Handle all your roof and plumbing sealing needs efficiently with Sika’s general-purpose sealants. Ideal for a range of applications—from gutters and flashings to skylights and penetrations—our versatile sealants, including Sikasil® Roofing & Plumbing, Sika® Crystal Clear MS, and Sikasil® N, deliver long-lasting, UV-stable protection. These single-component, neutral-cure solutions offer excellent adhesion to metal, concrete, tile, and more—designed for ease of use by DIYers and trade professionals tackling weatherproofing challenges across New Zealand.