Swimming pool main drain with expansion joints plumbing construction details dwg file

Swimming pool main drain with expansion joints plumbing construction details that includes a detailed view of cover protection hm separating layer, thermal insulation panel type with shaped plate for bead seaming, waterproofing and slope formation layer and elastic expansion joint details provided. Aluminum joinery stud with  elastic sealing gasket, double sheet glass and Water-resistant concrete treatment and much more of plumbing details.