Pros/Cons Flex Line Vs PVC For Waterfalls

Jacey

We are installing Waterfalls now and would like to move to flex lines for ease of install, but still balking at the 4 bux a foot distributer wants, even at our discount. Anybody know plumbing supply place we could shop to beat this price and has anyone had problems with the flex? Some of our distances are pretty lengthy to cover at the rate were quoted. Thanx guys..I know one of you guys know. BTW..we are in Texas if that factors in.

POOLMANinCT

I pay about a buck a foot,
stick w the ridgid in landscape application.

mulch can harbor insects that may eat the flex...

sorry but looks like you're stuck leveling trenches..

ray

tzzzz216

Is there any reason why you can use pex pipe , you can get maybe 100 feet for about $30 buxs or poly pipe , Just input for you .

JamesNLA

use Pex, but make sure it's not exposed to light. The UV will "ruin" the pipe. Which BTW I have a few feet of pressurized pex in the back yard for about 6 months, still holding but I want to see how long till it fails.

POOLMANinCT

bury pex???

btw typical h2o fall application calls for 2" and up....

what sizes is pex available in?

Jacey

....The flex pipe offered thru pond supply I work with is a black 1.5 inch line, corregated to flex, and made for burying in dirt. Anyone out there know about it? And better prices?

POOLMANinCT

im on tier one pricing, so im not a good example

ask you salesman for better pricing... you do know you can do that?

flex is junk, in my book...

Jacey

Can you expand on that? Like what is it you dislike about flex hose..and are you sure we are talking about the same thing? This is like the stuff pond supply places cell, not that drain line stuff.

POOLMANinCT

schedule 40 corrugated flex pvc...

there is a thread somewhere in the pool forum


ray

JamesNLA

Bury Pex? sure. I have seen 1 1/2" at one of my supply houses, haven't needed more than 1" yet, but i'm sure it's out there...sorry, don't care to check at the moment. I did read that PEX is NOT to be used for pools, I really don't know if there is some code that says pex cannot be used for water falls or non potable water. Don't see why not, but then, I don't make the rules.


"BURIED PEX WATER SERVICE
LINES
Fittings
Consult manufacturer for proper fittings
for water service application.
Trench Preparation
Trench bottom shall be solid with no hollows, lumps, rocks, or other materials that could damage the tubing. Laying the Tubing
�� Tubing should be laid with sufficient slack (snaking) to accommodate
any contraction due to cooling prior to backfilling. Tubing will expand
or contract approximately 1 inch in length for each 10O F change in tubing temperature for each 100 feet of tubing.
�� Minimum bending radius requirements for PEX tubing shall be followed.
See “Bending the Tubing” Table, Page 6.
�� Inspect tubing for damage. Remove and replace damaged sections.
�� In poor soil conditions, such as mud, rock, black gumbo, or clay, it is
necessary to excavate deeper and use good clean fill or granular fill to smooth the trench bottom. Penetrating Foundation or Basement Walls
When PEX is run through a basement or foundation wall, it must be
protected by a rigid sleeve that spans the distance from within the wall out to the undisturbed soil in the pipe trench. The purpose of this protective sleeve is to prevent shearing of the PEX tubing at the wall in the event there is settlement in the backfill around the wall. At the point where the sleeve terminates inside the foundation
or wall, the space between the PEX and the sleeve should be sealed
to prevent leakage into the building. Note: Petroleum-based caulks or
sealants should not come in direct contact with PEX.
Slab-on-Grade Installation Laying and Supporting Tubing
Under Slab Only continuously-run lengths of tubing without fittings shall be used when installing PEX under a slab. All connections shall be outside or above the slab. Tubing shall be completely buried by a suitable, easily compacted, backfill material such as sand or pea
gravel. PEX tubing should be installed under the re-bar, re-mesh or

�� Do not use blocking for support, or to change the tubing’s
elevation.INSTALLATION HANDBOOK:
Cross-linked Polyethylene (PEX)
Hot and Cold Water-Distribution Systems
Copyright © 2006 PPFA"

McElroy Tech

HDPE is also flexible. It is easy to install. You might consult some distributors on pricing. HDPE is different than PEX. It is great stuff.

Jacey

Great!..I'll check into it..

POOLMANinCT

2" flex 100 foot roll cost me 125$.....

__________________
......Less with the jaw & More with the paw.....

Jacey

Think the PVC was 1.5"..you know about the flex in that diameter?

KillerToiletSpider

With HDPE the price difference is probably only about twenty bucks, an irrigation supply company can give you an exact price, it is the stuff they use for irrigation systems.

__________________
A flush is better than a full house.

POOLMANinCT

a 100ft roll of 1.5 costs me 100$

__________________
......Less with the jaw & More with the paw.....