HANHU

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Coating, sealant and procurement guides

Find checklists for surface preparation, coating quantities, joint materials, colour approval and export orders.

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Modern architectural facade finished with a clean white wall coating
HANHU neutral and acetic silicone cartridges beside glass, metal and concrete samples

Sealants & Adhesives

Silicone vs. Urethane Sealant: Which Fits Your Joint?

For a weather-exposed glass or metal joint, start with silicone grades documented for that finish and exposure. For concrete or masonry, shortlist polyurethane grades documented for the substrate and service conditions. Where the joint will be painted, check the exact sealant and paint combination on a sample. Verify the movement rating, joint shape and primer before choosing either chemistry.

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