Core Drilling Specialists Ltd holds LPCB approval in the RedBook as an approved installer of passive fire protection products, certificate 1447PI. Its LPS 1531 scope reads: “Company assessed and approved for installing or applying passive fire protection products under the following scope:Appendix 1 - Penetration, cavity barrier and linear gap sealsAppendix 3 - Intumescent coatings to structural elements.” ⚠ the RedBook publishes no address for this holder; the website was resolved from the company name and verified against the register’s city.