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I got mold, it's multiplying.

 

found quite a bit under the gunnels toward the stern, where there's not much heat. I had just stuck marine ply under there and dread the job of scraping these pieces of ply off.

 

could I sand back the mold on surface or any natural mold killer that works?

 

also how best to avoid this happening, 

 

thsnks

IMG_1130.JPG

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Quite likely you have a leaking window.if the mould has got into the ply then there is little you can do except dry it out and paint it.If it's surface mould Cillit Bang black mould remover is quite effective.

May also be caused by poor ventilation.

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I've been using this stuff for years on boats and around the house - clears up the mould but does not stop recurrence  so you need to find the cause. In our case, its just a minor area round one window, so just treat it every year or so - easier than replacing the window! Highly recommend this product.

 

https://www.diy.com/departments/hg-mould-remover-0-5l/136829_BQ.prd?ds_rl=1272379&ds_rl=1272409&ds_rl=1272379&gclid=CjwKCAiA9bmABhBbEiwASb35V0bOFXWEjGDOXS4LgB8PH3xbgChvsFL4VmQ8uqF8I2yZ-QMjZcyOBxoCA1IQAvD_BwE&gclsrc=aw.ds&storeId=1142

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13 minutes ago, Tracy D'arth said:

That ply looks unvarnished, it will absorb water.  As said, kill mould, dry out (hairdryer?) and varnish.

Mold is a town in Wales incidentally.

 

Used to live just outside Mold.

No1 Son played Rugby for Mold and North Wales before joining Llanelli (The Scarlets)

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6 minutes ago, Alan de Enfield said:

 

Used to live just outside Mold.

No1 Son played Rugby for Mold and North Wales before joining Llanelli (The Scarlets)

They broke the mould when they had created Alan de E.          thank heavens for the Welsh.

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1 hour ago, Murflynn said:

do you represent John Lewis?  Is this a phishing trip to get certain products publicised?

 

 

Well, if he is, he has some serious financial issues :

 

 

Retail giant John Lewis is planning to close stores, make 1500 redundancies and scrap its prized bonus, it has been reported. The department store chain finally reopened a raft of its stores last month, after closing three months ago when lockdown arrived.

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54 minutes ago, John Lewis said:

Fraid not - I just stuck ply straight to the steel under Gun wall.

 

I guess it needs proper insulation first doesn't it.

 

 

Yup. There's your problem. Every part of the shell from floor level up needs to be insulated.  And if you use anything other than spray foam you really should have a vapour barrier on the inside face. 

If you have gaps in the insulation you will get condensation on the cold parts, and mould growth follows.

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In that picture its actually the lack of mould that is interesting, the pine planking has no mould - thats good. The ply is maybe touching some bare steel and is therefore cold = damp = mould. Under the gunnel is always awkward, you need at the very least an inch of good insulation, that is difficult to fix and the ply lining is difficult to fix as well so you will have to fix battens to the pine planking and screw the ply up into them and then work out some way to fix to the cabin sides. Its awkward , takes longer than you think and uses more materials than you think it should. Has to be done though, good luck.

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20 minutes ago, Bee said:

In that picture its actually the lack of mould that is interesting, the pine planking has no mould - thats good. The ply is maybe touching some bare steel and is therefore cold = damp = mould. Under the gunnel is always awkward, you need at the very least an inch of good insulation, that is difficult to fix and the ply lining is difficult to fix as well so you will have to fix battens to the pine planking and screw the ply up into them and then work out some way to fix to the cabin sides. Its awkward , takes longer than you think and uses more materials than you think it should. Has to be done though, good luck.

Some timbers and certain glues are more prone to mould colonies I have found. Plywood seem to be particularly prone to attack.

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39 minutes ago, jonathanA said:

No Wrexham is a different town south east of mold.

You are perfectly correct - but to anyone with an interest in old railways, the one name evokes the other. There was a Wrexham, Mold and Connah's Quay Railway until it was swallowed in 1923 by - surprisingly, given its location - the London & North Eastern.

Edited by Athy
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19 minutes ago, Athy said:

You are perfectly correct - but to anyone with an interest in old railways, the one name evokes the other. There was a Wrexham, Mold and Connah's Quay Railway until it was swallowed in 1923 by - surprisingly, given its location - the London & North Eastern.

 

 

The farm we had in Wales was North of Wrecsam and included the site of the old Ffrwd coal mine, brick works and steel works and the Ffrwd canal, an extract from the history of the canal :

 

 

Some of the southern part of the canal has disappeared under housing though part survives as a footpath. The best surviving section gives a pleasant and interesting half mile walk — but have good footwear. Cars can conveniently be left where the Sydallt–Ffrwd does a sharp left hand bend. (Map reference SJ310554) Here there used to be a bridge over the Wrexham, Mold & Connah’s Quay Railway’s branch to Ffrwd and Brynmally. This was opened in 1866, and its construction destroyed some parts of the old canal, as we shall see. (The railway finished up in the London & North Eastern Railway’s empire. It closed in 1930, the track being lifted five years later.) Just west of the former railway, a stile leads into a field. Climb over this, then follow the right hand hedge. With some imagination, a slight depression can be seen in the field, intercepting the hedge at a narrow angle. Here the cutting of the railway totally destroyed the remains of the canal which used to continue along the 386' contour then make a sharp left hand turn.

 

At the end of the hedge is another stile; climb over this, then continue along the edge of the field, keeping the hedge on your left. Shortly you come to another stile — and the remains of the canal in front of you are very clear. This is a typical narrow canal, with a flat bottom to the channel, sizes sloping at about 1:2, and the towpath on the downhill side. The towpath can be walked for about a quarter of a mile. Towards the end we found much of the line of the canal still in water, though the railway in a cutting to our right was (relatively) dry. This shows how effectively the canal was puddled. The remains of the Ffrwd iron and coal works can be seen to the right; this pre-dated the canal and survived until 1904. Having thrown out a siding to the works, the railway begins to climb steeply at 1 in 35. The cutting soon becomes an embankment, and that starts to cover the line of the canal. Here the footpath has to change from being on the towpath to on the track-bed. Eventually all sign of the canal’s existence disappears; shortly afterwards the footpath goes up some steps to the road above. (The return journey to the car is most conveniently done using this road over the edge of Windy Hill.) The other place where the canal’s remains can be examined is at the hamlet of Ffrwd. Cars may be safely parked near the road junction (SJ 300547). Opposite the junction a footpath crosses a stile. A few yards further on is an abandoned colliery shaft — from there, if you look over to your left you will see what looks like a pond. This was the terminal basin of the canal. Alongside it, a moss-covered pile of stones, bricks and tiles reveals the site of a small building, possibly canal-related. It is surprising how much is still visible, two hundred years after abandonment.

 

 

Ffrwd Canal.jpg

Edited by Alan de Enfield
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