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5 Gal. 100% Acrylic Roof and Wall Primer Sealer with Crack Penetration for Leak Prevention

  • Penetrate and waterproof concrete surfaces to prevent leaks
  • Prime and seals chalky surfaces to increase adhesion
  • Designed for use in residential, architectural and commercial
  • See More Details

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Product Overview

A 100% acrylic polymer elastomeric roof primer and sealer of constant flexibility for crack resistance. This clear primer and sealer penetrates concrete to waterproof it and stops leaks thoroughly. The product also protects exposed architectural concrete, aggregate sidewalks and ornamental stone.
  • Primer to seal roofs, wall or surfaces
  • Protects against alkalinity and efflorescence problems
  • Excellent anchoring and penetration to the surface
  • 100% clear and flexible
  • To be covered with water-based finishes or roof coatings
  • Seals cracks, pores and leaks
  • Apply to surfaces with chalk
  • Coverage: 300 sq. ft. to 350 sq. ft. (32 m) per gallon (4.5 wet mils, 1.1 dry mils)
  • Quick dry time
  • Excellent alkalinity resistance
  • Made in the USA
  • California residents

Info & Guides

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Specifications

Dimensions

Product Depth (in.)
12
Product Height (in.)
12.75
Product Weight (gal)
5
Product Width (in.)
12

Details

Application Method
Brush On,Roll On,Spray On
Coating Base
Acrylic
Cold Applied
Non Cold Applied
Features
Paintable,Quick Dry,Waterproof
Returnable
90-Day
Roof Repair Type
Roof Sealant
Roofing Product Type
Primer
Surface Recommended
Concrete Roofs,Concrete/Masonry

Warranty / Certifications

Manufacturer Warranty
Satisfaction Guaranteed

Questions & Answers

31Questions15Answers

How many years can it last?

Asked by liz May 22, 2021
1
Answer

Hi Liz, the Acrylic Primer SealerTM is a 100% acrylic polymer elastomeric primer specially designed to penetrate and waterproof concrete to prevent water infiltration throughout the roof or wall surface. Acrylic Primer SealerTM is specially formulated to penetrate and seal internal cracks and porous surfaces such as concrete. Also recommended to seal and protect exposed architectural concrete exposed aggregate sidewalks, ornamental stone and precast concrete. Remember this is a primer you should apply a topcoat, and depending on the topcoat you use that is the amount of years it would last.

Can I use this on tin

Asked by Root April 27, 2021
1
Answer

Hi Root, unfortunately this product will not work on tin. The Acrylic Primer SealerTM is specially formulated to penetrate and seal internal cracks and porous surfaces such as concrete. Also recommended to seal and protect exposed architectural concrete exposed aggregate sidewalks, ornamental stone and precast concrete.

Can this be used on metal flat roof?

Asked by Fran April 27, 2021
1
Answer

Hi Fran, the Acrylic Primer SealerTM cannot be used in a metal flat roof as it is specially formulated to penetrate and seal internal cracks and porous surfaces such as concrete. Also recommended to seal and protect exposed architectural concrete exposed aggregate sidewalks, ornamental stone and precast concrete.

Can this be applied to a clean wood roof to seal before. Applying self sealing Gaf roofing rolls

Asked by Azdave44 April 27, 2021
1
Answer

Hi Azdave44, the Acrylic Primer SealerTM cannot be used on a clean wood roof as it is specially formulated to penetrate and seal internal cracks and porous surfaces such as concrete. Also recommended to seal and protect exposed architectural concrete exposed aggregate sidewalks, ornamental stone and precast concrete.

Would this be a first coat before sealing or a finishing coat after sealing? (Urethane roof coating)

Asked by Allan October 4, 2020
2
Answers

First coat to fill cracks. It's a milky liquid, drys glossy.

can I put this coating over Henry's Tropicool(100% silicone) then use regular acrylic paint over this coating?

Asked by barefootAZ September 29, 2020
2
Answers

You would save more money selecting a silicone product with numerous available colors such as the Gaco brand. You would need to buy an acrylic or a sealer

I intend to use it for a roof line crack that is permitting some water. Can it support high temp?...

Asked by Carlos September 24, 2020
1
Answer

Hi Carlos, Yes the Lanco Acrylic Primer and Sealer is a 100% acrylic polymer for use as an elastomeric roof & wall primer, specially designed to penetrate and waterproof concrete surfaces to prevent water infiltration throughout surface. It is perfectly formulated to create the perfect conditions for the application of the Lanco Urethanizer.

I have used this to seal our concrete walls... Can i now apply a layer of polished cement over this product? Or do we need some bonding agent?

Asked by Amanda September 17, 2020
1
Answer

Hello Amanda, The right product for this type of application is the CB610. The CB610 is a concrete bonding adhesive that is used for interior or exterior plastering or plastering mix. This thick homopolymer emulsion is used to bond new to old concrete, in walls and roof ceilings.

How do I apply to ceiling and is it supposed to be thin after stirring

Asked by Dimples1961 August 27, 2020
3
Answers

Hi Dimples1961, The Lanco Acrylic Roof and Wall Primer Sealer is a 100% acrylic polymer that is used as an elastomeric roof & wall primer, specially designed to penetrate and waterproof concrete surfaces to prevent water infiltration throughout surface. The Lanco Acrylic Primer Sealer is also recommended for use on variety of properly prepared previously painted surfaces to bind light to moderate chalk (oxidation) and increase adhesion of the finish coat. It is designed for use in residential, architectural, and commercial use. The Lanco Acrylic Roof and Wall Primer is very liquified, so the primer can penetrate cracks and pores to seal it permanently.

Can I use this on a rubber roof?

Asked by missingtheocean July 23, 2020
2
Answers

I only used it on concrete roofs. create a transparent film by drying, you can buy a gallon and test

5 Gal. 100% Acrylic Roof and Wall Primer Sealer with Crack Penetration for Leak Prevention - page 2

Customer Reviews

  • 4.8
    out of 91 reviews
  • 100% recommend this product
Filter by:
Showing 1-10 of 91 reviews
Clean, easy to use, good quality.
Clean, easy to use, good quality.
by shadow1043
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by HomeDepotCustomer
Did not work You should not sell this product...
Did not work You should not sell this product
by SCOTT
Response from Lanco Product ExpertJun 3, 2021
Hi Scott, we are sorry to hear of your less than satisfactory experience. Feel free to contact Lanco's technical support team at 786-495-5944.
So far so good. Great...
So far so good. Great
by HomeDepotCustomer
by Ra
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by HomeDepotCustomer
by HomeDepotCustomer
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by HomeDepotCustomer
Very good for using before the sealant. I had severe leaks in my roof and it covered all but one...
Very good for using before the sealant. I had severe leaks in my roof and it covered all but one leak. And I believe it's a leak that's going to be difficult to fix, but I'm very pleased. I would recommend it 100%.
by Lizy
Perfect for leak prevention combined with other hardener and polyester liner.
Perfect for leak prevention combined with other hardener and polyester liner.
by Liandro
Showing 1-10 of 91 reviews