{"product_id":"oatey-company-11877-roof-flashing-3-to-4-inches-type-b","title":"Oatey Company 11877 Roof Flashing 3 to 4 Inches Type B","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe OATEY COMPANY 11877 is a galvanized aluminum thermoplastic no-caulk roof flashing designed for vent pipe penetrations through pitched roofs. It slides over the pipe without requiring caulk or sealant at the base, creating a watertight seal around the pipe collar. Rated for continuous heat exposure up to 180 degrees F, it is suitable for Type B vent installations. This flashing is intended for residential and light commercial roofing applications where a clean, code-compliant pipe penetration is required. HVAC technicians, plumbers, and roofers install this component as part of B-vent or similar venting system rough-ins.\u003c\/p\u003e\u003cp\u003eThis flashing fits pipe diameters from 3 to 4 inches and is designed for use on standard pitched roof assemblies. It is approved for Type B vent installations and is appropriate for gas appliance venting applications where a non-caulk, slide-over flashing is specified. It is not approved for hot-mopped or built-up roof assemblies. Do not use petroleum-based products on the plastic base or rubber collar components of this flashing.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eNo-caulk design — slides over pipe for straightforward installation\u003c\/li\u003e\n\u003cli\u003eGalvanized aluminum and thermoplastic construction for durability\u003c\/li\u003e\n\u003cli\u003eRated for continuous heat up to 180 degrees F\u003c\/li\u003e\n\u003cli\u003eApproved for Type B vent installations\u003c\/li\u003e\n\u003cli\u003eNot for use on hot-mopped or built-up roof assemblies\u003c\/li\u003e\n\u003cli\u003eAvoid petroleum-based products on plastic base or rubber collar\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for Type B vent pipe installations with pipe diameters from 3 to 4 inches on standard pitched roof assemblies. Not compatible with hot-mopped or built-up roof systems.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is typically performed by a licensed HVAC technician or plumber as part of a B-vent or gas appliance venting system. Ensure the vent pipe is properly supported and aligned before sliding the flashing into position. Do not apply petroleum-based products to the plastic base or rubber collar at any time. Follow local building codes and manufacturer venting system guidelines for final inspection approval.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Size Range\u003c\/strong\u003e: 3 to 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Galvanized Aluminum Thermoplastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Continuous Temperature Rating\u003c\/strong\u003e: 180 degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Type\u003c\/strong\u003e: No-caulk, slide-over\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVent Approval\u003c\/strong\u003e: Type B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 23 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 12 per unit of measure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: OATEY COMPANY\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 11877\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OATEY","offers":[{"title":"Default Title","offer_id":51525336301874,"sku":"11877","price":226.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5c85fa06b6e9854714efe47a4f71f6b5.jpg?v=1785470866","url":"https:\/\/voomisupply.com\/products\/oatey-company-11877-roof-flashing-3-to-4-inches-type-b","provider":"Voomi Supply","version":"1.0","type":"link"}