Sealsixty Ltd Information

Sealsixty is a family-run insulation specialist serving Cornwall and the South West, delivering professional cavity wall and loft insulation solutions for homeowners, housing providers, contractors and managing agents. PAS 2030 approved, our experienced team provides cavity wall insulation, cavity wall extraction, loft insulation and associated remedial works, with a strong focus on quality, compliance and customer service. From individual homes to large-scale housing programmes, we work closely with our clients from initial survey through to installation and aftercare, providing a reliable and straightforward service at every stage. 📍 Cornwall & the South West • Cavity Wall Insulation • Cavity Wall Extraction • Loft Insulation • PAS 2030 Approved • Domestic & Contract Works