Venner weight - Woodworking Talk - Woodworkers Forum
 
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post #1 of 5 Old 06-03-2019, 06:17 PM Thread Starter
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Venner weight

After you have your veneer on with contact cement and used a veneer scraper, do you need to clap the panel down or wieght it down with bags of sand or pavers?

If so is 50lbs. suffecient enough? Area is only 13in. x 24in.
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post #2 of 5 Old 06-03-2019, 06:34 PM Thread Starter
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Also, do I need to put contact cement on all my pieces at once or do one side at a time?

I'm think if I only did one at a time my roller or brush may start to harden up with the cement drying on it
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post #3 of 5 Old 06-03-2019, 07:14 PM
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Quote:
Originally Posted by justwood83 View Post
After you have your veneer on with contact cement and used a veneer scraper, do you need to clap the panel down or wieght it down with bags of sand or pavers?

If so is 50lbs. suffecient enough? Area is only 13in. x 24in.
If you use contact cement you use a roller with a pretty good amount of pressure on it. If you don't have a roller you could use a block of wood and a hammer or a rubber mallet. A roller is better though. Just laying something heavy on veneer won't do it. https://www.homedepot.com/p/POWERTEC...E&gclsrc=aw.ds

Now having said that what are you veneering over? If it's something stable like particleboard contact cement would work alright. If you have veneered over solid wood then you will probably have problems. Solid wood expands and contracts with the weather and contact cement isn't strong enough to deal with it. If the wood shrinks the veneer will probably bubble up. Either hide glue or a resin glue would be better when working veneer.
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post #4 of 5 Old 06-08-2019, 02:21 AM
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I'm far from an expert at veneer work, but my first attempt was when i restored an old Singer sewing machine for a friend, who was having it done for his Mother. I considered contact4 cement but after doing some ressarch went with hide glue and it worked very well. Everyone who gave me advice on it put emphasis on making sure there is enough weight to ensure a bond that will last. Not having any fancy vacuum press, i mulled over what i could possibly use to put a LOT of weight on it and decided to first distribute weight using some large ceramic (14x14") floor tiles with some hardwood 2x2's i had across them, and a piece of 1/4 plate steel i had which serves as a rifle target on occasion on trips to the desert. lol. Obviously that wasn't enough weight, so i went a bit overboard and jacked up the front of my car, slid the layered sandwich under, and set the front subframe right on top. I figured as long as it didin't slide any, i'd be set. Maybe i got lucky but it worked. It's been about 8 years since i did the job and i was over at my friends family's house for Christmas this past December and the veneer is perfect. Obviously i know there are likely better ways to go about doing this but wanted to share my very unorthodox " MacGyver" method. At least i avoided buying a very expensive vacuum press that i might have used once or twice over a decade.







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post #5 of 5 Old 06-08-2019, 08:41 AM
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Quote:
Originally Posted by Andrew LB View Post
I'm far from an expert at veneer work, but my first attempt was when i restored an old Singer sewing machine for a friend, who was having it done for his Mother. I considered contact4 cement but after doing some ressarch went with hide glue and it worked very well. Everyone who gave me advice on it put emphasis on making sure there is enough weight to ensure a bond that will last. Not having any fancy vacuum press, i mulled over what i could possibly use to put a LOT of weight on it and decided to first distribute weight using some large ceramic (14x14") floor tiles with some hardwood 2x2's i had across them, and a piece of 1/4 plate steel i had which serves as a rifle target on occasion on trips to the desert. lol. Obviously that wasn't enough weight, so i went a bit overboard and jacked up the front of my car, slid the layered sandwich under, and set the front subframe right on top. I figured as long as it didin't slide any, i'd be set. Maybe i got lucky but it worked. It's been about 8 years since i did the job and i was over at my friends family's house for Christmas this past December and the veneer is perfect. Obviously i know there are likely better ways to go about doing this but wanted to share my very unorthodox " MacGyver" method. At least i avoided buying a very expensive vacuum press that i might have used once or twice over a decade.






That was a good idea to sit the car on it. An actual veneer press is made of heavy steel with I-beams above it with like bottle jacks applying a lot of pressure on the veneer. The substrate is never perfectly flat and it's important to mash out every bubble.
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