DD Sealant Services is an Oxford-based specialist in internal silicone and mastic repairs for bathrooms, kitchens, and interior spaces. With over 8 years’ construction experience, we provide neat, long-lasting sealant replacement using professional-grade, anti-mould silicone, finished to a high standard. Alongside sealant work, we also offer small handyman services such as tap changes, light bulb and fixture replacements, shelving installation, and minor repairs—providing a convenient, reliable solution with minimal disruption.