This is a beautiful copper cupola, made by Mike Rizzo of Dimondale, MI. A bead of outdoor caulk was placed in each seam for waterproofing. For most people, “mildew” is a four-letter word.
Moldy and mildewed caulking means bad smells, ruined aesthetics, and wasted time and money every time you. Copper and borate wood preservative rods.
Weatherall UV Guard Premium Caulk. We use copper welding or copper heat caulking , but the quality is not stable. Tightens firm and flush to the finished wall.
No need to caulk around the spout . What color caulking do you generally use when working with copper ? I generally use black NPon just about all my chimney or brick flashing . Custom colored acrylic latex caulk with silicone. ColorFlex is designed for corner and perimeter caulking of decorative surfaces.
I think I made a mistake with silicone caulking. I used that to seal around the copper and vinyl siding. Next MORNING I looked at the caulking. We do carry a Clear Geocel - is this an . Learn how they prevent galvanic reaction to caulk.
Obviously the white caulk is reacting .