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Marathon Roof Drains
Copper-Tite Retrofit Roof Drain
These retrofit roof drains are perfect for
re-roofing projects or field repairs of damaged roof drains |
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Made in USA!
(Actually in New York) |
100% Copper -
No seams to split! |
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- Retrofit, insert style copper roof drain
- Prevents waterbackups with expandable waterproof
(asphalt impregnated) tape
- Sizes available to fit drains from 2"-20"
- Simple installation saves you manhours
- Wide 18" Diameter copper flange and clamping
ring for secure installation to roof
- Copper-tite roof drain can be used on single ply (EPDM
& TPO) roofs as well as built up roofs (BUR), torch down roofs, and mastic
applied modified roofs.
- 9" long neck on retrofit drain allows for positive
insertion into existing roof drain
- No seams in the drain means nothing to split in
freezing weather
- Thick wall drain pipe (.050 copper) for long
product life and no need to worry about problems in the future.
- Comes standard with 10" plastic dome. Cast
Iron available as an option
- Volko has been selling Marathon Roof drains from
our New Hyde Park Location for over 40 years.
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Since these are "retrofit" roof drains,
they are sized to slip into existing drains. Feel free to call us at
1-800-685-8263 with sizing questions!
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Coppertite Straight with Clamping
Ring |
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Drain Pipe Size |
Marathon Catalog # |
Specification |
Neck Diameter |
Flange Size |
| 2" |
CTS29CR |
175 x 9 CR (LF) |
1 3/4" |
18" |
| 3" |
CTS39CR |
275 x 9 CR (LF) |
2 3/4" |
18" |
| 4" |
CTS49CR |
375 x 9 CR (LF) |
3 3/4" |
18" |
| 5" |
CTS59CR |
475 x 9 CR (LF) |
4 3/4" |
18" |
| 6" |
CTS69CR |
575 x 9 CR (LF) |
5 3/4" |
18" |
| 8" |
CTS89CR |
775 x 9 CR (LF) |
7 3/4" |
18" |
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Detail of drain neck thickness |
Clamping ring for secure installation |
Large 18" Diameter Flange for flashing
to roof |
2" height of expandable waterproof tape
prevents water backups |
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Getting water off of a flat roof should be
a priority for every building owner. More problems come from standing
water freezing and getting into seams, getting under flashings, and eating away
at the material. If you have any questions about flat roofing or roof
drains feel free to call us at our New Hyde Park or Port Jefferson
location.
The problem here is the flat roof has sunk
down below the level of the
scupper
drain. Either the scupper has to be lowered, the roof needs to be
re-pitched, or a vertical flat roof drain has to be installed.
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HOW MANY ROOF
DRAINS DO I NEED?!?!?!?!
The answer to this question really is: it depends.
That being said there are charts to help you, as well as
common sense.
How is your roof pitched? If the water doesn't flow to
a drain, it will never leave the roof. Any direction water goes, it needs
an exit.
The table below shows how many square foot of roof different
size drains can handle at differing amounts of rainfall. Remember to
consult your local building code and inspectors.
Example: In New York the max rainfall per
hour is 5". At that rate, a 4" roof drain can handle 3,680 SF of roof.
REMEMBER THAT YOUR ROOF DRAIN IS
CONSTRAINED BY THE LEADER SIZE AS WELL!!
Click here for full
sizing guide
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