Roof-to-downspout planning
Stop debris at the first doorway.
Turn roof area and Texas rainfall intensity into a live downspout flow, then match the pipe, site, and maintenance needs to a practical rain head.
Peak flow calculationPipe fit checkProduct matching
02
Live recommendation
Your roof capture plan
Practical fit
Roof runoff
RHAD10050 GPM
4 in round
Recommended rain head
Leaf Eater Advanced
Calculating pipe fit, debris shedding, and storm demand.
Compact pivoting rain head0.955 mm stainless screen
Product match
Leaf Eater Advanced
A compact, versatile rain head with a leaf-shedding screen and a pivoting outlet for vertical or rear pipework.
Pipe fit and planning flow are aligned.
Confirm the measured pipe and available wall clearance before ordering.
Complete the roof-to-tank path
Keep every stage serviceable
A rain head handles leaves and insects. First flush, sealed conveyance, and tank protection still do different jobs.
A better first line of defense
Select for the whole downspout.
- 01
Calculate the water arriving here
Roof area, rainfall intensity, and the number of downspouts determine the peak flow each rain head must accept.
- 02
Match the actual pipe
Round and rectangular downspouts need different adapters. A pivoting outlet can solve tight fascia and rear-exit layouts.
- 03
Design for dirty days
Heavy leaf load and limited access favor active debris shedding, more open screen area, and an inspection after major storms.
- 04
Keep treatment stages separate
The rain head rejects leaves and pests; first flush removes roof wash-off; tank screens and overflows seal the storage vessel.