How To Build Up A Roof Where Water Collects
Inner roof drains.
How to build up a roof where water collects. By law every house must collect 80 percent of the water that falls on its roof. Installing crickets around rtus and skylights is an easy and economical method to resolve ponding. Adding tapered insulation will fix the slope of the roof and add to the building s energy efficiency. To build a traditional bermudian roof masons mortar rectangular slabs or slates of local limestone to each other over a hip roof frame.
This will provide better drainage around the rain barrels and help keep water away from the foundation of your home. It is not cheap but if you have to fix the slope this option has the extra benefit of added insulation. Large roof top units rtus like hvac units or skylights that are unprotected by crickets tend to be places where water collects because it cannot flow past the curb of the unit or skylight. The system is capped at the end so that water backs up and when full all new water then flows directly into the tank.
Dig a 5 inch deep rectangle in the area you leveled to accommodate the rain barrels and fill it with 1 2 inch 1 3 cm of pea gravel. This part of the system helps to maintain an even higher level of water quality by reducing the finer particulates and pollutants that build up on roof surfaces. The main benefit of inner drains is that the system is hidden from view.