In fact i read the other day that wood that is down will tend to stabilize after a while and take much longer than a year per inch to dry. Jun 02, 2014 len laviolette show paul akers how he uses fastcaps 2p10 to fill the wood on the beautiful guitars he makes. What concerns me are the set of lines in the finish, by the stand neck in the picture. The finish kits come with either, deep colour, base and top coats depending on the type of kit, designed to meet the demands of wood. If you want a guide on how to build a slab table from start to finish, take a look at our wood slab table diy guide. Pasta tinkyada gluten free with a non dairy unsweetened almond milk white wine and shiitake cream sauce with fresh maine scallops topped with a chardonnay bellavitano cheese. Finish crack question gibson acoustic gibson brands forums. Its a 24 year old guitar, and the only dings and finish checking are on the back of the neck.
This is the major reason behind lacquer cracksthe wood moves while the. Or an oil finish may increase the warmth of an overly. Grain filler is made up of three basic ingredients. Its a polyurethane glue that works very well in certain circumstances water contact, etc. After the putty dries, you can stain and seal it along with the rest of the floor. Choose a lacquer repair kit which contains the substances that you can use to fill the cracks in the lacquer. Between the glue, and the fact that string tension is working in favor of keeping the crack closed, im feeling confident this will be stable. Jan 26, 2009 i have started using the armrseal and i agree that it is a great product. Frequently asked questions guitarscratchremover by eternashine. Couldnt get it all the way down to the last 14 or so, guessing maybe the wood hadnt actually split that far. Cleaning and protecting fingerboards and bridges given an intact finish, the outside of the guitar is reasonably well protected and, with a sound hole cover humidifier in dry environments, will stabilize the interior raw surfaces of the instruments. How to repair a crack in a solid top acoustic guitar. If you filled the cracks and pores with resin, i recommend a typical top coat of laquer, urethane, or poly. It is absolutely critical with opengrained woods that the pores be filled in order to obtain a smooth wood surface before any finish is even applied to the wood.
Mar 29, 2019 varnish is a popular finish for raw and unfinished wooden furniture. Fixing crack in the lacquer the steel guitar forum. Jul 17, 2017 wait one hour, and use a soft cloth, if necessary, to dab up pools of excessive tung oil. Work from the middle of the working surface toward the edges. Knowing how to evaluate the seriousness of a crack will allow you to determine whether to call a repair person immediately or whether it might be ok to leave it alone for a. I completed a solid body electric guitar in december of last year. Cracking may occur during the initial woodworking, due to the stresses to which the wood is exposed in the course of being cut, moved and fashioned. Its not a difficult job but there are a few basic steps to keep in mind which we will outline. As i understand, armrseal is a pure wiping varnish, so it is technically a clear finish.
On an electric, electrosemiacoustic or acoustic guitar. For more information on fastcaps 2p10, visit our website. More recently polyurethane, polyester, and other catalyzed coatings have been used in guitar manufacturing and the quality of waterbased finishes has increased steadily so that now the best of them equal. Had stradivarius not used finishes on his violins they may not still be around. Here i will be doing a slightly thicker finish by creating a sanding slurry with the truoil in order to fill the grain slightly. Your electric guitars finish can experience any number of problems as you play it over. By the time antonio stradivari 1644 12181737 crafted his violins, cellos, guitars, violas, harps and basses, the process of wood finishing had evolved to an art.
The finish may boost trebles just a little bit to make for a more balanced tone. If youre thinking ok, lets get these cracks and openings filled up as the first thing to do, stop. If you go after a deep scratch with sandpaper, you will probably sand through the topcoat and into the color coats or raw wood. How to touch up and repair electric guitar finish guitar repair. Cracks are one of the many ways that coatings film forming transparent finishes and paints can fail. Working the polish into the cloth helps reduce the amount of build up that can form if one gets polish on bare wood or in cracks and finish chips.
Its been a while since weve been to the belly up in solano beach and it was good to be. If you glue your eyelids shut, id go easy on the acetone and maybe seek pro help. Finishing watch george vondriska illustrate the process of repairing wood cracks in your projects. How to repair a lacquer finish home guides sf gate. The thin, watery superglue will fill cracks in lacquer pretty well. Removing scratches from guitar finishes lacquer repair.
If youre painting it a dark color, apply a gray sealer. Purchase a water based wood sealer that has a high gloss. The materials that make up a guitar expand and contract at different rates with temperature and humidity changes. Naturally, external cracks and scratches will occur due to physical. Wait one hour, and use a soft cloth, if necessary, to dab up pools of excessive tung oil. To make matters even more complex, within these available options there are also any number of material considerations and methods of application to consider.
Polymer finishes talked about the differences between an epoxy. Theres something alluring about the finish of a vintage guitar, but we can get. The foundation to every mirrorlike gloss finish is an underlying smooth wood surface. The process of finishing musical instruments was primarily a practical matter. Could also be from a tight neck pocket or over tightened neck. May 16, 2009 i completed a solid body electric guitar in december of last year. You are carrying around a wooden box made of exotic hardwoods measuring anywhere from about. Nov 15, 2012 if the guitar is subject to rapid changes in temperature, the paint will expand and contract at a different rate than the wood, which will eventually result in cracks in the lacquer. Finish cracks generally occur when you take the guitar from a cold environment to a warmer one without letting it warm up gradually. Glazes and waxes attempt to fill scratches and claim to make them less noticeable. You can take precautions to minimize it but, again, its a gibson so finish checking just kind of comes with the turf. Porous woods may soak up a considerable amount of epoxy as you work. Firstly, the clear finish seals the timber and provides the nice oiled, semigloss finish that appeals to most guitar owners and secondly the clear coat will help protect the surface of the. Wood grain filler for guitar bodies guitar kit world.
Low humidity can cause significant cracks because the acoustic structure is made using fairly delicate wood. But, humidifying the inside of the body of the guitar, however, isnt going to help. To avoid this, consider using a humidifier in the storage room for the guitar. Cracks in the body of your solid top acoustic guitar are often cause by physical damage to the guitar or shrinkage due to a lack of humidity. I wish it had a fender sunburst, he says, meaning the threecolor burst of so many 1960s fenders. I have an applause ae28 electricacoustic guitar that plays pretty well, but doesnt look so great.
Whoah playing the star spangled banner was an honor indeed more will be revealed categories. For natural colored woods in varying shades of brown, an oilbased pore filler can be used. How to fix cracks in wood even though you may have tried to use wood without any cracks, splits, holes, or gouges, sometimes you end up with imperfections you didnt notice or couldnt avoid. Dan erlewine shows how he makes a new finish repair on a 1956 strat. Unfinished furniture finishing tips how to finish unfinished. There are a couple of cracks in the thick plasticy finish. That sweat, dirt and organisms are gonna destroy the integrity of the wood in manifest ways, ways in which a couple layers of finish could never do to the function of any wood. Nitrocellulose can be tinted to any desired color, and its the dye that changes color over time under the influence of uv radiation i.
Its a good look, created in nitrocellulose lacquer instead of the hard plastic coating thats on there now. Step 8 finishing the guitar body with tung oil, wax or buffing oil. Finish checking tiny splits in the finish usually occurs in winter as the result of sudden exposure of a cold instrument to the shock of warmer temperatures. Depending on the severity and location of the crack, a repair is as simple as stabilizing the wood and applying glue to secure it. I have a d41 that has some rough spots on the back of the neck. Finishing options for musical instruments luthiers. Aug 14, 2011 this sample shows a finish that is marred by checking. And anyone who has ever used gorilla glue knows it has no place in guitar constructionrepair. It can be resurfaced and buffed over real nicely too. The first step in making a repair is to clean the surface with mineral spirits. The longest crack should not be in an area of high stress from the strings. You can fill cracks, scratches, or even slightly mismatched joints with several different products, including wood putty, wax sticks, and shellac sticks. As a wood finish, tung oil is a penetrating oil not well suited to musical instruments as it dampens vibration. Geoff, the owner of this fender jazz bass, says it plays fine but i dont really like the color.
They occur in a variety of forms to include checking, crazing, cracking, alligatoring, and mud cracking. A good day to stay warm and look out the window, and perhaps give a guitar lesson on zoom and have a great home cooked meal. But, humidifying the inside of the body of the guitar, however, isnt going to help protect. Without a finish, wood can dry, crack and deteriorate or if exposed to moisture swell so that drawers and doors no longer work. The goal of the sanding is to remove all of the filler in the field the light area of the wood of the wood leaving the filler in the grain pits only. If the guitar is subject to rapid changes in temperature, the paint will expand and contract at a different rate than the wood, which will eventually result in cracks in the lacquer. Overspraying spraying over the existing finish is an option if you just cant live with the cosmetic imperfection of a crack, but it should be avoided on any vintage guitar. Too much moisture will cause wood to swell and often distort from its shape. Its going to be several weeks before i can get the bass to the luthier and i need to use the bass quite a bit in that time. Cracking in cedar wood is irreversible and can be visually unpleasant and, in extreme cases, harmful to the structural integrity of the wood. How to repair acoustic guitar finish guitar repair bench. Guitar making guitar finishing filling wood 2p10 youtube. The classic scenario is you buy the guitar from afar and it arrives on the ups truck in january, cold soaked to 30 degrees. When painting any substrate, we must always begin with a clean, dirt and grease free surface.
A matte finish will reduce the reflectivity youd otherwise get from a glossy finish, will protect the wood moreso than an oil tung oil, boiled linseed oil, mineral oil, etc, and once it has cured is foodsafe. Restoring checked and crazed finishes woodworking network. Other woods, like cherry, tend to blotch under oilbased stains. Learn how to repair a polyester guitar finish in an hour using solarez polyester uvcure resin. The wood in the neck would not crack perpendicular to the grain. This can absolutely reek havoc on a guitar where many parts are assembled with exact tolerances. Theres an endless list of choices available when it comes to guitar finishing.
Now that you have a clean and scratch free finish you can concentrate on filling the cracks. Options include oiling, staining, finishing in a graduated combination of colors e. How to repair cracks in your acoustic guitar guitar alliance. Use a white sealer if youre painting your guitar a lighter color. You can purchase wood sealer online or at a hardware store. Finishing diy kits wudtone custom guitar innovation. If you left the grain au natural try a low sheen rubbed finish to bring out the rustic appearance of the wood. Theres a thin crack under the guitar not far from t. To achieve this the open pores of the timber should be filled using wood grain filler.
Follow this advice on the various types of wood finishes and when each one is used. That is because poly remains more flexible than the wood, and will not crack unless there is a crack in the wood beneath it. How to custom paint your electric guitar with pictures. Unfortunately ovationapplause guitars are prone to stress and temperature cracks much more than all wood guitars where all the wood can move around sympathetically. Some woods, notably softwoods, tend to absorb more stain than people would like, often selectively, such as in the early wood bands as opposed to the late wood bands. Because of the coarse texture of rough lumber, this step may be unnecessary depending on the condition of the wood. Wood putty is soft and doughlike, which allows you to spread and pack it into large floor cracks with a putty knife.
The wood and finish expand and shrink at different rates. The same qualities make it an excellent finish for furniture and architectural woodwork as it preserves the woods elastic qualities and is easily maintained and repaired. Preparing bare wood for painting or staining correctly, is a must to ensure a beautiful long lasting finish. Avoid using paste polishes on raw wood fingerboards and bridges and use caution when polishing near cracks or finish chips to avoid impacting them. Looks like a crack in the finish to me though there is what looks like a bit of paint missing near the neck pocket. Firstly there is the binder which is acrylic in waterbased grain fillers. Nov 11, 2018 all hardwoods are fairly open grained, some more than others. My question stems from the need for protection on wood furniture, especially on the table i am building, but i really prefer the way wood looks raw, right before putting on finish. Guitar finishing 101 the highlighted grain stain finish. The finish is probably polyurethane and very, very tough to get off. You know the drill, tons of coats, wet sand, polish.
How to repair cracks in your acoustic guitar if you own an acoustic guitar long enough, chances are good that youll have to deal with the repair of a crack in the wood. On the other hand, a climate thats too dry can cause wood to become brittle and ultimately crack. Only one extreme defect calls for stripping the wood and spraying a new finish. Checking is a mild form of cracking and doesnt go all the way through the finish.
Sometime during the life of an average acoustic guitar, it will likely develop at least a small crack. Wood expands as it warms, faster than the finish does. My american standard has finish cracks from temperature changes. Len laviolette show paul akers how he uses fastcaps 2p10 to fill the wood on the beautiful guitars he makes. Dyes can be wiped on alder over the filled and sanded wood but sanding through may occur during the next step. Nitrocellulose lacquer, however, has been the primary wood finishing material, and american guitar factory preference, for over eighty years. Wood takes about a year per inch to dry so a tree that has been down for a few years is still very green on the inside. How to clean a guitar finish, fingerboard and frets. Repairing cracks in acoustic guitars examples of cracks. The finish provides complete protection against beer, wine, cola, coffee, tea, fruit juice, milk. Preparing bare wood for painting or staining the paint people. Upgrading the pickups to more rustic or vintage sounding ones will give your guitar the look and. Acoustic soundboard acoustic pro advice howtos upkeep february 2014. Dont try this at home, but with cracks caused by low humidity, we always start by putting a trash bag over the entire body and adding humidity inside the bag for a.
A previous poster mentioned that it may not be much to worry about. Dont forget that acetone nail polish remover is your best remedy for getting your fingers unstuck with crazyglue. If its excessively dry it will drink up the oil readily, and wont need to be wiped off. Allow project to cure for 24 hours in a dustfree room. How to varnish raw and unfinished wooden furniture with.
The guitar was not particularly expensive so i thought about modding or should i say changing it a bit. In an effort to avoid a repeat, and keep the new adhesive from pulling up wood fibers if removed again, this bare area of wood beneath the guitar is usually sealed with finish. It is generally known as finish checking and it is typical on slightly older instruments that have a lacquer finish but can arise on new. The pickups, bridge, neck wood, neck thickness, nut material, body wood, body shape, string gauge and the player himself will each have at least as much to do with the tone as the finish, if not considerably more. Properly applied varnish will also give your bare wood furniture pieces a shiny, lustrous finish. Not sure if i should be posting this here or in dyi, but here goes. Some finishers choose to partially seal the wood in an attempt to float the stain atop as.
The real truth is that the finish on an electric guitar will only play a very small role in the overall tone. While it is difficult to tell anything from the posted pics, there is really no such thing as a finish crack on a poly finished guitar like an epi. Although staining furniture is optional, applying a finish is essential to protect the woods surface. To repair these cracks the stress must be eliminated by removing the pickguard and reattaching or replacing it. Custom guitar paint in austin mythic guitar company. How to repair a crack in a solid top acoustic guitar our.
The art of ageing guitars how to achieve the road worn look. Look at the difference in color between the 1956 neck and a new unfinished one. Just following up to see if anyone has any more input on the finish cracks. The older ovations used a nitrocellulose finish that is well known to crack, especially with severe temperature shock.
This will fill the gaps but it will always be slightly visible. Silica as a bulking agent ideal because it wont shrink depending on the temperature of your work environment and the solvent which in waterbased grain fillers is obviously water grain filler is not to be mistaken with timber putty. If your guitar has finish checking, polish will build up in the hairline cracks, and this can discolor the wood underneath or even cause the finish to flake off. Not for unfinished wood or areas without a high gloss clearcoated finish. The varnish will protect the wood from water, grease and dirt. This contemporary will also be getting a truoil finish, however i will be using a different method of application. A woodworkers guild of america wwgoa original video. May 31, 2012 wood screws should never be used to hold a bridge on gibson, take note.
Generally, the body will shrink due to the dry environment until it eventually fractures. The new finish just doesnt crack like the old finish. If youve had much experience playing, collecting or repairing vintage guitars, chances are you are familiar with the sight of tiny cracks all across the finish. Drop filling a scratch, leveling the fill with the surface and then buffing the instrument is another technique. Moisture, or lack thereof, is woods achilless tendon. Depending on how scuffed the surface is, you might have to apply using a spray gun.
I noticed after five months old the finish is developing cracks one just over 2 long between the pickups at the top edge of them. Then repeat the process until the finish starts to crack. Apply this paste into the cracks and gently smooth it down. Hi everyone, first post here i just got myself a beautiful j45 antique natural which i absolutely love. Each luthier of the day had their particular formula for finishing instruments each struggled to have the richest color, luster and depth or visual feel. I have started using the armrseal and i agree that it is a great product.
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