Frog up or frog down

Border_Collie · Posted: Mon Jul 27, 2009 4:08 pm Post subject: Frog up or frog down

I'm about to build a small brick wall and have received various opinions from people as to the best way to set about it. The main disagreement is about the 'frogs' and whether they should be face up or face down.

I would like some opinions from amateurs and professionals alike, who taught them, how long ago and the reasons why 'their' way is better.

Thank you all in advance.
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M8TJT · Posted: Mon Jul 27, 2009 4:11 pm Post subject:

I believe that frog up is the correct way. But frog down uses less pug, useful if you are mixing the muck by hand. Very Happy

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AliOnHols · Pocket GPS Verifier Joined: Oct 15, 2008 Posts: 1936

Frog up is the correct way. As M8TJT says, it does use more mortar and that is the reason, the wall becomes much stronger as a result. However, as a small DIY garden project, it shouldn't make any real difference unless you are building a retaining wall for a raised bed or a wall for an above ground water feature or the wall is above 1m high. You can lay the top course up-side-down so that rainwater does not collect in the frogs.
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pcaouolte · Posted: Mon Jul 27, 2009 7:35 pm Post subject:

You could use concrete blocks with no frog or the bricks with three holes through them, these avoid all the confusion. Laughing

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Border_Collie · Posted: Mon Jul 27, 2009 7:49 pm Post subject:

Border_Collie · Posted: Mon Jul 27, 2009 7:50 pm Post subject:

POLL, it's spelt POLL not POLE, what a wally. (and I can't edit).
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DennisN · Posted: Mon Jul 27, 2009 8:11 pm Post subject:

I never got any new frogs these last two years (so I haven't voted). Do Koi carp eat tadpoles - I had loads this year. How could I stop them getting et next year?
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M8TJT · Posted: Mon Jul 27, 2009 8:16 pm Post subject:

GPS_fan · Posted: Mon Jul 27, 2009 8:50 pm Post subject:

DennisN · Posted: Mon Jul 27, 2009 9:02 pm Post subject:

yeah, well I'm a Koi lover of sorts - I've brought them up from small to enormous and the nine I bought for about a fiver each are all probably worth at least fifty quid each now. I fear taddies come rather further down the list of protected species. Third

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If it tastes good - it's fattening.

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Border_Collie · Posted: Mon Jul 27, 2009 9:39 pm Post subject:

Ah, Eureka!!! I can fill my frogs with Koi and save on mortar. Razz

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mostdom · Posted: Wed Jul 29, 2009 1:35 pm Post subject:

The frog is up. Only the top layer may be frog down for cosmetic reasons. There are no exceptions weather you think its ok or not, simply because I say so and because I will bring on the entire building industry if you don't. Angry

Cardinal sin of bricklayers!

Top tip: wet each brick in a bucket of water for better adhesion to the mortar except on soft, sandy bricks!

Have fun! Wink

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mostdom · Posted: Wed Jul 29, 2009 1:40 pm Post subject:

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