𝗔𝗱𝗱𝗶𝘁𝗶𝗼𝗻𝗮𝗹 𝗻𝗼𝘁𝗲: Caulk around the top of the siding mounting kit for a customized fit if needed. 𝗣𝗿𝗲𝗺𝗶𝘂𝗺 𝗤𝘂𝗮𝗹𝗶𝘁𝘆 𝗮𝗻𝗱 𝗚𝗿𝗲𝗮𝘁 𝗔𝗽𝗽𝗲𝗮𝗿𝗮𝗻𝗰𝗲 -These vinyl siding light mounting blocks are made from heavy-duty nylon for long-lasting durability in all weather conditions, textured and paintable surface for a high-quality finish.