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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Does PVA wood glue have a particular affinity for wood?
Because when I happen to leave the application brush unwashed for an
hour, it's still usable, whereas when I yesterday glued a piece of timber in place it started almost immediately to "grab". In another situation I drilled a hole for a dowel through both pieces of wood, glued the dowel and hammered it in. But stupidly I had not previously located a suitable punch to punch it right through into the second piece, and by the time I did find one (30 seconds) that dowel was immovable. I've done this before and it works fine as long as one does not pause even for a second whilst hammering it through. This is Evo-Stik Weatherproof Wood Adhesive, by the way. I fill the hole in the outer piece with another dowel cut off flush, then planed or sanded, by the way(2). MM |
#2
Posted to uk.d-i-y
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Does PVA wood glue have a particular affinity for wood?
"MM" wrote in message ... In another situation I drilled a hole for a dowel through both pieces of wood, glued the dowel and hammered it in. But stupidly I had not previously located a suitable punch to punch it right through into the second piece, and by the time I did find one (30 seconds) that dowel was immovable. I've done this before and it works fine as long as one does not pause even for a second whilst hammering it through. That would be the dowel expanding due to moisture... ? |
#3
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Does PVA wood glue have a particular affinity for wood?
On Thu, 1 Apr 2010 21:48:58 +0100, "Steve Walker"
wrote: "MM" wrote in message .. . In another situation I drilled a hole for a dowel through both pieces of wood, glued the dowel and hammered it in. But stupidly I had not previously located a suitable punch to punch it right through into the second piece, and by the time I did find one (30 seconds) that dowel was immovable. I've done this before and it works fine as long as one does not pause even for a second whilst hammering it through. That would be the dowel expanding due to moisture... ? In 30 seconds? MM |
#4
Posted to uk.d-i-y
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Does PVA wood glue have a particular affinity for wood?
MM wrote:
On Thu, 1 Apr 2010 21:48:58 +0100, "Steve Walker" wrote: "MM" wrote in message ... In another situation I drilled a hole for a dowel through both pieces of wood, glued the dowel and hammered it in. But stupidly I had not previously located a suitable punch to punch it right through into the second piece, and by the time I did find one (30 seconds) that dowel was immovable. I've done this before and it works fine as long as one does not pause even for a second whilst hammering it through. That would be the dowel expanding due to moisture... ? In 30 seconds? easily MM |
#5
Posted to uk.d-i-y
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Does PVA wood glue have a particular affinity for wood?
"MM" wrote in message ... Because when I happen to leave the application brush unwashed for an hour, it's still usable, whereas when I yesterday glued a piece of timber in place it started almost immediately to "grab". It's just that when it is in a joint it is in contact with wood over a large surface area .. and if your joints are any good very thinly ... dry wood acts like a sponge and sucks out the water content ... quickly. I usually dampen wood slightly when I glue (except with contact adhesive) |
#6
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Does PVA wood glue have a particular affinity for wood?
On Thu, 1 Apr 2010 21:52:02 +0100
"Rick Hughes" wrote: "MM" wrote in message ... Because when I happen to leave the application brush unwashed for an hour, it's still usable, whereas when I yesterday glued a piece of timber in place it started almost immediately to "grab". It's just that when it is in a joint it is in contact with wood over a large surface area .. and if your joints are any good very thinly ... dry wood acts like a sponge and sucks out the water content ... quickly. I usually dampen wood slightly when I glue (except with contact adhesive) I bet you like Polyurethane glue then! (Moisture set, even underwater) R. |
#7
Posted to uk.d-i-y
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Does PVA wood glue have a particular affinity for wood?
MM wrote:
Because when I happen to leave the application brush unwashed for an hour, it's still usable, whereas when I yesterday glued a piece of timber in place it started almost immediately to "grab". In another situation I drilled a hole for a dowel through both pieces of wood, glued the dowel and hammered it in. But stupidly I had not previously located a suitable punch to punch it right through into the second piece, and by the time I did find one (30 seconds) that dowel was immovable. I've done this before and it works fine as long as one does not pause even for a second whilst hammering it through. This is Evo-Stik Weatherproof Wood Adhesive, by the way. I fill the hole in the outer piece with another dowel cut off flush, then planed or sanded, by the way(2). It sort of dries out to grab, then seems to set in some mysterious way. It loves porous wood. MM |
#8
Posted to uk.d-i-y
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Does PVA wood glue have a particular affinity for wood?
The Natural Philosopher wrote:
MM wrote: Because when I happen to leave the application brush unwashed for an hour, it's still usable, whereas when I yesterday glued a piece of timber in place it started almost immediately to "grab". In another situation I drilled a hole for a dowel through both pieces of wood, glued the dowel and hammered it in. But stupidly I had not previously located a suitable punch to punch it right through into the second piece, and by the time I did find one (30 seconds) that dowel was immovable. I've done this before and it works fine as long as one does not pause even for a second whilst hammering it through. This is Evo-Stik Weatherproof Wood Adhesive, by the way. I fill the hole in the outer piece with another dowel cut off flush, then planed or sanded, by the way(2). It sort of dries out to grab, then seems to set in some mysterious way. It loves porous wood. MM It has an affinity for most things, especially the spout of the plastic container it comes in. |
#9
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Does PVA wood glue have a particular affinity for wood?
On Fri, 02 Apr 2010 11:47:19 +0100, stuart noble
wrote: The Natural Philosopher wrote: MM wrote: Because when I happen to leave the application brush unwashed for an hour, it's still usable, whereas when I yesterday glued a piece of timber in place it started almost immediately to "grab". In another situation I drilled a hole for a dowel through both pieces of wood, glued the dowel and hammered it in. But stupidly I had not previously located a suitable punch to punch it right through into the second piece, and by the time I did find one (30 seconds) that dowel was immovable. I've done this before and it works fine as long as one does not pause even for a second whilst hammering it through. This is Evo-Stik Weatherproof Wood Adhesive, by the way. I fill the hole in the outer piece with another dowel cut off flush, then planed or sanded, by the way(2). It sort of dries out to grab, then seems to set in some mysterious way. It loves porous wood. MM It has an affinity for most things, especially the spout of the plastic container it comes in. Yes, it dries hard after a week or two, but on wood it seems to "take" in no time. I usually leave a joint overnight, but I've noticed that joints are rock solid after just a couple of hours. I wouldn't like to subject them to the full working load, mind you, but if one is glueing and then screwing afterwards, it's not necessary to wait 24 hours. BTW, anyone know why we used to use horrid-smelling fish glue at school? It was kept warm in a pot of hot water, as I recall. Wasn't PVA around in the 1950s? MM |
#10
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Does PVA wood glue have a particular affinity for wood?
MM wrote:
On Fri, 02 Apr 2010 11:47:19 +0100, stuart noble wrote: The Natural Philosopher wrote: MM wrote: Because when I happen to leave the application brush unwashed for an hour, it's still usable, whereas when I yesterday glued a piece of timber in place it started almost immediately to "grab". In another situation I drilled a hole for a dowel through both pieces of wood, glued the dowel and hammered it in. But stupidly I had not previously located a suitable punch to punch it right through into the second piece, and by the time I did find one (30 seconds) that dowel was immovable. I've done this before and it works fine as long as one does not pause even for a second whilst hammering it through. This is Evo-Stik Weatherproof Wood Adhesive, by the way. I fill the hole in the outer piece with another dowel cut off flush, then planed or sanded, by the way(2). It sort of dries out to grab, then seems to set in some mysterious way. It loves porous wood. MM It has an affinity for most things, especially the spout of the plastic container it comes in. Yes, it dries hard after a week or two, but on wood it seems to "take" in no time. I usually leave a joint overnight, but I've noticed that joints are rock solid after just a couple of hours. I wouldn't like to subject them to the full working load, mind you, but if one is glueing and then screwing afterwards, it's not necessary to wait 24 hours. I use it extensively on balsa and ply, in model aircraft., Its very strong,doesn't crack and is generally 'handling safe in under an hour, though springy stuff may break the join after that time. Overnight is maybe not full strength, but its close. I've speeded it up by putting small assemblies in the bottom aga oven. A trick that is very good for epoxy, too. BTW, anyone know why we used to use horrid-smelling fish glue at school? It was kept warm in a pot of hot water, as I recall. Wasn't PVA around in the 1950s? MM |
#11
Posted to uk.d-i-y
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Does PVA wood glue have a particular affinity for wood?
"MM" wrote in message ... On Fri, 02 Apr 2010 11:47:19 +0100, stuart noble wrote: The Natural Philosopher wrote: MM wrote: Because when I happen to leave the application brush unwashed for an hour, it's still usable, whereas when I yesterday glued a piece of timber in place it started almost immediately to "grab". In another situation I drilled a hole for a dowel through both pieces of wood, glued the dowel and hammered it in. But stupidly I had not previously located a suitable punch to punch it right through into the second piece, and by the time I did find one (30 seconds) that dowel was immovable. I've done this before and it works fine as long as one does not pause even for a second whilst hammering it through. This is Evo-Stik Weatherproof Wood Adhesive, by the way. I fill the hole in the outer piece with another dowel cut off flush, then planed or sanded, by the way(2). It sort of dries out to grab, then seems to set in some mysterious way. It loves porous wood. MM It has an affinity for most things, especially the spout of the plastic container it comes in. Yes, it dries hard after a week or two, but on wood it seems to "take" in no time. I usually leave a joint overnight, but I've noticed that joints are rock solid after just a couple of hours. I wouldn't like to subject them to the full working load, mind you, but if one is glueing and then screwing afterwards, it's not necessary to wait 24 hours. BTW, anyone know why we used to use horrid-smelling fish glue at school? It was kept warm in a pot of hot water, as I recall. Wasn't PVA around in the 1950s? Animal glue in a gas heated pot used to be used in my woodwork class in the 70's ......... and PVA was certainly about then. The advantage of hot melt glue was that it was gap filling and set as soon as it cooled. Axminter still sell the stuff. Elf & Safely ... probably wouldn't let school kids near it now. |
#12
Posted to uk.d-i-y
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Does PVA wood glue have a particular affinity for wood?
Rick Hughes wrote:
"MM" wrote in message ... On Fri, 02 Apr 2010 11:47:19 +0100, stuart noble wrote: The Natural Philosopher wrote: MM wrote: Because when I happen to leave the application brush unwashed for an hour, it's still usable, whereas when I yesterday glued a piece of timber in place it started almost immediately to "grab". In another situation I drilled a hole for a dowel through both pieces of wood, glued the dowel and hammered it in. But stupidly I had not previously located a suitable punch to punch it right through into the second piece, and by the time I did find one (30 seconds) that dowel was immovable. I've done this before and it works fine as long as one does not pause even for a second whilst hammering it through. This is Evo-Stik Weatherproof Wood Adhesive, by the way. I fill the hole in the outer piece with another dowel cut off flush, then planed or sanded, by the way(2). It sort of dries out to grab, then seems to set in some mysterious way. It loves porous wood. MM It has an affinity for most things, especially the spout of the plastic container it comes in. Yes, it dries hard after a week or two, but on wood it seems to "take" in no time. I usually leave a joint overnight, but I've noticed that joints are rock solid after just a couple of hours. I wouldn't like to subject them to the full working load, mind you, but if one is glueing and then screwing afterwards, it's not necessary to wait 24 hours. BTW, anyone know why we used to use horrid-smelling fish glue at school? It was kept warm in a pot of hot water, as I recall. Wasn't PVA around in the 1950s? Animal glue in a gas heated pot used to be used in my woodwork class in the 70's ......... and PVA was certainly about then. The advantage of hot melt glue was that it was gap filling and set as soon as it cooled. Axminter still sell the stuff. Elf & Safely ... probably wouldn't let school kids near it now. HOT GLUE GUN. |
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