap. Dispose of containers in accordance with local and federal regulations.

Product Removal

Once the Calcium Silicate Structure (CSH) has hardened within the pores it can not be removed unless the concrete itself is removed.

Coverage

Porous Surfaces: One gallon will cover up to 175-200 FT2 in one coat.

Smooth Surfaces (once properly prepped): One gallon will cover up to 300-400 FT2 in one coat.

Coverage will vary depending on porosity, surface condition, application method, and the amount of material applied by the applicator. The above coverage rates are estimates and will vary.

Compare To Other Foundation Armor Products

Armor S2000

Armor L3000

Armor SX5000 WB

Sodium Silicate Densifier

For increasing the strength and density of poured concrete.

Lithium Silicate Densifier

For increasing the strength & density of poured concrete.

Silane Siloxane Sealer

Reduces surface water absorption, and repels water and other liquids.

Uses

For unsealed poured concrete only.

Uses

For unsealed poured concrete only.

Uses

For unsealed concrete, brick, pavers, stone. Can be applied over densifiers.

Large Resin Size

Makes the S2000 a great choice for porous concrete.

Small Resin Size

Makes the L3000 a great choice for concrete polishing and dense concrete.

Hydrophobic

Makes the SX5000 WB a great choice for many concrete and masonry applications.

Product information

Technical Details

Material

‎Silicone

Brand

‎Foundation Armor

Style

‎Compact

Item Weight

‎10 Pounds

Item Dimensions LxWxH

‎14 x 5 x 12 inches

Compatible Material

‎Concrete

Item Form

‎Liquid

Color

‎Clear

Surface Recommendation

‎Floor

Manufacturer

‎Foundation Armor

Part Number

‎L30001GAL

Item Weight

‎10 pounds

Product Dimensions

‎14 x 5 x 12 inches

Item model number

‎L30001GAL

Is Discontinued By Manufacturer

‎No

Size

‎1 Gallon (makes 2 gallons)

Item Package Quantity

‎1

Batteries Included?

‎No

Batteries Required?

‎No

Additional Information

ASIN

B007NMJKPE

Customer Reviews

4.4 82 ratings

4.4 out of 5 stars

Best Sellers Rank

#661,631 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
#1,000 in Hardware Sealers

Date First Available

March 22, 2012

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.

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	This Item Foundation Armor 1-Gal. L3000 Ready to Use Water-Based Lithium Silicate Densifier, Hardener, and Sealer for Concrete & Masonry	Recommendations Cryli-Tek 5505-5 Gallons Solvent Based Acrylic High Gloss Wet Look Water Repellent, Concrete Sealer and Paver Sealer	dummy Siloxa-Tek 8500 Ultra Concentrate - 1 Gallon (Makes 5 GALLONS) Penetrating Concrete Sealer Water and Salt Repellent. Clear Water-Based DOT Approved Silane/Siloxane for Concrete Brick Masonry & Pavers	dummy Sealer ONE - 5 Gallon - for All Porous Concrete, Brick, Stone & Masonry	dummy Sealer ONE - 1 Gallon - for All Porous Concrete, Brick, Stone & Masonry	dummy S2000 Ready-to-Use Sodium Silicate Concrete Sealer Densifier and Surface Hardener 16 OZ Sample
	Buying options	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart
Price	—	$249.88	$229.88	$200.76	$43.35	$19.99
Delivery	—	Get it May 1 - 3	Get it May 1 - 3	Get it as soon as Monday, May 6	Get it as soon as Monday, May 6	—
Customer Ratings	4.482	4.6100	4.7382	5.01	5.03	4.156
Easy to use	5.0	4.7	4.8	—	—	—
Water resistance	5.0	4.8	4.8	—	—	—
Style	4.2	5.0	4.6	—	—	—
Sold By	—	Concrete Sealer Supply	Concrete Sealer Supply	Amazon.com	Amazon.com	Foundation Armor
material	Silicone	Acrylic	Silane/Siloxane	Silicone	Silicone	Silicate
form	Liquid	Liquid	Liquid	Liquid	Liquid	Liquid
surface suggestion	Floor	—	Concrete, Brick, Masonry, Stone	—	—	Concrete
compatible material	Concrete	Concrete, Stone	Stone	Concrete, Stone	Concrete, Stone	Concrete
stain resistant	✓	✓	✓	✓	✓	—
water resistance	—	—	waterproof	water repellent	water repellent	—
weight	10 pounds	—	8.65 pounds	50 pounds	10 pounds	16 ounces
style	Compact	Compact	Siloxa-Tek 8500 Ultra Concentrate	Compact	Compact	S2000

Customer reviews

4.4 out of 5

82 global ratings

How customer reviews and ratings work

Customers say

Customers like the ease of application of the sealant. They mention that it works well to prevent dusting and make the concrete stronger. They also appreciate the high quality of the product and say it works great to seal the area. Customers are also happy with durability, performance, and appearance.

AI-generated from the text of customer reviews

28 customers mention28 positive0 negative

Customers find the sealant easy to apply. They say the instructions are good and the product goes on simple and easy. Customers also mention that it's easy to mix and clean up.

"...Cleaning that up with a brush attachment on my wet/dry vac was quick, easy and most importantly clean. Dusting problem solved with one application...." Read more

"...It is easy to apply, really has no smell, and is pretty easy to clean up. I used a garden sprayer and a broom to spread it...." Read more

"...This product applied easily & quickly with the cheap ferilizer sprayer and cut down on the dust." Read more

"...Delivery was quick. Directions were straight forward. It’s easy to apply. I used a pump sprayer...." Read more

20 customers mention15 positive5 negative

Customers like the dust free sealant. They say it reduces dusting significantly without making the floor shiny. Some customers say the product works well to prevent dusting and make the concrete look great.

"...Dusting problem solved with one application. I gave a good sanding to get the color consistency I wanted and reapplied the hardener...." Read more

"This product is excellent for minimizing the dusting from unsealed concrete and strengthening it...." Read more

"...applied easily & quickly with the cheap ferilizer sprayer and cut down on the dust." Read more

"...the surface in my 20 foot long test section has remained dust free and the surface feels harder when I try to scratch it...." Read more

13 customers mention13 positive0 negative

Customers are satisfied with the quality of the sealant. They mention it's a high-quality product, works great to seal the area, and stops moisture from coming up through the floor. Additionally, they say the dusting is minimal and the humidity in the basement is significantly reduced.

"...Dusting is minimal and humidity in the basement is significantly reduced...." Read more

"...Condensate was eating the concreate.It worked great to seal the area!" Read more

"...Have held up well. Good product, had a question and CS was spot on. Will use again. Follow directions." Read more

"...Great product." Read more

9 customers mention9 positive0 negative

Customers are satisfied with the durability of the sealant. They mention that it makes the concrete stronger, stops crumbling, and holds up well. Some say that it hardens the basement foundation and fills in hairline cracks.

"...being said, the product works well to prevent dusting and make the concrete stronger...." Read more

"...It has been holding up great. With all the forklift and pallet traffic and no gouges or chipping I was impressed...." Read more

"...After I was finished the difference was obvious. The pitted areas are much more resilient now...." Read more

"Liked the ease of use. Used on my concrete driveway. Filled in hairline cracks leaving a smooth surface." Read more

8 customers mention8 positive0 negative

Customers are satisfied with the performance of the sealant. They mention that it is easy to use, works as described, and produces excellent results. Some say that it works well on cinder blocks that were crumbling.

"...problems and recommend this product for its ease of use and excellent results" Read more

"...We are very happy with the results...." Read more

"Worked really well on some cinder blocks that were crumbling. Stopped the crumbling and was able to paint over them. Have held up well...." Read more

"...I applied product twice and results are great, no issue with application, I did get a bit of powdery substance, but vacuumed easy, and one last..." Read more

5 customers mention5 positive0 negative

Customers are satisfied with the appearance of the sealant. They mention that it does not discolor and still looks natural. Some say that it reduces shine without making the floor shiny.

"...The dusting was reduced significantly, without making the floor shiny or anything..." Read more

"...After a day of drying it now has a matt finish and definitely not dusty anymore...." Read more

"...The concrete I applied it to did not discolor and still looked natural...." Read more

"...Hardened basement foundation so we were able to apply paint. Looks great! Very easy to use." Read more

4 customers mention4 positive0 negative

Customers like the smell of the sealant. They mention it's easy to apply, has no smell, and is pretty easy to clean up.

"...It is easy to apply, really has no smell, and is pretty easy to clean up. I used a garden sprayer and a broom to spread it...." Read more

"...No smell, no special considerations and it dries quickly. Only time will tell if it holds up but for now I would consider buying again." Read more

"Very easy to use and no noticeable smell. It saved 200 sqft of dusting concrete caused by over working with lead water present. Would buy again." Read more

"I used this product in my musty crawl space and now it doesn't smell musty anymore. It was easy to apply...." Read more

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bryce seamons

Fixed my “dusty” concrete problem

Reviewed in the United States on October 7, 2020

Verified Purchase

Start by saying this purchase was an attempt to fix my mess up. My first attempt at concrete countertops went as expected. In that there are things I would do differently the next time.

I mixed a straight Portland cement/color slurry to fill air bubbles and cracks which worked great. I decided I loved the color of the slurry so much I would cover the entire project with the same mix and sand it smooth. Got the color I wanted, but Portland cement doesn’t set as hard as needed. The counter was always “dusty” at that point. No matter how much cleaned the surface I couldn’t run my hand across without having dust (Portland cement/color) come off on my skin. Enter this hardener.

I had hoped this would fix the dusty problem so the surface would be durable enough for a clear epoxy coat. I was pleasantly surprised (yet skeptical) that the dilution rate was 1:3 whereas other hardeners I looked at were 1:1. I followed the instructions and mixed 1 part hardener to 3 parts warm water and applied with a chemical resistant spray bottle. The instructions stated to brush off excess after a half an hour with a hard bristle brush. I had just got off a 12 hour shift and couldn’t be bothered with that. When I woke up the initial coat was dry and excess solution had crystallized on the surface. Cleaning that up with a brush attachment on my wet/dry vac was quick, easy and most importantly clean. Dusting problem solved with one application. I gave a good sanding to get the color consistency I wanted and reapplied the hardener.

Ultimately this hardener was as expensive as the high strength concrete I bought for the job. And I wouldn’t hesitate to use it for every concrete project I do in the future.

One person found this helpful

Helpful

gogo

Very Good Stuff

Reviewed in the United States on May 14, 2020

Verified Purchase

This product is excellent for minimizing the dusting from unsealed concrete and strengthening it.

I originally investigated Foundation Armor's Sodium SIlicate (L2000) for sealing the pores in concrete to minimize radon infiltration. I was also considering RadonSeal brand which is the same Sodium Silicate, just pre-mixed with water already.

I found that Lithium Silicate (this stuff, the L3000 product) is slightly better than sodium silicate since it makes a tighter seal.

However, my opinion is that while this may help a little (since it does reduce the spaces in the concrete) it is really not the correct solution to radon. Just to be clear, I wouldn't count on RadonSeal either... you need to have a radon exhaust system installed.

That being said, the product works well to prevent dusting and make the concrete stronger. It is easy to apply, really has no smell, and is pretty easy to clean up. I used a garden sprayer and a broom to spread it.

Also, their customer service is excellent. I called and spoke to them about my application before doing the job and they were not only knowledgeable, but very customer oriented. I have no connection to the company, except that I have used the product and found it works well.

4 people found this helpful

Helpful

Rob A Ergonis

Cuts down on the dusting

Reviewed in the United States on November 4, 2020

Verified Purchase

recently removed my tile floor and will be installing a wood "Glue Down" floor in the year to come. Have kids and was concerned with the level of dust that would be in the air if we lived on the slab untreated.
Needed a product that would stop the dusting of the freshly ground concrete slab and not give any adhesion issues with the glue I'll be using for my wood floors down the road. This product applied easily & quickly with the cheap ferilizer sprayer and cut down on the dust.

Helpful

Sixpacktux

Quick delivery And no fuss application

Reviewed in the United States on July 23, 2023

Verified Purchase

Used this product to seal a new garage slab. Delivery was quick. Directions were straight forward. It’s easy to apply. I used a pump sprayer. Recommended quantity was accurate for a fresh concrete slab which was a relief.

Helpful

Frank

A GREAT product for soft concrete slabs

Reviewed in the United States on March 20, 2017

Verified Purchase

the concrete floor I used this on was very poorly installed. Consequently the surface was very soft and continued to release concrete dust and exposing the aggregate. I first swept it as much as I could, then vacuumed the whole floor to remove all the cement dust I could. I mixed this product three to one and sprayed the floor to cover, just wetting the surface. After it dried I applied a second coat. the surface in my 20 foot long test section has remained dust free and the surface feels harder when I try to scratch it. I am purchasing a second gallon to finish the floor as I didn't have enough to second coat everything. I will use this again at other projects that may have similar problems and recommend this product for its ease of use and excellent results

5 people found this helpful

Helpful

Joseph B. Deckard

Don't use on pavers or anything that you don't mind a chalky substance on.

Reviewed in the United States on June 14, 2019

Verified Purchase

I sprayed this on my pavers after they were installed, big, big, big mistake. The pavers were a nice semi-dark brown and now they are a very, very which color. Spent over $9,000 on a new paver job and I complete messed it up by installing this. Then again I read something after installation that mentions this in their documentation, my fault sense I did not thoroughly read the documentation.

One person found this helpful

Helpful

Emery

Great product - solved my problem!

Reviewed in the United States on May 31, 2023

Verified Purchase

I had a back patio that was just always powdering up with concrete dust (I think the concrete mix was not mixed properly by the builder). We dealt with tracking in the powder on our hardwood floors for over a year. I'd power washed it several times and scraped it down with a big floor orbital cleaner machine with abrasive pad on it and none of it seemed to help the issue. Then I got this Armor L3000 and viola, problem solved. Just taped plastic to protect brick and windows then used a garden sprayer to apply it. Follow the instructions they send - that's key. But overall, it was easier than any of my other failed ideas!

Reviewed in the United States on July 18, 2023

Verified Purchase

Bought this product in 2022 and it was great. I clicked the link in my order history to get more and it isn’t the same material. Same price. The current product is ‘ready to use’ not concentrate and is watered down.

Helpful

Foundation Armor 1-Gal. L3000 Ready to Use Water-Based Lithium Silicate Densifier, Hardener, and Sealer for Concrete & Masonry

About this item

Additional Details

Customer ratings by feature

Videos for similar products

From the brand

Foundation Armor

PRO-Grade Sealers & Coatings

Top Rated Exterior Sealers

Penetrating Sealers

Penetrating Sealers

Wet Look Sealers

Wet Look Sealers

High Gloss Sealers

High Gloss Sealers

Interior Concrete Coatings

Interior Concrete Products

Additional Great Products

Armor Roller Kits & Cleaners

Product Description

Armor L3000 Lithium Silicate Densifier

Benefits

Increases Strength & Density

Reduces Concrete Dusting

Reduces Subsurface Moisture

Increases Shine When Polishing

More Benefits

Reduces Efflorescence

Reduce Cracking

Reduces Salt Damage

Powerful Combo

Uses

How To Apply

Coverage

Compare To Other Foundation Armor Products

Armor S2000

Armor L3000

Armor SX5000 WB

Sodium Silicate Densifier

Lithium Silicate Densifier

Silane Siloxane Sealer

Uses

Uses

Uses

Large Resin Size

Small Resin Size

Hydrophobic

Videos

Product information

Technical Details

Additional Information

Warranty & Support

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