Week 29, Day 5 Posted on 2016-05-06 by dMb Reply Week 29, Day 5: More first-fixing, completing the intruder and fire alarm system and progressing the electrical installation Preparing the second floor for plasterboard, with air-tight membranes and battens on the walls Week 29, Day 5 Pro Clima Kaflex air-tight cable grommet sealing alarm cable connection to external bell box Second floor bathroom ready for plasterboard