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TimW November 1st 20 04:31 PM

traditional ropes
 
I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.

There's a bewildering array of different materials - coir, hemp, flax
etc and some treatments as well like tarred rope. Does anyone know what
is a good choice here for just lasting a few years out in the weather?
Is it better to have thicker rope for lasting, or just strong enough to
do the job?

TW

williamwright November 1st 20 04:44 PM

traditional ropes
 
On 01/11/2020 16:31, TimW wrote:
I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.

There's a bewildering array of different materials - coir, hemp, flax
etc and some treatments as well like tarred rope. Does anyone know what
is a good choice here for just lasting a few years out in the weather?
Is it better to have thicker rope for lasting, or just strong enough to
do the job?

TW


How very bonkers.

Bill

TimW November 1st 20 04:58 PM

traditional ropes
 
On 01/11/2020 16:44, williamwright wrote:
On 01/11/2020 16:31, TimW wrote:
I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So
traditional rope is required.

There's a bewildering array of different materials - coir, hemp, flax
etc and some treatments as well like tarred rope. Does anyone know
what is a good choice here for just lasting a few years out in the
weather? Is it better to have thicker rope for lasting, or just strong
enough to do the job?

TW


How very bonkers.

Bill


Yes there is an element of bonkerishness but I believe it's a worthy cause.

TW

TimW November 1st 20 05:01 PM

traditional ropes
 
On 01/11/2020 16:49, Jethro_uk wrote:
On Sun, 01 Nov 2020 16:31:40 +0000, TimW wrote:

I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.

There's a bewildering array of different materials - coir, hemp, flax
etc and some treatments as well like tarred rope. Does anyone know what
is a good choice here for just lasting a few years out in the weather?
Is it better to have thicker rope for lasting, or just strong enough to
do the job?

TW


No idea, but for some reason I am reminded of seeing a bicycle that had
been leaned against a tree and grown into the trunk a few feet off the
ground (I think there was a story it belonged to a lad who went to WW1
and never came back).

Certainly didn't seem to harm the tree !

returning to the OP, surely anything used to *bind* to a trunk is going
to suffer one of 2 fates. It's stronger than the trunks growth (unlikley)
and the trunk subsumes it. Or it's weaker and at somepoint - no matter
what it's made of - it will snap (hopefully not letting anything fall on
anyone below ....).

AFAICR hemp is natural and vulnerable to damp.


You are right that some thought should be given to the method of
attachment. They don't need to be tightly bound to the trunk, maybe
sitting on a branch and loosely held in place, or hanging down even.

TW

Nightjar November 1st 20 05:52 PM

traditional ropes
 
On 01/11/2020 16:31, TimW wrote:
I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.

There's a bewildering array of different materials - coir, hemp, flax
etc and some treatments as well like tarred rope. Does anyone know what
is a good choice here for just lasting a few years out in the weather?
Is it better to have thicker rope for lasting, or just strong enough to
do the job?


The best rope for outdoor use is undoubtedly Manila. It can last up to
10 years either in dry or in wet but windy conditions. Not having a
chance to dry out will, however, shorten its life. It needs to be
pre-shrunk, by keeping in water overnight, when it will lose up to 10%
of its length. Failing to do that will result in it shrinking when it
first gets wet.

Sisal or hemp are unlikely to last more than three years outdoors and
may last much less.

Tarred rope requires regular re-treatment to avoid the rope rotting and
I suspect that pine tar is probably not something you want around
nesting boxes.

--
Colin Bignell

The Natural Philosopher[_2_] November 1st 20 08:01 PM

traditional ropes
 
On 01/11/2020 16:49, Jethro_uk wrote:
AFAICR hemp is natural and vulnerable to damp.


That would be why prior to chains it was used exclusively by the Royal
Navy and all merchant ships, then


--
€œIt is hard to imagine a more stupid decision or more dangerous way of
making decisions than by putting those decisions in the hands of people
who pay no price for being wrong.€

Thomas Sowell

Dave Liquorice[_2_] November 1st 20 09:21 PM

traditional ropes
 
On Sun, 1 Nov 2020 16:58:57 +0000, TimW wrote:

Yes there is an element of bonkerishness but I believe it's a worthy
cause.


Aye. Wonder if the birdies will decide that strands of natural rope
fibre make ideal nest material?

--
Cheers
Dave.




williamwright November 2nd 20 12:28 AM

traditional ropes
 
On 01/11/2020 16:58, TimW wrote:
How very bonkers.

Bill


Yes there is an element of bonkerishness but I believe it's a worthy cause.


It's all about making you feel happier about yourself.

Bill

williamwright November 2nd 20 12:31 AM

traditional ropes
 
On 01/11/2020 21:21, Dave Liquorice wrote:
On Sun, 1 Nov 2020 16:58:57 +0000, TimW wrote:

Yes there is an element of bonkerishness but I believe it's a worthy
cause.


Aye. Wonder if the birdies will decide that strands of natural rope
fibre make ideal nest material?

Birds are terrible for this sort of thing. They do no end of damage to
aerials and cables.

Bill

williamwright November 2nd 20 12:33 AM

traditional ropes
 
On 01/11/2020 16:31, TimW wrote:
I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.


Why not use whatever you want and then collect it after a couple of
years and recycle it?

Bill

williamwright November 2nd 20 12:34 AM

traditional ropes
 
On 01/11/2020 20:01, The Natural Philosopher wrote:
On 01/11/2020 16:49, Jethro_uk wrote:
AFAICR hemp is natural and vulnerable to damp.


That would be why prior to chains it was used exclusively by the Royal
Navy and all merchant ships, then


Getting wet and then being dried is not damp.

Bill

michael adams[_6_] November 2nd 20 01:01 AM

traditional ropes
 

"TimW" wrote in message ...
I am involved in a project to put some small wooden structures like nesting boxes out in
some woodland. The Desire is that they should be 100% (or at least 99%) biodegradable,
so they last as long as poss but ultimately rot away to nothing. Fixing them in trees
with synthetic ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.

There's a bewildering array of different materials - coir, hemp, flax etc and some
treatments as well like tarred rope. Does anyone know what is a good choice here for
just lasting a few years out in the weather? Is it better to have thicker rope for
lasting, or just strong enough to do the job?

TW


Drill an appropriate sized angled hole in the trunk, insert a length of wooden
dowel and suspend the nest box from that,

Repeat as necessary

A shallow hole won't harm the tree in any way.


michael adams

....







michael adams[_6_] November 2nd 20 01:12 AM

traditional ropes
 

"michael adams" wrote in message
...

"TimW" wrote in message ...
I am involved in a project to put some small wooden structures like nesting boxes out
in some woodland. The Desire is that they should be 100% (or at least 99%)
biodegradable, so they last as long as poss but ultimately rot away to nothing. Fixing
them in trees with synthetic ropes or straps is therefore obviously a complete no-no.
So traditional rope is required.

There's a bewildering array of different materials - coir, hemp, flax etc and some
treatments as well like tarred rope. Does anyone know what is a good choice here for
just lasting a few years out in the weather? Is it better to have thicker rope for
lasting, or just strong enough to do the job?

TW


Drill an appropriate sized angled hole in the trunk, insert a length of wooden
dowel and suspend the nest box from that,


....

Actually you don't even need dowel. Just rough pegs fashioned from the same
species of timber as the boxes. And level rather than angled holes. If the pegs
are fittted securely to the box but a loose fit in the hole then when the box
eventually falls down it should take the peg down with it.


Repeat as necessary

A shallow hole won't harm the tree in any way.


michael adams

...









michael adams[_6_] November 2nd 20 01:21 AM

traditional ropes
 

"TimW" wrote in message ...
I am involved in a project to put some small wooden structures like nesting boxes out in
some woodland. The Desire is that they should be 100% (or at least 99%) biodegradable,
so they last as long as poss but ultimately rot away to nothing. Fixing them in trees
with synthetic ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.


Isn't this risking unwarrented distress, never mind cruellty to any adult birds and
nestlings who may find tjhemselves trapped in a nestbox which has plummeted
to ground as a result of a rope failing "prematurely"


michael adams

....






Fredxx[_3_] November 2nd 20 02:08 AM

traditional ropes
 
On 01/11/2020 16:31:40, TimW wrote:
I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.

There's a bewildering array of different materials - coir, hemp, flax
etc and some treatments as well like tarred rope. Does anyone know what
is a good choice here for just lasting a few years out in the weather?
Is it better to have thicker rope for lasting, or just strong enough to
do the job?


What's wrong with iron nails?

Or Michael Adams' use of wooden pegs?

A rope around a tree will a variable life-time and may restrict growth
in the area affected as well as the tree finally engulfing the rope.

There are also some plastics that do degrade.

Rod Speed November 2nd 20 02:29 AM

traditional ropes
 


"michael adams" wrote in message
...

"TimW" wrote in message
...
I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be 100%
(or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic ropes
or straps is therefore obviously a complete no-no. So traditional rope is
required.


Isn't this risking unwarrented distress, never mind cruellty to any adult
birds and
nestlings who may find tjhemselves trapped in a nestbox which has
plummeted
to ground as a result of a rope failing "prematurely"


Just as true of your wooden peg in the tree. That will likely fail before
the box does.


michael adams[_6_] November 2nd 20 02:58 AM

traditional ropes
 

"Rod Speed" wrote in message
...


"michael adams" wrote in message
...

"TimW" wrote in message ...
I am involved in a project to put some small wooden structures like nesting boxes out
in some woodland. The Desire is that they should be 100% (or at least 99%)
biodegradable, so they last as long as poss but ultimately rot away to nothing. Fixing
them in trees with synthetic ropes or straps is therefore obviously a complete no-no.
So traditional rope is required.


Isn't this risking unwarrented distress, never mind cruellty to any adult birds and
nestlings who may find tjhemselves trapped in a nestbox which has plummeted
to ground as a result of a rope failing "prematurely"


Just as true of your wooden peg in the tree. That will likely fail before the box does.


Indeed. It's true of all wholly biodegradable solutions, potentially. Which
was rather my point.

It's just thst it took me three posts to finally arrive at that concluion,

Plus another one, having to explain it to people such as yourself, at the
back of the class.


michael adams

....









[email protected] November 2nd 20 03:26 AM

traditional ropes
 
On Sunday, 1 November 2020 16:31:44 UTC, TimW wrote:

I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.

There's a bewildering array of different materials - coir, hemp, flax
etc and some treatments as well like tarred rope. Does anyone know what
is a good choice here for just lasting a few years out in the weather?
Is it better to have thicker rope for lasting, or just strong enough to
do the job?

TW


So you want a fixing that will drop the box to the ground every few years. I could ask, but there won't be any sensible reason.

A screw would be more sensible.


NT

michael adams[_6_] November 2nd 20 03:59 AM

traditional ropes
 

wrote in message
...
On Sunday, 1 November 2020 16:31:44 UTC, TimW wrote:

I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.

There's a bewildering array of different materials - coir, hemp, flax
etc and some treatments as well like tarred rope. Does anyone know what
is a good choice here for just lasting a few years out in the weather?
Is it better to have thicker rope for lasting, or just strong enough to
do the job?

TW


So you want a fixing that will drop the box to the ground every few years. I could ask,
but there won't be any sensible reason.

A screw would be more sensible.


Before or after ?

Ideally you're supposed to regularly clean out nestboxes in any case so as to
remove any dead nestlings, fleas, and old nests allowing the birds
to bring in fresh nesting materials. So any screws could be removed
once the box was no longer considered viable.

This is of course on the assumption that these are closed boxes with an access
hole.

michael adams

....



Rod Speed November 2nd 20 04:58 AM

traditional ropes
 


"michael adams" wrote in message
...

"Rod Speed" wrote in message
...


"michael adams" wrote in message
...

"TimW" wrote in message
...
I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.

Isn't this risking unwarrented distress, never mind cruellty to any
adult birds and
nestlings who may find tjhemselves trapped in a nestbox which has
plummeted
to ground as a result of a rope failing "prematurely"


Just as true of your wooden peg in the tree. That will likely fail before
the box does.


Indeed. It's true of all wholly biodegradable solutions, potentially.


Nope. Trivial to use a biodegradable attachment
that will last longer than the box,

Which was rather my point.


Like hell it was.

It's just thst it took me three posts to finally arrive at that concluion,


And still ****ed up completely.



Robin November 2nd 20 07:11 AM

traditional ropes
 
On 01/11/2020 16:31, TimW wrote:
I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.

There's a bewildering array of different materials - coir, hemp, flax
etc and some treatments as well like tarred rope. Does anyone know what
is a good choice here for just lasting a few years out in the weather?
Is it better to have thicker rope for lasting, or just strong enough to
do the job?


Won't the boxes be visited every couple of years or so to check they are
not restricting the growth of the trees, which would allow the use of
secure fixings (eg nylon straps) which can be removed when the boxes
reach the end of their natural lives?

--
Robin
reply-to address is (intended to be) valid

Andy Burns[_13_] November 2nd 20 07:18 AM

traditional ropes
 
Fredxx wrote:

What's wrong with iron nails?


Ask the sawmill


Brian Gaff \(Sofa\) November 2nd 20 07:18 AM

traditional ropes
 
Hemp, but not tarred rope if you want it to rot. Some ropes also stretch or
shrink as well so its worth bearing that in mind. I'll bow to others, but
I'd just say, beware of some natural ropes as they are made of all sorts of
crap.

As a matter of interest, why does it all need to be bio degradable? I would
it not be better to simply take them down clean them up and remove your non
bio degradable stuff at that time?
Brian

--

This newsgroup posting comes to you directly from...
The Sofa of Brian Gaff...

Blind user, so no pictures please
Note this Signature is meaningless.!
"TimW" wrote in message
...
I am involved in a project to put some small wooden structures like nesting
boxes out in some woodland. The Desire is that they should be 100% (or at
least 99%) biodegradable, so they last as long as poss but ultimately rot
away to nothing. Fixing them in trees with synthetic ropes or straps is
therefore obviously a complete no-no. So traditional rope is required.

There's a bewildering array of different materials - coir, hemp, flax etc
and some treatments as well like tarred rope. Does anyone know what is a
good choice here for just lasting a few years out in the weather? Is it
better to have thicker rope for lasting, or just strong enough to do the
job?

TW




Brian Gaff \(Sofa\) November 2nd 20 07:21 AM

traditional ropes
 
I'd not want to be the bird in the box when your rope gives way in the
middle of a gale.
Brian

--

This newsgroup posting comes to you directly from...
The Sofa of Brian Gaff...

Blind user, so no pictures please
Note this Signature is meaningless.!
"TimW" wrote in message
...
On 01/11/2020 16:44, williamwright wrote:
On 01/11/2020 16:31, TimW wrote:
I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.

There's a bewildering array of different materials - coir, hemp, flax
etc and some treatments as well like tarred rope. Does anyone know what
is a good choice here for just lasting a few years out in the weather?
Is it better to have thicker rope for lasting, or just strong enough to
do the job?

TW


How very bonkers.

Bill


Yes there is an element of bonkerishness but I believe it's a worthy
cause.

TW




Harry Bloomfield, Esq.[_2_] November 2nd 20 08:23 AM

traditional ropes
 
michael adams laid this down on his screen :
Isn't this risking unwarrented distress, never mind cruellty to any adult
birds and
nestlings who may find tjhemselves trapped in a nestbox which has plummeted
to ground as a result of a rope failing "prematurely"


Might a suitable legal notice above the entrance to the nesting box,
'Use at your own risk' - obviate the risk of being sueded by an injured
bird?

Tim Lamb[_2_] November 2nd 20 09:04 AM

traditional ropes
 
In message , Andy Burns
writes
Fredxx wrote:

What's wrong with iron nails?


Ask the sawmill

Also discolours Oak. The last *blue Oak* stain I followed turned out to
be a fixing for a telephone cable run. Probably fitted around 60 years
ago.


--
Tim Lamb

Tim Lamb[_2_] November 2nd 20 09:09 AM

traditional ropes
 
In message , Robin
writes
On 01/11/2020 16:31, TimW wrote:
I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So
traditional rope is required.
There's a bewildering array of different materials - coir, hemp,
flax etc and some treatments as well like tarred rope. Does anyone
know what is a good choice here for just lasting a few years out in
the weather? Is it better to have thicker rope for lasting, or just
strong enough to do the job?


Won't the boxes be visited every couple of years or so to check they
are not restricting the growth of the trees, which would allow the use
of secure fixings (eg nylon straps) which can be removed when the boxes
reach the end of their natural lives?


Some Owl boxes put up here (edge of spinney facing 17 acres of
permanent grass) were ignored by potential residents.


--
Tim Lamb

ss November 2nd 20 09:33 AM

traditional ropes
 
On 02/11/2020 07:18, Brian Gaff (Sofa) wrote:
So traditional rope is required.


Would leather straps be an option?

RJH[_2_] November 2nd 20 09:58 AM

traditional ropes
 
On 1 Nov 2020 at 16:31:40 GMT, "TimW" wrote:

I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.

There's a bewildering array of different materials - coir, hemp, flax
etc and some treatments as well like tarred rope. Does anyone know what
is a good choice here for just lasting a few years out in the weather?
Is it better to have thicker rope for lasting, or just strong enough to
do the job?


Wire? Or whatever they used to use for ship's rigging?

--
Cheers, Rob



The Natural Philosopher[_2_] November 2nd 20 10:03 AM

traditional ropes
 
On 02/11/2020 09:33, ss wrote:
On 02/11/2020 07:18, Brian Gaff (Sofa) wrote:
So traditional rope is required.


Would leather straps be an option?


Or osier shoots?


--
€œIt is hard to imagine a more stupid decision or more dangerous way of
making decisions than by putting those decisions in the hands of people
who pay no price for being wrong.€

Thomas Sowell

AJH[_3_] November 2nd 20 11:15 AM

traditional ropes
 
On 02/11/2020 01:01, michael adams wrote:
A shallow hole won't harm the tree in any way.


yes it will and a lot worse than using an aluminium nail, aluminium
being for the benefit of future sawyers, trees don't mind steel.

michael adams[_6_] November 2nd 20 12:49 PM

traditional ropes
 

"AJH" wrote in message ...
On 02/11/2020 01:01, michael adams wrote:
A shallow hole won't harm the tree in any way.


yes it will and a lot worse than using an aluminium nail, aluminium being for the
benefit of future sawyers, trees don't mind steel.


Aluminium nails are less harmful than lengths of wooden dowel, are they ?


michael adams

....

....



williamwright November 2nd 20 01:46 PM

traditional ropes
 
On 02/11/2020 01:01, michael adams wrote:
Drill an appropriate sized angled hole in the trunk, insert a length of wooden
dowel and suspend the nest box from that,


You've invented the branch

Bill

AJH[_3_] November 2nd 20 02:14 PM

traditional ropes
 
On 02/11/2020 12:49, michael adams wrote:
"AJH" wrote in message ...
On 02/11/2020 01:01, michael adams wrote:
A shallow hole won't harm the tree in any way.


yes it will and a lot worse than using an aluminium nail, aluminium being for the
benefit of future sawyers, trees don't mind steel.


Aluminium nails are less harmful than lengths of wooden dowel, are they ?


Yes in that the penetration is immediatly sealed and very small compared
with removing a plug to a depth which likely compromises the tree's
ability to limit fungal action.

TimW November 2nd 20 02:50 PM

traditional ropes
 
On 02/11/2020 01:21, michael adams wrote:
"TimW" wrote in message ...
I am involved in a project to put some small wooden structures like nesting boxes out in
some woodland. The Desire is that they should be 100% (or at least 99%) biodegradable,
so they last as long as poss but ultimately rot away to nothing. Fixing them in trees
with synthetic ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.


Isn't this risking unwarrented distress, never mind cruellty to any adult birds and
nestlings who may find tjhemselves trapped in a nestbox which has plummeted
to ground as a result of a rope failing "prematurely"


That is exactly why I am wondering if a rope of natural fibre will last
as long as my wooden box or longer.

TW

TimW November 2nd 20 02:53 PM

traditional ropes
 
On 02/11/2020 03:26, wrote:
On Sunday, 1 November 2020 16:31:44 UTC, TimW wrote:

I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So traditional
rope is required.

There's a bewildering array of different materials - coir, hemp, flax
etc and some treatments as well like tarred rope. Does anyone know what
is a good choice here for just lasting a few years out in the weather?
Is it better to have thicker rope for lasting, or just strong enough to
do the job?

TW


So you want a fixing that will drop the box to the ground every few years. I could ask, but there won't be any sensible reason.

A screw would be more sensible.


No. I want a fixing which can be expected to outlast the wooden box, but
not last forever.

TW

TimW November 2nd 20 02:56 PM

traditional ropes
 
On 02/11/2020 07:18, Brian Gaff (Sofa) wrote:
Hemp, but not tarred rope if you want it to rot. Some ropes also stretch or
shrink as well so its worth bearing that in mind. I'll bow to others, but
I'd just say, beware of some natural ropes as they are made of all sorts of
crap.

As a matter of interest, why does it all need to be bio degradable? I would
it not be better to simply take them down clean them up and remove your non
bio degradable stuff at that time?
Brian


I want the whole arrangement to be immune to accusations of littering. I
don't want it to last as long as it can but ultimately to biodegrade to
nothing. I don't want the method of mounting to fail prematurely.

TW

TimW November 2nd 20 02:57 PM

traditional ropes
 
On 01/11/2020 17:52, nightjar wrote:
On 01/11/2020 16:31, TimW wrote:
I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss but
ultimately rot away to nothing. Fixing them in trees with synthetic
ropes or straps is therefore obviously a complete no-no. So
traditional rope is required.

There's a bewildering array of different materials - coir, hemp, flax
etc and some treatments as well like tarred rope. Does anyone know
what is a good choice here for just lasting a few years out in the
weather? Is it better to have thicker rope for lasting, or just strong
enough to do the job?


The best rope for outdoor use is undoubtedly Manila. It can last up to
10 years either in dry or in wet but windy conditions. Not having a
chance to dry out will, however, shorten its life. It needs to be
pre-shrunk, by keeping in water overnight, when it will lose up to 10%
of its length. Failing to do that will result in it shrinking when it
first gets wet.

Sisal or hemp are unlikely to last more than three years outdoors and
may last much less.

Tarred rope requires regular re-treatment to avoid the rope rotting and
I suspect that pine tar is probably not something you want around
nesting boxes.


Thanks, that's really useful info!
TW

Andrew[_22_] November 2nd 20 03:07 PM

traditional ropes
 
On 02/11/2020 14:57, TimW wrote:
On 01/11/2020 17:52, nightjar wrote:
On 01/11/2020 16:31, TimW wrote:
I am involved in a project to put some small wooden structures like
nesting boxes out in some woodland. The Desire is that they should be
100% (or at least 99%) biodegradable, so they last as long as poss
but ultimately rot away to nothing. Fixing them in trees with
synthetic ropes or straps is therefore obviously a complete no-no. So
traditional rope is required.

There's a bewildering array of different materials - coir, hemp, flax
etc and some treatments as well like tarred rope. Does anyone know
what is a good choice here for just lasting a few years out in the
weather? Is it better to have thicker rope for lasting, or just
strong enough to do the job?


The best rope for outdoor use is undoubtedly Manila. It can last up to
10 years either in dry or in wet but windy conditions. Not having a
chance to dry out will, however, shorten its life. It needs to be
pre-shrunk, by keeping in water overnight, when it will lose up to 10%
of its length. Failing to do that will result in it shrinking when it
first gets wet.

Sisal or hemp are unlikely to last more than three years outdoors and
may last much less.

Tarred rope requires regular re-treatment to avoid the rope rotting
and I suspect that pine tar is probably not something you want around
nesting boxes.


Thanks, that's really useful info!
TW


What do BaE systems use to maintain the Victory down at Pompey ?.

Fredxx[_3_] November 2nd 20 03:07 PM

traditional ropes
 
On 02/11/2020 09:04:14, Tim Lamb wrote:
In message , Andy Burns
writes
Fredxx wrote:

What's wrong with iron nails?


Ask the sawmill

Also discolours Oak. The last *blue Oak* stain I followed turned out to
be a fixing for a telephone cable run. Probably fitted around 60 years ago.


Yebbut - will the resident birds care over a little discolouration of
their 'house'?



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