--- product_id: 42749646 title: "SIKA Sikaflex 1a 20 oz Sausage, White, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints" brand: "sika" price: "¥8722" currency: JPY in_stock: true category: "Sika" url: https://www.desertcart.jp/products/42749646-sika-sikaflex-1a-20-oz-sausage-white-1-unit-one store_origin: JP region: Japan --- # 6 hr initial hardening, 24 hr full cure Superior weather & aging resistance ±35% joint movement flexibility SIKA Sikaflex 1a 20 oz Sausage, White, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints **Brand:** sika **Price:** ¥8722 **Availability:** ✅ In Stock ## Summary > 🔧 Seal smart, last longer—join the pros who never compromise! ## Quick Answers - **What is this?** SIKA Sikaflex 1a 20 oz Sausage, White, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints by sika - **How much does it cost?** ¥8722 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/42749646-sika-sikaflex-1a-20-oz-sausage-white-1-unit-one) ## 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 - • **Dynamic Flexibility:** Accommodates joint movement up to ±35%, ensuring resilient, crack-free seals. - • **Versatile Seal Master:** Perfect for windows, doors, roofing, and more—vertical or horizontal joints. - • **All-Weather Durability:** Engineered to resist aging and harsh weather for long-lasting performance. - • **Universal Bonding Power:** Strong adhesion to most materials without primer—streamline your workflow. - • **Effortless Pro Application:** Installs with any standard sausage caulking gun—no special tools needed. ## Overview Sikaflex 1A is a premium one-component polyurethane sealant designed for professional-grade sealing of concrete and masonry joints. It offers exceptional flexibility with ±35% joint movement accommodation, strong adhesion without primers, and robust weather resistance. Easy to apply with standard tools, it cures fully in 24 hours, delivering durable, waterproof seals ideal for both vertical and horizontal construction applications. ## Description Sikaflex 1A is a moisture-cured, non-sag elastomeric sealant that provides durable and flexible seals for various construction joints. Its one-component formulation simplifies application, requiring only a standard caulking gun. Once cured, it forms a tough, elastic seal capable of accommodating joint movement up to ±35%, ensuring integrity over time. The sealant adheres strongly to most construction materials without a primer and offers excellent resistance to aging and weathering. Suitable for both vertical and horizontal joints, Sikaflex 1A is an ideal choice for sealing windows, door frames, roofing details, and other construction joints. ## Features - Easy Application: Requires only a standard sausage caulking gun for installation, eliminating the need for specialized tools. - Flexible and Durable: Accommodates joint movement up to ±35%, ensuring long-lasting seals that withstand expansion and contraction - Strong Adhesion: Bonds effectively to most construction materials without the need for a primer, simplifying the sealing process - Weather-Resistant: Exhibits excellent resistance to aging and weathering, making it suitable for diverse climates and conditions - Versatile Use: Ideal for sealing joints in windows, door frames, roofing details, and other construction applications. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00MH8ND16 | | Best Sellers Rank | #38,582 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #21 in Polyurethane Adhesives #85 in Urethane Adhesives | | Brand Name | SIKA | | Color | WHITE | | Customer Reviews | 4.2 4.2 out of 5 stars (51) | | Full Cure Time | 24 hours | | Initial Hardening Time | 6 hours | | Item Form | Liquid | | Item Weight | 1.9 pounds | | Liquid Volume | 20 fluid ounces | | Manufacturer | SIKA | | Material Type | Polyurethane | | Maximum Gap Fill | 0.5 inches | | Model | SIKA-91008 | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | 91008 | | Surface Recommendation | joints, fillets, windows, door frames, reglets, flashing | | Temperature Range | 4E+1 °F | | UPC | 033886002981 | | Unit Count | 20 Fluid Ounces | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** SIKA - **Color:** WHITE - **Full Cure Time:** 24 hours - **Item Weight:** 1.9 pounds - **Liquid Volume:** 20 fluid ounces ## Images ![SIKA Sikaflex 1a 20 oz Sausage, White, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints - Image 1](https://m.media-amazon.com/images/I/715Y8-yYzrL.jpg) ![SIKA Sikaflex 1a 20 oz Sausage, White, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints - Image 2](https://m.media-amazon.com/images/I/91w65VaqUeL.jpg) ![SIKA Sikaflex 1a 20 oz Sausage, White, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints - Image 3](https://m.media-amazon.com/images/I/81qkHy4XIZL.jpg) ![SIKA Sikaflex 1a 20 oz Sausage, White, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints - Image 4](https://m.media-amazon.com/images/I/716tqBu2rQL.jpg) ![SIKA Sikaflex 1a 20 oz Sausage, White, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints - Image 5](https://m.media-amazon.com/images/I/91Xtq+nF5zL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - Sikaflex 1A 91008, White, One Part Polyurethane Elastomeric Sealant, 600ml, Unipac - JES Innovations Cone Nozzle for Sausage and Bulk Caulk Guns, 10-Pack, SD-BCNOZZLE-10PK - Albion Engineering Company B12S20 B-Line Manual Sausage Caulking Gun, 20 oz, 12:1 Drive --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/42749646-sika-sikaflex-1a-20-oz-sausage-white-1-unit-one](https://www.desertcart.jp/products/42749646-sika-sikaflex-1a-20-oz-sausage-white-1-unit-one) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-20*