--- 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: "R932" currency: ZAR in_stock: true category: "Sika" url: https://www.desertcart.co.za/products/42749646-sika-sikaflex-1a-20-oz-sausage-white-1-unit-one store_origin: ZA region: South Africa --- # ±35% joint movement flexibility Weather-resistant & durable One-component, no primer needed 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:** R932 **Availability:** ✅ In Stock ## Summary > 🔧 Seal smart, last long — the pro’s choice for flawless joints! ## 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?** R932 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/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 - • **Unmatched Flexibility:** Accommodates joint movement up to ±35%, ensuring seals that move with your structure, not against it. - • **Strong, Primer-Free Bond:** Bonds directly to most construction materials, cutting prep time and boosting efficiency. - • **Effortless Pro Application:** Installs easily with any standard sausage caulking gun—no special tools required. - • **Built to Brave the Elements:** Superior resistance to aging and weathering keeps seals intact across climates and seasons. - • **Versatile Seal for Every Joint:** Perfect for windows, door frames, roofing, and more—vertical or horizontal, it’s got you covered. ## Overview SIKA Sikaflex 1a is a premium one-component polyurethane sealant designed for durable, flexible, and weather-resistant sealing of concrete and masonry joints. It cures in 24 hours, bonds without primer, and accommodates ±35% joint movement, making it ideal for both vertical and horizontal applications in professional construction and renovation projects. ## 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 | #63,251 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #34 in Polyurethane Adhesives #132 in Urethane Adhesives | | Brand | SIKA | | Brand Name | SIKA | | Color | WHITE | | Customer Reviews | 3.3 out of 5 stars 21 Reviews | | 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 | | Part Number | 91008 | | Surface Recommendation | joints, fillets, windows, door frames, reglets, flashing | | Temperature Range | 4E+1 Degrees Fahrenheit | | UPC | 033886002981 | | Unit Count | 20.0 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.co.za/products/42749646-sika-sikaflex-1a-20-oz-sausage-white-1-unit-one](https://www.desertcart.co.za/products/42749646-sika-sikaflex-1a-20-oz-sausage-white-1-unit-one) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-07-19*