Rain water outlet detail for parapet installations, specifically ‘Type B’ as labeled in the section. It shows the full roof assembly buildup incl. gravel ballast, 50mm extruded polystyrene thermal insulation, & the waterproofing membrane layer. We’ve included labels for the cement-sand screed and the final roof finish. The drawing specifies a 100mm diameter outlet connected through the concrete parapet wall. SSL and FFL levels are clearly marked to show the relationship between the slab and finished levels. good for plumbing or architectural sets needing standard drainage details for flat roofs. Shows the gravel ballast loose laid over the insulation etc
Parapet Type Rain Water Outlet B Installation Detail Section
