Skip to content
FREE SHIPPING· SHIPS NEXT BUSINESS DAY· 30-DAY RETURNS· FREE SHIPPING· SHIPS NEXT BUSINESS DAY· 30-DAY RETURNS· FREE SHIPPING· SHIPS NEXT BUSINESS DAY· 30-DAY RETURNS· FREE SHIPPING· SHIPS NEXT BUSINESS DAY· 30-DAY RETURNS·

Cart

Your cart is empty

62 people viewed this today
143 bought in the past month

Clear Leak Sealer Paste for Walls, Roofs & Pipes – Waterproof Barrier Coating for Concrete, Wood, Metal & Tile Repair | Thomler

$43.00

Free Shipping
30-Day Returns
Buy 2, Save 10% · Buy 3+, Save 15%
Kit Size:
In-store Not available
Online Almost sold out
Complete your order within --:--:-- to keep this price
Money-Back GuaranteeShop risk-free
Free US Delivery
3-Year GuaranteeQuality assured
30-Day ReturnsHassle-free

Seal Every Crack with Invisible, Permanent Protection

Stop water damage before it starts. This rubberized sealing paste soaks deep into hairline fissures and fractured surfaces, creating an unbreakable moisture barrier that won't peel, yellow, or crack over time. Perfect for emergency repairs on basement walls, bathroom grout, flat roofs, window frames, and drain pipes, it dries crystal-clear so you can paint or varnish right over the top. One brush-on application delivers years of defense against leaks, UV rays, and everyday wear—no contractors, no downtime, no mess.

Why You Need This

  • Instant leak repair: Penetrates porous surfaces to bond at the molecular level, stopping seepage from ceilings, sills, and plumbing joints on contact.
  • Crystal-clear finish: Dries completely see-through and non-yellowing, so it blends into any material without changing the look or requiring touch-up paint.
  • Multi-surface formula: Works on wet or dry concrete, wood, brick, PVC, metal, and ceramic—even over existing finishes—for foolproof versatility.
  • Weather-proof resilience: Forms a flexible, UV-stable shield that resists temperature swings, chemical exposure, and corrosion for long-term durability.
  • Zero harsh fumes: Water-based, non-toxic formula is safe for indoor use in kitchens, bathrooms, and living spaces without ventilation concerns.
  • Paintable surface: Once cured, you can apply any topcoat or sealant for a custom finish that matches your decor perfectly.

Built for Real-World Repairs

Whether you're patching a leaky gutter, sealing a cracked foundation, or protecting an outdoor deck from rain, this clear waterproof paste gives you professional results with a simple brush. Each kit includes a high-quality applicator brush and arrives ready to use—just open, apply, and let it cure. Backed by Thomler's commitment to quality, every order ships free across the United States, and our 30-day return policy means you can buy with complete confidence. Transform problem spots into permanent solutions and enjoy peace of mind in every season.

Volume: 1 oz / 3.5 oz / 10.5 oz

Finish: Clear

Base: Water-based rubberized formula

Compatible Surfaces: Concrete, wood, metal, PVC, ceramic tile, brick, painted & unpainted substrates

Drying Time: Transparent cure (timing varies by thickness)

Includes: Applicator brush

Free shipping across the United States — always, with no minimum order.

Every order is carefully packed and sent with Track & Trace, so you can follow your package every step of the way.

Order today? We ship the next business day.

Not completely happy? You have 30 days to return your purchase.

On top of that, we offer a 3-year warranty against manufacturing defects — your investment is in good hands.

1
Start your return Email us at info@thomler.com with your order number and reason for return.
2
Send it back Pack the item carefully and ship it to our return address.
3
Get your refund Once we receive it, we process your return and refund you within 5 business days.

Made for everyday

Practical pieces you’ll actually use.

Quality first

Chosen for quality you can feel.

Clear Leak Sealer Paste for Walls, Roofs & Pipes – Waterproof Barrier Coating for Concrete, Wood, Metal & Tile Repair | Thomler
Clear Leak Sealer Paste for Walls, Roofs & Pipes – Waterproof Barrier Coating for Concrete, Wood, Metal & Tile Repair | Thomler Sale price$43.00

Yours, the moment we pack it

  • Hand-packed with care
  • Checked before it ships
  • Arrives exactly as pictured
#THOMLER

Straight From Your Camera Roll

Customer photo Customer photo Customer photo Customer photo Customer photo Customer photo
Tag us to get featured — #THOMLER
Curated For You

You May Also Like

Founder of Thomler

A Note From Our Founder

When I started Thomler, I wanted one thing — to make it easy to find pieces that actually make a home feel like yours, without the markup. Every item we carry is one I'd happily put in my own home. And if it's ever not right, you've got 30 days to send it back, no stress. I'm only ever an email away.

Dean Calloway Founder, Thomler
Need To Know

Frequently Asked Questions

How much is shipping?
Shipping is free across the United States — on every order, with no minimum.
When will my order ship?
Orders placed today are dispatched the next business day. You'll get a tracking link by email as soon as it's on the way.
What's your return policy?
Not happy? You can return your item within 30 days. Just email us and we'll walk you through it.
Is checkout secure?
Yes. Every order is protected with SSL-encrypted checkout, and you can pay with all major cards, Apple Pay, Google Pay, Shop Pay and PayPal.
Can I track my order?
Absolutely — the moment your order ships, we email you a tracking link so you can follow it every step of the way.
My item arrived damaged or wrong — what now?
We're sorry! Email info@thomler.com with your order number and a photo, and we'll make it right.
Are your products backed by a guarantee?
Yes. Every product is covered against manufacturing defects, and comes with our money-back guarantee if it's not right for you.
Can I change or cancel my order?
Yes — you can change or cancel within 6 hours of placing your order. Just email info@thomler.com and we'll take care of it.