Installing underlayment & Liner


Cwl

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I'm building a 9' x 6' x 4' deep pond. 1/2 is above ground (solid brick block) 1/2 below ground. Once I bring the liner over the top of the pond brick how do I secure the liner before adding the capstone? I have Firestone EPDM .045 liner. I'm in Colorado, so I'm currently adding insulation to brick prior to doing the underlayment and liner.
 

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Tha first thing you want to do is make sure the top e does of the block have rounded or you have eased the edge as it will rip the liner.
Secondly you should leave plenty of slack in the liner so it the bottom settles that your liner does not stretch and tear. Mother nature has a way of doing her own thing when she wants .
The use of a termination strip will do the job its just a thin piece of aluminum bar or stainless where you drill holes through and use tap cons. Concrete screws if its thicker TY hen you mortar joint TY hen cut the underside of the block recessing the strip. The angle alone will take most of the pressure.
 

Cwl

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Tha first thing you want to do is make sure the top e does of the block have rounded or you have eased the edge as it will rip the liner.
Secondly you should leave plenty of slack in the liner so it the bottom settles that your liner does not stretch and tear. Mother nature has a way of doing her own thing when she wants .
The use of a termination strip will do the job its just a thin piece of aluminum bar or stainless where you drill holes through and use tap cons. Concrete screws if its thicker TY hen you mortar joint TY hen cut the underside of the block recessing the strip. The angle alone will take most of the pressure.
 

Cwl

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Ok that makes sense, I appreciate the help. As for the ground settling, probably won't happen much. I was forced to stop digging due to clay / rock hard soil but I will plan to have some slack to be safe. Thanks for pointing out the brick edge, I'll definitely need to fix that.
 

Cwl

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As for the termination strips I'll need look into getting that, figured out... Great information. Thanks
 
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Cwl

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GBBud do you think applying a plastic quarter round strip on brick edge would work to protect the liner?
 

Mmathis

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GBBud do you think applying a plastic quarter round strip on brick edge would work to protect the liner?
When I last had this predicament (cinderblock, though, not brick), I purchased an angle grinder to smooth out the corners and sharp edges. It did a wonderful job — just be sure to wear eye protection and a mask!
 
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Like Mmathis said easing the edge using a grinder is what I ment. I often forget most people don't understand a lot of the terms construction wise I take for granted.
I would do the plastic its just something that can get damaged under the liner and cut it. Rounding / ease the edge is the best way. And if you can't get it smooth and feels a little rough just apply some duct tape.
 
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