Bostik S551 ROOF ‘N’ SEAL GUTTER SILICONE is a single component, low modulus, neutral curing silicone that provides excellent adhesion to many common substrates, especially all roofing and gutter substrates. Please apply at least 6mm thick on the surface.

Features : 
✅Well adhering to all roof & gutter and other general construction substrates
✅Non-discoloring & non-fading even prolonged exposure to UV and weather
✅Permanently elastic
✅Neutral cure, non-corrosive to metallic surfaces

Applications:
Bostik S551 ROOF ‘N’ SEAL GUTTER SILICONE was specifically developed for metal roofing system, plumbing roofing system, metal water tanks, spouting/flashing and downpipes, skylights, metal and PVC flues and extraction units , pipe or sprinkler system penetrations, air conditioning ducting & sheet-fabrications and general-purpose sealant for building materials