If your flat roof has ponding water let the experts at eagle watch roofing take a look.
How to build up a roof where water collects.
Inner roof drains.
Create a layer of pea gravel.
By law every house must collect 80 percent of the water that falls on its roof.
It is not cheap but if you have to fix the slope this option has the extra benefit of added insulation.
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.
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.
Adding tapered insulation will fix the slope of the roof and add to the building s energy efficiency.
Installing crickets around rtus and skylights is an easy and economical method to resolve ponding.
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.
The main benefit of inner drains is that the system is hidden from view.