2005 TA Millwork Sitemap Contact Commercial Residential Products Services Roof cupolas have been adding decoration and ventilation to structures in the United States for hundreds of years. We are proud to keep this legacy alive with our handcrafted cupolas. Construction All standard cupolas are made with open slats which allow ventilation. If a cupola is desired for decorative purposes only, false slats can be substituted. Internal support is incorporated into each cupola with exterior grade lumber, weather resistant glue and rust resistant screws. Slats are inserted in vertical columns, which hide the end of each slat.MaterialAll standard cupolas are constructed out of "B" grade redwood or "D" grade cedar.RoofInternal framing covered with exterior plywood or exterior plywood and 16 oz. copper.Mid-SectionVertical columns are constructed out of clear grade redwood, they are slotted and 1/2" x 3-1/2" redwood slats are inserted in each slot. 9x9 fiberglass vent mesh is then attached to the inside.BaseInternal bracing is wrapped with exterior grade AC 5/8" plywood. Redwood moulding is then secured around the top of the base.Extras You may add features to one of our standard cupolas or start from scratch with a custom cupola:1.CUSTOM WEATHERVANES 2. CUSTOM LIGHTNING RODS 3. STANDING SEAM COPPER ROOFS 4. VINYL 5. METAL CLADDING 6. PRIMING ,4 sided hip, 4 sided pagoda, 4 side bell,