Sika 西卡 Sikaflex Construction Sealant / Joint Filler 伸縮縫填縫膠

Sikaflex® Construction – 單組份彈性填縫膠，適用於混凝土及磚石外牆

Sikaflex® Construction 是一款高品質單組份、吸濕固化的彈性填縫膠，專為混凝土、磚石及外牆建築的縫隙及接縫密封而設計。產品具有優異的結構伸縮性能（ASTM C 719 ±25%移動能力），能有效適應接縫位移而不龜裂或脫落。具備良好施工性及對多種基材的優異附著力，形成堅韌、防風化及耐老化的彈性密封層。此填縫膠不下垂且固化無氣泡，亦可於表面塗漆，滿足美觀與功能雙重需求，特別適合建築物的伸縮縫、周邊縫及幕牆等防水密封。

主要特點：

• 單組份，吸濕固化，彈性填縫膠

• ±25%移動能力，適應接縫變形

• 對混凝土、磚石及多種基材附著力佳

• 不下垂，固化無氣泡

• 高撕裂強度，耐候性極佳

• 防風化、耐用

• 可上漆，兼顧美觀需求

• 施工簡便，操作性好

應用範圍：

• 混凝土及磚石結構的伸縮縫、周邊縫填充密封

• 建築幕牆與外牆縫隙密封

• 需承受風雨與結構移動的縫隙填充

Sikaflex® Construction – One-Component Elastic Sealant for Concrete and Masonry Facades

Sikaflex® Construction is a high-quality, one-component, moisture-curing elastic sealant specifically formulated for sealing joints and gaps in concrete, masonry, and facade constructions. With excellent movement capability of ±25% (ASTM C 719), this sealant accommodates structural movements without cracking or losing adhesion. It exhibits good workability and strong adhesion to a variety of substrates, ensuring durable and weather-resistant joints. Sikaflex® Construction cures to form a flexible, non-sag, bubble-free seal that resists aging, tearing, and harsh weather conditions. It can be overpainted to match any surface, making it ideal for aesthetic and functional joint sealing in building expansion joints, perimeter joints, and facade construction.

Key Features:

• One-component, moisture-curing elastic sealant

• Movement capability ± 25% to accommodate joint movement

• Good adhesion to concrete, masonry, and other substrates

• Non-sag and bubble-free curing

• High tear resistance and excellent aging resistance

• Weatherproof and durable

• Can be overpainted for aesthetic finishes

• Easy to apply with excellent workability

Typical Applications:

• Sealing expansion and perimeter joints in concrete and masonry facades

• Facade joint sealing for buildings and structures

• Filling gaps and joints in construction elements exposed to weather and movement