Sika Sikaflex-11 FC Polyurethane Joint Sealant & 300ml Grey SKU: 371283 MODEL: 519857 Error. try again later You've successfully joined the club $ 32 .98 each Available on orders $50 to $1500. More info × Mitre 10 MSAvailable at Mitre 10 MEGA and selected Mitre 10 stores. Variants Flexible polyurethane joint sealant and adhesive with excellent aging and weathering resistance. Features and benefits Will not stain natural stone. Adheres to most construction materials.