3 1 8"H X 3 5 8" Projection X 94 1 2"L Roman Moulding matched inside corner 'The Boroughs' New Series Produced by The Duffer Brothers Sets May 2026. [[start tab]] Description Polyurethane Designers Edge Millwork Mouldings and Millwork encompass a full decorative array of premium quality polyurethane cornice and panel mouldings, medallions, niches, stair brackets, pilasters and other ornamental products that are guaranteed to satisfy all decorative requirements without compromise. Designers Edge Millwork is impervious to adverse climate and weather conditions, and, because of its dimensional stability, will not alter over time. Produced in exclusive molds that yield ornate and sharply defined details, perfect dimensions, and extremely consistent quality, Designers Edge Millwork is lightweight, impact resistant and easy to install and finish using traditional woodworking techniques and tools. Lightweight Impact Resistant Easy to Install [[end tab]] [[start tab]] Measurements Height : 3 1 8 " Projection : 3 5 8" Length : 94 1 2" These sizes are approximate, please refrain from cutting the hole until you have actual dome for exact measurement. Please note that actual rough opening depth depends on installation of wood support to hang the ceiling dome. [[end tab]] [[start tab]] Installation 1. SURFACE CEILING WALL 2. Working Conditions Storage & Installation conditions for Designer Edge products and adhesives. Place profiles & adhesives at room temperature 24 hrs before installation. Designer Edge Mouldings have the same density and workability as white pine. Use traditional woodworking techniques and tools to install mouldings. 3. Installation Inner Corner Outer Corner Notes to remember: Cut mouldings 1 4" longer and spring into place. Use MP 25 ADH Eco bond adhesive. It can be used as adhesive and filler. It is paintable If using nails, use countersink type. These sizes are approximate, please refrain from cutting the hole until you have actual dome for exact measurement. Please note that actual rough opening depth depends on installation of wood support to hang the ceiling dome. [[end tab]]