Bostik 5CLM is a high performance architectural grade, low modulus, high joint movement silicone. 

It cures by absorption of atmospheric moisture to form a flexible and durable elastomeric sealant. 5CLM silicone is suitable for weather proofing, aluminium, concrete, glass and where a premium quality silicone sealant is required as a high movement weather seal.

Will accommodate approx 50% movement of the original joint.

Can be used for interior, exterior, commercial, and industrial applications, for:

• Facades
• Composite panels
• Curtainwall joints
• Expansion joints
• Control joints
• Precast panels
• Concrete panels
• Composite panels
• Polycarbonate sheeting
• Splashbacks
• Plaques

Materials:

• Metal 
• Aluminium
• Anodized aluminium
• Concrete
• Copper
• Brass
• Marble (Stain testing must be carried out first before use on any project)
• Granite (Stain testing must be carried out first before use on any project)

Product Features:

• Places minimum stress on the adhesion bond between the silicone and the substrate in working joint application
• Excellent primerless adhesion

Specifications:

• Excellent elongation movement capabilities +100% / -50%
• Grey
• 300g tube