DuraVent DuraTech LDC 10" Ventilated Flat Flashing

Need a custom build chimney pipes setup that fits just right? We can custom-build your chimney pipe setup and help you plan and complete the entire build with confidence. If you have any questions, please contact us 541.678.0243 All Fuel Chimney PDF Warranty Notice: M&G DuraVent warranty applies to this professional grade product only when installed by a trained professional installer. DuraTech LDC Chimney Large Diameter The DuraVent DuraTech LDC 10" Flat Ventilated Flashing is a high-quality all-fuel chimney flashing piece built for the DuraTech LDC double-wall chimney line. It's suited to factory-built fireplaces, large masonry fireplaces, and vented non-condensing heating appliances, providing a tight, weather-resistant seal where the chimney passes through the roof. This delivers reliable ventilation, roof protection, and professional-level installation results for residential and light commercial chimney setups. Features: Roof entry seal – weatherproofs where DuraTech LDC chimney piping exits through the roof Leak-resistant fit – creates a tight, secure transition to boost durability and block moisture intrusion UL 103 Type HT certified – meets code requirements for safe installation Slope-specific sizing – must match your roof's pitch (e.g., 6/12 = 6" rise per 12" run) Pairs with storm collar – needed together for a complete weatherproof seal Galvalume build – resists corrosion and holds up long-term outdoors Built as part of the UL 103 Type HT listed DuraTech LDC system, it works with diameters ranging from 10" to 16" and uses a solid-pack construction with 1 inch of ceramic insulation sandwiched between a stainless steel inner liner and an outer jacket of stainless steel or Galvalume. It requires only a 2-inch clearance to combustible materials and meets both US and Canadian testing standards, offering strong safety performance, thermal efficiency, and durability in tough venting conditions. DETAILS AND DIMENSION: Product Type Ventilated flashing Inside Diameter 10" Series DuraTech LDC (10"-24") A 12 1⁄4” B 24” Model 10DT-FFHT