--- product_id: 20552194 title: "Sikaflex Construction Sealant - White, All-Purpose Polyurethane for Joints 1/2\" or Smaller - 10.1 fl. oz - Weatherproof, High Elasticity, Paintable, Strong Adhesion" brand: "sika" price: "R$197" currency: BRL in_stock: true reviews_count: 13 category: "Sika" url: https://www.desertcart.com.br/products/20552194-sikaflex-construction-sealant-white-all-purpose-polyurethane-for-joints-1 store_origin: BR region: Brazil --- # Paintable & Stain-Free Finish High Elasticity & Strong Adhesion Weatherproof & Waterproof Sikaflex Construction Sealant - White, All-Purpose Polyurethane for Joints 1/2" or Smaller - 10.1 fl. oz - Weatherproof, High Elasticity, Paintable, Strong Adhesion **Brand:** sika **Price:** R$197 **Availability:** βœ… In Stock ## Summary > πŸ”§ Seal Smart, Live Stylish β€” The Ultimate Invisible Shield for Your Home ## Quick Answers - **What is this?** Sikaflex Construction Sealant - White, All-Purpose Polyurethane for Joints 1/2" or Smaller - 10.1 fl. oz - Weatherproof, High Elasticity, Paintable, Strong Adhesion by sika - **How much does it cost?** R$197 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/20552194-sikaflex-construction-sealant-white-all-purpose-polyurethane-for-joints-1) ## Best For - sika enthusiasts ## Why This Product - Trusted sika brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Pro-Grade Standards:** Meets ASTM and federal specs for quality and safety, reducing radon exposure with urethane-based formula. - β€’ **Seal with Confidence:** Exceptional polyurethane elasticity prevents cracks and tears, ensuring long-lasting joint protection. - β€’ **Built for All Weather:** Waterproof formula guards against moisture infiltration in brick, wood, concrete, and metal surfaces. - β€’ **Invisible Integration:** Self-leveling, paintable sealant blends seamlessly with your surfacesβ€”no unsightly marks or stains. - β€’ **Effortless Application:** Compact 10.1 fl oz cartridge fits most guns with a narrow tip for precise, mess-free sealing every time. ## Overview SIKA Sikaflex Construction Sealant is a professional-grade, one-component polyurethane sealant designed for joints 1/2" or smaller. It offers superior elasticity and adhesion to prevent cracking, is fully weatherproof and waterproof, and can be painted or stained for a flawless finish. Compatible with multiple materials including brick, wood, concrete, and metal, it meets ASTM standards and reduces radon levels. Packaged in a 10.1 fl oz cartridge for easy, precise application, it’s the trusted choice for durable, invisible sealing in both DIY and professional projects. ## Description This one-component, non-sag sealant is the choice for professional-grade quality while requiring only beginner-level DIY skills. It's also elastomeric, which gives the paste a rubbery texture and enables your joints to adjust without cracking or breaking. Seal windows and door perimeters, and fill gaps in walls, trim, flashing, and more. It's resistant to aging and weathering, so the Sikaflex white caulk always looks its best. It's both waterproof and water immersible, enabling use in moisture-heavy environments. The final cure is complete in about a week, depending on atmospheric conditions. Review: Best Caulk/Sealant for DIY'ers - In my experience with caulk products over many years nothing compares. My regret is that I didn't find it sooner. I was happy to find silicone after watching cheap contractor caulk used in building our new home dry, shrivel, and crack before the home was a year old. And virtually no flex if there is any movement. 100% Silicone has it's merits, if you're satisfied with its color, because its non-paintable. It's also very hard to clean-up and remove now or later, and can be difficult to work with as it can get messy and you have just a few minutes to work it. And even after it dries, it attracts dust and whatever's in the air, regardless of whether it's clear silicone or colored. And it's not cheap. However. it does the job, holds up against the elements for years, works well if you don't want to paint, and it flexes. But the other issues just mentioned sent me on a journey of research and it paid off. Sika has a number of great sealants formulated for various needs. I generally use the PRO Select Construction Sealant around the house. I've also used the product designed for mortar. Some products are "no-sag" and others are self-leveling. It goes on smooth, is easier to work with, is less messy, has a longer working time, and easier to clean up than silicone. If you make a mistake or touch another surface with it you can often remove it with a damp rag. If sitting a while, citric orange solvent generally takes care of it. It also readily takes paint, which is recommended outdoors if you want it to last. Without paint, it doesn't hold up quite as well to UV and the elements as silicone, although much better compared to cheap caulk. This stuff also flexes, reducing the chance of separation in the event there's surface movement. It also doesn't dry up or degrade in the tube as fast as silicone. Another thing I learned recently. I came across a couple tubes 2 years past their expiration date and the product in both tubes performed like new. It's not cheap and some folks complain there's less in a standard tube than other caulks. But this is minor stuff if you want the best sealant for all the reasons I just covered. Review: Amazing product! - This product is simply amazing. It's not like standard caulk, so once you let go of the trigger it doesn't just leak out, which I appreciated. I needed to seal my basement slab where it connects to my foundation wall, and this did the trick! It appears to be elastic enough to handle shrinkage/expansion during temperature swings as well. The drying time seems a bit long, as it took nearly 24 hours for it to not be tacky to the touch. But it's the perfect thickness and for the price I paid, feel like I got a great value! ## Features - TIGHT, STRONG SEALS β€” This Sika polyurethane sealant offers exceptionally secure adhesion while also allowing for a high elasticity that helps prevent cuts and tears - WEATHERPROOF YOUR HOME WITH CONFIDENCE β€” Fills joints between brickwork, masonry, wood, concrete, and metal framing to prevent moisture infiltration - BLENDS RIGHT IN β€” It's a self-leveling concrete caulk that you can paint, stain, or sand down so you don't even know it's there. It also won't stain surfaces, so it's easy to use - TRULY TRUSTWORTHY β€” This product meets federal specifications and ASTM standards to ensure quality and safety; urethane-based formula reduces the level of radon - QUICK AND SIMPLE TO USE β€” It comes in a 10.1 fl oz cartridge that easily pops into most electric, pneumatic, or hand-powered application guns. The narrow tip makes accurate placement worry-free ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000RUOH1Q | | Best Sellers Rank | #2,578 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Industrial Joint Sealants | | Brand | SIKA | | Brand Name | SIKA | | Color | White | | Compatible Material | Plastic | | Customer Reviews | 4.6 out of 5 stars 1,045 Reviews | | Global Trade Identification Number | 00033886000413 | | Included Components | Multitool Accessory | | Item Dimensions | 11.5 x 2 x 11.5 inches | | Item Form | Liquid | | Item Type Name | 10OZ WHT Const Sealant | | Item Weight | 1 Pounds | | Item dimensions L x W x H | 11.5 x 2 x 11.5 inches | | Manufacturer | SIKA CORPORATION | | Material | Polyurethane | | Material Type | Polyurethane | | Model | 90618 | | Number of Items | 1 | | Part Number | 90618 | | Style | Compact | | Style Name | Compact | | Supported Standards | ASTM C-920, TT-S-00230C, Type II | | Surface Recommendation | Door | | UPC | 033886000413 033886093873 | | Unit Count | 1.0 Count | | Warranty Description | Please reference Manufacture's Product Data Sheet for Warranty Information | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** SIKA - **Item Weight:** 16 ounces - **Item dimensions L x W x H:** 11.5 x 2 x 11.5 inches - **Material:** Polyurethane - **Style:** Compact ## Images ![Sikaflex Construction Sealant - White, All-Purpose Polyurethane for Joints 1/2" or Smaller - 10.1 fl. oz - Weatherproof, High Elasticity, Paintable, Strong Adhesion - Image 1](https://m.media-amazon.com/images/I/61dY-QHD3CL.jpg) ## Available Options This product comes in different **Color, Number Of Items** options. ## Questions & Answers **Q: can this be used in-between cement joints in a walkway?** A: Sika’s self-leveling sealant (and backer rod) is the most appropriate product for that situation. The backer rod prevents 3 point adhesion, which you should look up before performing this job. Self-leveling sealant will flow downhill if used on a slope, so the construction sealant might be a better choice in that particular case. **Q: If used to fill gaps between tiles, how does this (polyurethane) compare with epoxy grout ?** A: This has a silicone texture, I will use it in for the outdoor area. I would not use this to fill gaps between tiles, you should use epoxy grout especially if it's indoor. **Q: Will this adhere to asphalt for the crack between driveway and cement apron? I’d rather use a weatherproof flexible sealant than asphalt cold patch.** A: It should! This was recommended by the company who raised up three LARGE concrete patio slabs. Unfortunately, the slabs had all moved in different directions, letting water sit up against the foundation. Once raised up, with settling of earth underneath, a couple of the slabs cracked. I used this sealant to fix those cracks. It's remained in place through two Pacific Northwest (wet) winters. It's remained flexible, keeping slab pieces together with no slippage. Good product! **Q: Can I throw some sand on top of horizontal morter cracks after applying the Sikaflex to give it texture?** A: I think you can. Think of it as a kind of epoxy. If you throw some sand on its surface before it dries, the sand will end up imbedded in it. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Best Caulk/Sealant for DIY'ers *by K***G on July 11, 2025* In my experience with caulk products over many years nothing compares. My regret is that I didn't find it sooner. I was happy to find silicone after watching cheap contractor caulk used in building our new home dry, shrivel, and crack before the home was a year old. And virtually no flex if there is any movement. 100% Silicone has it's merits, if you're satisfied with its color, because its non-paintable. It's also very hard to clean-up and remove now or later, and can be difficult to work with as it can get messy and you have just a few minutes to work it. And even after it dries, it attracts dust and whatever's in the air, regardless of whether it's clear silicone or colored. And it's not cheap. However. it does the job, holds up against the elements for years, works well if you don't want to paint, and it flexes. But the other issues just mentioned sent me on a journey of research and it paid off. Sika has a number of great sealants formulated for various needs. I generally use the PRO Select Construction Sealant around the house. I've also used the product designed for mortar. Some products are "no-sag" and others are self-leveling. It goes on smooth, is easier to work with, is less messy, has a longer working time, and easier to clean up than silicone. If you make a mistake or touch another surface with it you can often remove it with a damp rag. If sitting a while, citric orange solvent generally takes care of it. It also readily takes paint, which is recommended outdoors if you want it to last. Without paint, it doesn't hold up quite as well to UV and the elements as silicone, although much better compared to cheap caulk. This stuff also flexes, reducing the chance of separation in the event there's surface movement. It also doesn't dry up or degrade in the tube as fast as silicone. Another thing I learned recently. I came across a couple tubes 2 years past their expiration date and the product in both tubes performed like new. It's not cheap and some folks complain there's less in a standard tube than other caulks. But this is minor stuff if you want the best sealant for all the reasons I just covered. ### ⭐⭐⭐⭐⭐ Amazing product! *by R***R on June 26, 2026* This product is simply amazing. It's not like standard caulk, so once you let go of the trigger it doesn't just leak out, which I appreciated. I needed to seal my basement slab where it connects to my foundation wall, and this did the trick! It appears to be elastic enough to handle shrinkage/expansion during temperature swings as well. The drying time seems a bit long, as it took nearly 24 hours for it to not be tacky to the touch. But it's the perfect thickness and for the price I paid, feel like I got a great value! ### ⭐⭐⭐⭐⭐ Great product *by P***E on March 26, 2026* Great stuff seals well ## Frequently Bought Together - SIKA 90618 Sikaflex Construction, 10.1 fl. oz, White 10OZ WHT Const Sealant, 10-Ounce - Newborn Octogun 930-GTD Drip-Free Caulking Gun - Gator Trigger Grip | Fits 1/10 Gallon Cartridge |10:1 Thrust Ratio | Smooth Hex Rod Cradle with Built-in Smoother Tool | Scraper & Plug Included - Sikaflex Crack Flex Sealant, Gray, High performance, textured polyurethane sealant, self-leveling, sealant for sealing horizontal cracks, 10,1 fl. Oz --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.br/products/20552194-sikaflex-construction-sealant-white-all-purpose-polyurethane-for-joints-1](https://www.desertcart.com.br/products/20552194-sikaflex-construction-sealant-white-all-purpose-polyurethane-for-joints-1) --- *Product available on Desertcart Brazil* *Store origin: BR* *Last updated: 2026-07-23*