@thedreambuilds: I Drained My Old Pool and Built a Secret Room Under It 🏊 Ever wondered what could be hiding under the floor of an old swimming pool? Watch the full build from the first pump dropped into the green water to the glass ceiling with the pool glowing above it. From breaking out the pool floor and digging the chamber to blockwork, steel beams, glass panels, fresh plaster, insulation, oak cladding and the swimmer gliding over the ceiling at the end. Whether you love satisfying build timelapses, secret rooms, or underwater views, this one's for you. Topics covered in this video: how to build a secret room under a swimming pool, underwater ceiling construction, old pool renovation, hidden underground lounge, satisfying construction timelapse, glass floor pool ideas. Keywords: Secret Pool Room, Underwater Ceiling, Hidden Lounge, Pool Renovation, Glass Pool Floor, Underground Room, DIY Timelapse, Satisfying Construction, Oak Interior, Backyard Build, Steel And Glass. Would you swim over it? Rate this build 1–10 👇 The content is generated by artificial intelligence. #DIY #secretroom #underwaterhouse #backyardgoals #satisfying

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Wednesday 02 September 2026 18:58:37 GMT