Portfolio Single-wall cap The cap is the end of the chimney and is used to protect the chimney from precipitation specifications:Steel grade: 201, 304, 321Diametr (Ø): 100-400Steel thickness (mm): 0.5, 1.0 Oval pipe oval chimney elements + Double-wall revision + Single-wall spark arrester (grid) single walled accessories + Basket under stones edge elements for saunas and fireplaces + Double wall pipe double wall elements double wall elements + Single wall pipe single wall elements +