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Semco Florida
semcofl.com › home › all products › semco liquid membrane™
SEMCO Liquid Membrane™, Waterproofing Membrane for Wood, Metal and Concrete
I purchased the SEMCO waterproofing membrane and applied two coat and the Pond is staying at the correct level! – Tim H ... Ordered Liquid Membrane charcoal color and works great on my wood surface.
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Reddit
reddit.com › r/decks › semco liquid membrane question
r/Decks on Reddit: Semco Liquid Membrane Question
June 10, 2023 -

I keep seeing this product pop up on Instagram. Anyone here have experience with their product?

Once I’m done with my deck and it’s dried and in need of a sealer, this looks promising.

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semcoworks
semcoworks.com › home › semco liquid membrane™ waterproofing
SEMCO Liquid Membrane - Waterproofing Liquid Membrane
SEMCO Liquid Membrane™ Waterproofing
WATERPROOFING MADE EASY - PROFESSIONAL-GRADE MEMBRANE MADE AFFORDABLE AT ONLY $0.39 / sq ft ON A 5 GALLON PAIL.  The SEMCO Liquid Membrane™️ is a ready to use COAT|COLOR|SEAL waterproofing and anti-fracture membrane in ONE. Its hybrid elastomer blend enables easy application while providing excellent bridging, and waterproofing capabilities.
(4.9)
Price   $25.90
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Semco Florida
semcofl.com › compare-redgard-to-semco-liquid-membrane-for-waterproofing-crack-prevention
Compare RedGard to SEMCO Liquid Membrane for Waterproofing & Crack Prevention
First and foremost, it’s essential to evaluate the fundamental aspects of any waterproofing product: bond strength, elasticity, and waterproofness. In these areas, both RedGard and Semco Liquid Membrane showcase commendable performance. They both form strong bonds with substrates, ensuring a secure and durable seal against water intrusion.
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Amazon
amazon.com › SEMCO-Liquid-Membrane-Waterproofing-Multi-Surface › product-reviews › B09Y381K4G
Amazon.com: Customer reviews: SEMCO Liquid Membrane - Waterproofing Membrane - Multi-Surface Leak and Crack Repair Interior and Exterior Coating, Water-Based, Easy to Apply, 1 Pint
Easy to apply and it creates a water proof membrane as promised. Kudos to the inventor! ... John S. McMurtrie · 1.0 out of 5 stars Do not use this product on concrete Reviewed in the United States on May 22, 2023 · I am very disappointed with the Liquid Membrane product.
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Melanie Downey
melaniedowney.com › home › i tested semco liquid membrane: honest review and real results
I Tested Semco Liquid Membrane: Honest Review and Real Results
September 4, 2025 - Many users praised its strong adhesion and flexibility, which were important for my uneven roof surface. There are different variants, including waterproofing for concrete surfaces and protective coatings for metal roofs.
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Teardrops n Tiny Travel Trailers
tnttt.com › forums › general discussion › skinning secrets
Semco Liquid Membrane | Teardrops n Tiny Travel Trailers
July 31, 2021 - Anybody have any experience with this waterproofing "liquid membrane" as a top coat? https://www.semcoworks.com
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Amazon
amazon.com › SEMCO-Liquid-Waterproofing-Membrane-Water-Based › dp › B09Y667NW5
SEMCO Liquid Membrane - Waterproofing Membrane - Multi-Surface Leak and Crack Repair Interior and Exterior Coating, Water-Based, Easy to Apply, 1 Quart (Black Pearl): Amazon.com: Tools & Home Improvement
Ready to use waterproofing and crack bridging membrane · Coverage of 200-250 sq ft per gallon ( 2 coats at 0.015 inches thickness/coat) Easy to apply : with 1/2" woven nap roller, brush or spray application ... Wood : No matter if it pressure treated wood or normal timber, SEMCO Liquid Membrane can be applied on any wooden substrate to protect it from weathering and moisture damage.
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SEMCO Surfaces
semcosurfaces.com › liquid-waterproofing-membrane
Liquid Waterproofing Membrane — SEMCO Surfaces
This revolutionary blend enables easy application while providing excellent crack bridging and waterproofing for long-lasting protection. ... The SEMCO Liquid Membrane™️ is a ready-to-use waterproofing and anti-fracture membrane in one, safe to use both indoors and outdoors.
Find elsewhere
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Sawmill Creek
sawmillcreek.org › forums › forum info and community discussion › off topic forum
Any experience with liquid membrane waterproofing ? | Sawmill Creek Woodworking Community
September 6, 2023 - Pond Armor is one of the products I'm looking at, along with SEMCO Liquid Membrane™ - Waterproofing Liquid Membrane · Click to expand... That looks like an expensive PIA- read the reviews. I would use Thoroseal. There are Youtubes showing the details. The light, neutral color is good for ...
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Aqviz
aqviz.com › waterproofing › brands
6 Best Waterproofing Brands All Time
January 18, 2025 - Semco Liquid Membrane Waterproofing belongs to SemcoWorks Ltd, which is in the USA and was established in 1991. Semco Liquid Membrane has an excellent 741 reviews, and the rating is 4.99 out of 5. Semco Liquid Membrane can be applied on the ...
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Facebook
facebook.com › semcoworks
SemcoWorks.com | Las Vegas NV | Facebook
This high-performance waterproofing solution creates a seamless, UV-resistant, and flexible barrier against harsh climates—think scorching sun, heavy rain, and freezing temperatures. It reduces roof maintenance, prevents leaks and mold, and even improves energy efficiency—lowering your AC, fuel, or generator use. Perfect … ... Easy to apply, long-lasting protection. Learn how SEMCO Liquid Membrane helps full-time RVers simplify maintenance and stay on the road longer.
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RV Forum
rvforum.net › forums › rv discussions › general rv discussions
Buying advice for waterproofing | The RV Forum Community
October 27, 2021 - Hi All. I ran across this new product SEMCO Liquid Membrane (SEMCO Liquid Membrane™). I completed some research about the manufacturer and it looks like they've been doing some pretty high profile projects internationally. Saw on their website that customers have used it before on RV roofs and it looks fairly easy to apply.
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Teardrops n Tiny Travel Trailers
tnttt.com › forums › general discussion › skinning secrets
Elastic liquid membranes | Teardrops n Tiny Travel Trailers
July 26, 2022 - This stuff is different than the elastomeric liquid flashing or roof patch coating membranes I've used in my work. About this item Exterior and Interior Waterproofing - Suitable for interior and exterior applications, fully submerged in water and below grade applications. SEMCO Liquid Membrane can be used as a primary waterproofing under tiles in a shower to protect substrate from moisture damage or it can be used as finish sealer.
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Addicted 2 Decorating®
addicted2decorating.com › home › how i waterproofed my shower before tiling using semco liquid membrane
How I Waterproofed My Shower Before Tiling Using Semco Liquid Membrane - Addicted 2 Decorating®
September 17, 2021 - Thank you for mentioning this product, ... it needs waterproofing really bad. I did go out to their website, really going to research this. Can’t wait to see your new bathroom! Thanks so much. ... Thank you for this helpful product evaluation! It’s going to come in handy for us soon. ... Hi, your post is very helpful specially to people like us who are just starting and is looking for a perfect liquid membrane that cab actually do its ‘job’. I heard good reviews about Semco Liquid ...
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Photrio
photrio.com › home › forums › analog workflow forums (100% analog/traditional) › analog equipment › darkroom equipment
Semco Waterproofing membrane | Photrio.com Photography Forums
November 11, 2022 - SEMCO Liquid Membrane™️ is a versatile waterproofing liquid rubber membrane available in the USA. It forms a continuous waterproofing barrier with exceptional adhesion. SEMCO makes rubber foundation coating, foot deck coating easy to apply and proudly made in USA.
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DF Studio NYC
dfstudionyc.com › products › semco-liquid-membrane-5-gallon
SEMCO Liquid Membrane – DF Studio NYC
SEMCO Liquid Membrane
Advanced waterproofing membrane and crack bridging protection. Easy to apply professional-grade waterproofing  The SEMCO Liquid Membrane™ is a single-component water-based waterproofing and anti-fracture membrane. It is a self-contained elastomeric fluid suspended in a copolymer adhesive, this revolutionary blend enables easy application while providing excellent bridging, and waterproofing. SEMCO Liquid Membrane™ is the perfect self-adhering Membrane for waterproofing concrete and wood substrates. Use it for your shower, fountain, or pool interior and protect it from long-term water or m
Price   $107.50
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Amazon
amazon.com › SEMCO-Liquid-Waterproofing-Membrane-Water-Based › dp › B0C81M45RY
SEMCO Liquid Waterproofing Membrane - Water-Based Roofing, Leak, Crack, Deck, Flooring - Protector Coating for Exterior & Interior Surfaces, Metal, Wood, Masonry - USA Made, 1 Gallon (Black Pearl): Amazon.com: Tools & Home Improvement
Ready to use waterproofing and crack bridging membrane · Coverage of 200-250 sq ft per gallon ( 2 coats at 0.015 inches thickness/coat) Easy to apply : with 1/2" woven nap roller, brush or spray application ... Wood : No matter if it pressure treated wood or normal timber, SEMCO Liquid Membrane can be applied on any wooden substrate to protect it from weathering and moisture damage.