how to repair stained brass leaf - clear acrylic sheet
Question: I spent a lot of money on an expensive mirror/Medicine Cabinet combination with lovely antique gold finish.
Then my son somehow made a black stain on the frame.
How do I fix it? —
Washington a: The photo you sent shows that the gold plating on your frame is made of brass leaves, said William Adair, owner of the Washington Golden Leaf Studio (202-833-2440; www. Golden Leaf Studiocom), and Urban J.
Bill Meier, production and sales manager, W & B Golden Leaf, Chicago (920-459-8206; www. wbgoldleaf. com)
Four generations of metal leaves and related products have been produced.
Like real gold leaves, brass leaves, also known as component leaves, are a whisper --
Thin sheet of metal glued to the surface.
However, it is not made of gold that does not lose its luster, but a combination of copper and zinc made of brass.
As you can see, copper will lose its luster.
Both of them suggest finishing with gold paint, which can be done with nail polish --
Size jars for art supplies or craft shops.
Blick Art Materials in Washington (202-898-0555; www. dickblick. com)
Antique Gold paint for disposable brushes and leaves
An ounce jar of about $6.
Billmeier recommends lightly covering the damaged area with fine steel wool first to remove any loose leaves.
"Use as little paint as possible," he said . ".
"Let it start to dry and mix.
"Processing the edges of the new paint into the surrounding finish eliminates sharp lines between the old and the new, helping to reduce any color difference.
When the paint is completely dry, billmel recommends sparse-
The down brown paint copies the glaze that was coated after gold plating on your frame.
You can also use brown glaze for artificial painting.
Apply the color with a foam stick or square cheese cloth, then buffer most of the color with a clean cotton cloth, leaving most of the stains in the cracks to emphasize the design.
Making the glaze match the rest of the frame could be the trickiest part of the fix, says Billmeier.
Put on less clothes than you think;
You can always add more later.
If you wear too much, wipe it clean quickly with a damp cloth. If the touch-
The paint and glaze treatment sounds terrible, and the other option is to use the Baroque art Gilders Paste (www. gilderspaste. com)
You can buy about three ounces of $16 tin at Blick.
You can touch the damaged area, wait 12 hours, and then wipe the whole frame with some paste diluted with paint thinners, sales and marketing manager of the product, says David Welham.
Whichever solution you choose, do it by coating the entire frame with a transparent acrylic to create a uniform gloss and protect the finish from further damage.
Billmeier recommends a Dux acrylic finish, which is specially formulated for use with metal leaves and is mainly sold through companies specializing in bronzing supplies, including W & B.
If one does not want to look for a special finish, he recommends the use of Minwax Poly acrylic protective finish with Satin gloss.
Professionals like Adair can restore the gold plated surface.
But he and Mahathir said it could be more expensive than you "splurge" to buy.
Adair usually works on frames and large pieces of precious art
Provide customers such as private collectors, museums and interior design companies with massive gold plating on buildings.
"Our bill rates are somewhere between bad lawyers and good plumbers," he wrote in an email . "mail.
Question: I have an old slate blackboard which is rough in some places and too smooth in other places which makes it difficult to write.
Is there a way to repair the surface? —
A: The slate is quite soft.
You can remove scratches and restore a more uniform surface by sanding.
If you can, remove the slate from the frame first.
A patent application in early 1950 details the steps for the classroom to re-patch the slate blackboard from a very rough 36-
Remove 1/32 to 1/64 of sandpaper from the surface and then use 180-
Polish with wet or dry sandpaper and then thoroughly hand scrub with a paste made of pumice and detergent.
Rob janisen, owner of United blackboards and specialty products in southern Windsor, Connecticut. (860-498-0562; www.
, Dedicated to repairing the large slate blackboard in historical buildings.
"Yale has thousands of square feet of stuff," he said . "
"The professor likes the slate.
"He started with 50 and then turned to the finer --
Grain size 100 sand.
He then applied for a proprietary dye.
Retail is not available)
Uniform dark color to the slate.
Oil also darken the slate, but made the surface too smooth;
The stone needs to be a little rough or it can't catch the chalk line.
For a small blackboard like yours, it seems excessive to start with extremely rough sand, especially if you can't remove the slate from the frame.
You might want to start at 80. or 100-
Sand, then go 180 sand.
Woodworking Club in Rockville, a woodworking shop (301-984-9033; www. woodcraft. com), carries one-
A pound of pumice powder is about $10.
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