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About Vic Rothman
(Top Expert on this page)

Expertise
I can answer questions concerning design,fabrication, repair, restoration,and instillation of stained glass windows. I know about the history and technique of stained glass. Former member of the restoration committee of The Stained Glass Association of America.

Experience
I have over 36 years experience in the stained glass field. I have done craft shows, managed a stained glass retail store, taught classes, was a studio foreman and have had my own studio for over 16 years.Former restoration committee member of the Stained Glass Association of America. Founding member of The American Glass Guild.

Organizations
Stained Glass Association of America
The British Society of Master Glass Painters
New York Landmarks Conservancy
Association for Preservation Technology International
American Institute foe Conservation of Historic & Artistic Works
American Glass Guild

   

You are here:  Experts > Hobbies > Stained Glass > Stained Glass

Questions Answered By Expert  Vic Rothman 
In Category  Stained Glass

SubjectDate Asked

stained glass dome and window11/20/2009
  Q: Attached is a picture of the stained glass dome and windows. We purchased a store that was ...
  A: Pricing antiques is out of my area of expertise. However the dome and windows do NOT look like ...
cement formula11/17/2009
  Q: Vic: In reviewing your earlier posting of leading cement formula, I still have a couple questions. ...
  A: I make about 3.5 gallons of putty at a time. I use 80 oz of oil and 21 one pound coffee cans of ...
Church Stained Glass?11/14/2009
  Q: The church was torn down for redevelopment over 40 years ago and I can't locate any information ...
  A: If all the windows are like the photo, they could have been made by any studio in the United States. ...
Identify Stained Glass Artist11/10/2009
  Q: Do you know if there are any resources to identify a stained glass artist? I have 4 panels in 2 ...
  A: I've looked at all 3 photos. Still don't know the artist. But, I would say these are from 1980. I am ...
Identify Stained Glass Artist11/9/2009
  Q: Do you know if there are any resources to identify a stained glass artist? I have 4 panels in 2 ...
  A: I have no idea who this person is. But if the windows are signed 1880 or 1980 and the house is 1885 ...
Cleaning fire damaged stained glass10/30/2009
  Q: I have access to some portions of stained glass windows which were saved from a church fire. The ...
  A: This is a tough one. The safest way that might work is to take a steamer and steam clean a small ...
rebar question10/26/2009
  Q: Do I solder the rebar on my panel (which is very large 20x80), before or after I cement it? And... ...
  A: 1-You putty and clean the window than solder on the rebar. 2- No I do not like Miracle Mudd. 3- ...
copperfoiling mirror10/23/2009
  Q: I recently got a pattern for black glass, a mirror, and a nice bamboo spray. I cut it carefully, ...
  A: I am not sure what you mean by "stabilizing spray". But whenever you cut mirror you need to paint ...
Can this window be sold10/6/2009
  Q: Rothman, This is a window in my friends home that she would like to sell before it gets any more ...
  A: In the late 1800's, early 1900's stained glass was a fairly common item to put in homes. There were ...
mixing of hxtal epoxy9/13/2008
  Q: You are so helpful, again thank you for your advise. My last question is on the mixing of the ...
  A: Yes you need to use a scale. The mixing needs to be done by weight. Mix only the amount of epoxy ...
hxtal repair9/13/2008
  Q: you helped me with my last question on using hxtal epoxy for repairing some cracks in a front door ...
  A: Loosen the glass in the window as much as possible. Aline and tape the back of the damaged glass. ...
repair epoxy9/3/2008
  Q: I need to repair a small window for one of my students but don't want to charge to much since I am ...
  A: I use hxtal for 99% of all the gluing that I do. However I know people that prefer silicone. Epoxy ...
stained glass outdoor protection9/3/2008
  Q: I just bought a stained glass window wood framed. It has some glazing issues(cracks etc). It is ...
  A: Stained glass windows have been in use as exterior windows for over 1000 years without the need of ...
Stability8/31/2008
  Q: I am finishing up a 48x24 panel, just flipped it over and it is very flexible, will cementing it ...
  A: cementing will help a bit. But strength comes from good designs and proper support , as in various ...
repair epoxy8/28/2008
  Q: I need to repair a small window for one of my students but don't want to charge to much since I am ...
  A: It does not matter what techniques you use. It's all related to the time you spend. I would charge a ...
Building a Big church window-Bracing?7/22/2008
  Q: I have recently been asked to design a window for a church which is about 10 feet wide and 7 feet ...
  A: The size of the panel has absolutely no bearing as to whether or not rebar is needed. The design ...
Stained glass windows in old church5/15/2008
  Q: I just bought an old church build in 1870. I was told most of the old windows were probably made by ...
  A: First off Tiffany did not start in business until 1878. And did not make many Church windows till a ...
Tiffany windows5/6/2008
  Q: Good morning - I have noticed that a lot of answers concerning windows have indicated that, under no ...
  A: "Tiffany himself" is an interesting statement. L.C. Tiffany was a painter and a businessman. He run ...
rebar or replace with zinc5/1/2008
  Q: I have been doing glass for many years and was given a project that involved antique painted on ...
  A: I NEVER recommend zinc for borders unless the panel is free hanging. In windows the ONLY possible ...
soldering with a zinc frame4/13/2008
  Q: I am having a problem soldering the lead ends to the zinc frame. The solder wont stick at all. Is ...
  A: More than likely your problem is cleaning. Often there is an oily residue on the zinc. Take some ...
"Film" on rear of a stained glass window4/8/2008
  Q: I'm lighting a SGW salvaged from a church. In the course of installing the fixtures, I noticed that ...
  A: Without seeing this condition, it's hard to say what you have. I can say that I have never seen ...
stained glass counter top3/18/2008
  Q: I am having a custom made small applicance cabinet built. Since I am unable to match the existing ...
  A: I do not think a stained glass counter top is a good idea. The problems are:1- the glass is only ...
framing old stained glass12/31/2007
  Q: Vic, I just bought old 6 stained glass panels in perfect condition (about 16" squares) that were ...
  A: If your plain is to have the stained glass installed as an exterior window, I would put them in ...
repairing a lead window-having problems getting solder to flow12/19/2007
  Q: I'm working on repairing a lead window for a friend of mine and I started to solder the seams shut ...
  A: Scraping down to shinny metal with a knife blade is what needed to be done. If you have a gap ...
repair cost11/17/2007
  Q: I am frustrated trying to get an estimate for repair on a small round foiled panel that I have had ...
  A: My answer will not be very helpful, I am affraid. There is NO industry standard in reguard to ...
incorporating stained glass11/9/2007
  Q: Having recently become enamored with Frank Lloyd Wright's stained glass, I've found some panels on ...
  A: Yes it can be done. But there are a number of things to consider. What is the condition of the old ...
reinforcing stained glass11/6/2007
  Q: I have an antique credenza with alot stained glass. The four doors have flat panels but there are 4 ...
  A: If the solder joints are broken then the glass needs to be removed. If the glass panels are curved ...
Fire and stained glass11/6/2007
  Q: Greetings, I'm an architect in southern California - Fire Country! I have a client who has some ...
  A: If regular glass will break during a fire so will the smaller stained glass pieces. If the glass ...
Stained Glass Maker11/4/2007
  Q: I am trying to determine if it is possible to find out who made the stained glass windows for a ...
  A: 1- check church records 2- find out who the architect was that built the building 3- Check local ...
Venting10/16/2007
  Q: I just installed two large windows with custom framing into two existing aluminum windows. There are ...
  A: cooking food on a stained glass windows is not recommenced. It sounds like you have enough holes ...
Another repair query10/6/2007
  Q: Vic, I'm so glad I found you on here. You are a more expert than I am... First I read the answer to ...
  A: I'm sorry, but I don't understand what is going on. I would like to see a photo of what you are ...
lead content in stained glass10/3/2007
  Q: With all the recent publicity on lead content, I am curious to find out about the lead content in ...
  A: Different states have different requirments for what can be used in manufacturing and what must be ...
lead content in stained glass10/2/2007
  Q: With all the recent publicity on lead content, I am curious to find out about the lead content in ...
  A: Stained glass is either assembles with lead "came" or copper foil. In both cases lead/tin solder is ...
Stained Glass Transom9/11/2007
  Q: I am making a leaded panel that is 16" x 72", which will be a permanent transom (not moving) ...
  A: There is no rule of thumb. Wether to rebar or not depends on the design,instillation and size of ...
keeping lead lines and solder joints bright9/8/2007
  Q: How does one treat the lead and solder on a panel to keep them as "silver" as possible? Silver lead ...
  A: This is not something that I do. The oils in the putty and the cleaning process turn the silver lead ...
cleaning church stain glass windows8/15/2007
  Q: How do I clean the glass and get the dark stuff off. Looks like dirt. These windows are old and ...
  A: Zettler was purchased my Mayer of Munich, and they are still in business in Germany. Your windows ...
how to clean an old window6/19/2007
  Q: I am resizing an old church window. It is a painted stained glass window. It is very dirty. Is ...
  A: The first thing you NEED to do is to figure out if the paint is stable or flaking off. Deteriorated ...
Stained Glass repair5/23/2007
  Q: I have a piece that means alot to me. It has a few cracks in the glass and I wanted to know how you ...
  A: There is a conservation grade glass epoxy called Hxtal. It is thin like water, so it can wick into a ...
Civil War era techniques5/20/2007
  Q: Our town has a Civil War Re-enactment every year. I would love to demonstrate the techniques of ...
  A: This is a tough one. There were VERY few stained glass companies in the US during the Civil War ...
Repair of Cracked Stained Glass5/9/2007
  Q: We had a piece of stained glass framed and installed into a wall I noticed about 4 to 5 cracks in ...
  A: If the window is copper foil or round lead, it probably needs to be removed. The only alternative is ...
Soldering glass panel to zinc came frame4/22/2007
  Q: I have been doing S.G. for 2 years, and would like to know if you ever grind down your solder on the ...
  A: It all depends on what you are making. As I said before, when a panel in installed in a wood frame ...
Soldering glass panel to zinc came frame4/19/2007
  Q: I have been doing S.G. for 2 years, and would like to know if you ever grind down your solder on the ...
  A: First off, I NEVER use zinc unless I forced too for a repair job. If your panel is being installed ...
painted stained glass panel repair3/29/2007
  Q: I have been asked to repair a 100 yr old stained glass panel. One of the panels is has a painted ...
  A: There are a few ways we treat this problem. In no particular order. 1- Hxtal 2 part epoxy. Smallest ...
soldering iron temperature3/21/2007
  Q: At what temperature should I set my soldering iron when soldering lead came. I have a problem of ...
  A: Sorry to say there is no answer to your question. 1-Temperature controllers don't really control ...
How do I remove glass from Lead window2/24/2007
  Q: I just made a window and noticed after I hung it that I used two different colors of green. They ...
  A: I do not know what type of cement was used. So removal of it will vary. Try taking a dental pick or ...
paint removal from a stained glass window2/12/2007
  Q: will the paint stripper take the colour from the stained glass window?Hi, I have a old stained glass ...
  A: The color of the glass is germinate. The exception would be if the window has painted elements such ...
antimony in lead2/10/2007
  Q: I just watched a video on stained glass and the person doing the stained glass said that she used a ...
  A: Cascade Metals in Canada makes a 4% antimony lead which is the strongest that I know of. BUT, I ...
Stained glass repair (bowed )1/17/2007
  Q: How can i repair a stained glass window that is bowing? the panel is approx. 48x48. The middle is ...
  A: There are various ways to flatten a bowed window. But first, you need to figure out why the window ...
rare glass repair1/14/2007
  Q: Now, if I chose to replace the glass pieces, what is the best way to remove the broken pieces from ...
  A: Pick out the old putty around the broken glass, wear a good dust mask. Scrape the solder joints ...
rare glass repair1/12/2007
  Q: I have a one of a kind window with different kinds of glass in it. It looks like an old stained ...
  A: The best glue to use is Hxtal epoxy. It is a 2 part epoxy that is mixed using a gram scale. The glue ...
Window Identification1/8/2007
  Q: We have a large, very old three panel secular romantic garden scene window from the US aprox 7' x ...
  A: There is not much to go on here. Where did you get the window? Post a photo at ...
Reinforcing large panel...1/5/2007
  Q: I know various people have asked reinforcing questions - however in reading some of the previous ...
  A: There is no way anyone can tell you if or how to rebar a panel without seeing the pattern. ...
ventilation1/5/2007
  Q: I am in the process of restoring the stained glass windows in my home. My windows are recessed ...
  A: your description is not that clear to me. But, proper venting requires that holes or slots be cut at ...
hand chipped stained glass12/10/2006
  Q: We have an old stained glass window that has 22 jewels and a combination of techniques, including ...
  A: Picture would be helpful. I have no idea how old hand chipping is. I'd guess 100's of years. BUT, ...
venting12/5/2006
  Q: Sorry if I wasn't clear. Yes there is already a glass window installed. It has three separate ...
  A: OK, the info I already gave you is fine. On the bottom two windows, two slots on the bottom and two ...
venting12/4/2006
  Q: I have an aluminum framed window that is divided into three sections. The lower window is two ...
  A: I'm sorry, I am a bit confused. You have an installed frame that is 60"x101" overall. I assume ...
stain glass vents11/24/2006
  Q: we have work on older churches before and had replaced glass (lexan) in front of stain glass ...
  A: Hot air and moisture can and do build up between the exterior and interior glazing. It is VERY ...
Repair for leaded glass11/21/2006
  Q: I have a stained glass panel that is leaded and cemented and framed in copper came. One of the ...
  A: Pick out the putty around the broken glass. Cut out the section of the copper came next to the ...
reinforcement11/6/2006
  Q: Would you be able to advise me on reinforcement methods please? I have only ever used small pieces ...
  A: This is a pretty broad question. I explained rebars on another broad and it was reprinted at ...
repairing a curved stained glass panel11/1/2006
  Q: I have a commission to repair 2 stained glass panels/cabinet doors which are situated on either side ...
  A: Take off the whole door, leave the glass in. : 1- Plaster mold- get plaster impregnated gauze. Wrap ...
repair of old church window10/26/2006
  Q: I have a church window--70-100 years old. It is bowed in places and week in others. I have had ...
  A: There is NO "glue" in stained glass windows. The linseed oil/whiting mix is called putty. The recipe ...
Silicone RTV 73210/18/2006
  Q: Is the silicone RTV 732 an appropriate glue for repairing a designed glass window executed with ...
  A: This is not my area of expertise. But, I do know that Derix in Germany, who produces many windows of ...
Filmy stained glass10/11/2006
  Q: I have some deteriorating hundred year old stained glass windows from a church. The individual glass ...
  A: The lye, pretty much works on everything. You can send me a sample, but I prefer not to post my ...
Filmy stained glass10/5/2006
  Q: I have some deteriorating hundred year old stained glass windows from a church. The individual glass ...
  A: Without seeing the problem, it's difficult to give you a definitive answer. If the glass is NOT ...
Stain Glass10/3/2006
  Q: What is the best way to remove and store stain glass windows approx. 3'5'& 2'8'? More of sentimental ...
  A: Remove from what? Long term storage. Build a wooden crate with 2x4's and 3/8" plywood. Put 2" of ...
Framing stained glass panels9/26/2006
  Q: I have noticed that panels (usually measuring larger than 18 in X 18 in) I have constructed using ...
  A: If you are referring to zinc borders around the panel, I would need to see the panel to figure out ...
reinforcing leaded panel9/16/2006
  Q: I am making light covers for my kitchen. The dimension is 2' x 4'. I would like to know how to ...
  A: Without seeing the pattern it is difficult to say exactly how and where to reinforce this panel. ...
restoration of very old leaded windows9/8/2006
  Q: I would like to restore a very old leaded glass, it is in excess of 100 years old. It is huge, a ...
  A: You have not stated what is wrong with the window. Or what plains you have for it. Age has little ...
matching clear glass9/7/2006
  Q: I'm learning to repair old, old windows. One problem that's frustrating is having new clear textured ...
  A: Matching glass is always a problem. In my proposals I write "will match new glass to the original as ...
Purchasing a stained glass window on-line8/30/2006
  Q: My husband and I have been working with an on-line stained glass window company, based in ...
  A: As far as I know "waterglass" is mostly transparent glass. My opinion would be NOT to make the ...
multiple layers of glass8/17/2006
  Q: I have a designed glass window executed with multiple layers of glass . It's a transparent glass ...
  A: You have an interesting problem. First epoxy was not the best choice for laminated glass to glass. ...
Stained glass panels8/17/2006
  Q: My family bought a house in Brooklyn, NY in 1951 and there were four stained glass panels in the ...
  A: Most stained glass has only decorative value. That is based on size,condition and what someone is ...
glass removal8/16/2006
  Q: How do i remove the lead that is holding the glass in a frame in order to remove the glass and ...
  A: First you need to remove the leaded glass from the frame. You can use a sharp knife or lead dikes to ...
Hanging / installing stained glass panel8/13/2006
  Q: Vic, I just finished a lead panel. It is the Tree of Life prairie design by Frank Lloyd Wright. ...
  A: I would frame the window in wood. The typical "Tree of Life" design has some horizontal lead lines. ...
construction solution8/13/2006
  Q: I am wanting to make an exteria panel for my front door 670wide x1022mm long. I have attended a ...
  A: Technically copper foil is stronger then lead. BUT, in exterior windows, door windows in particular ...
Leaded Window Crack repair7/20/2006
  Q: My house built in the 1920s has large leaded windows with approxiamtely 9"x6" rectangular panes with ...
  A: If the glass is not falling out,go to a stained glass store and buy a piece of lead came the same ...
stained glass valuation7/18/2006
  Q: I have a stained glass window that im trying to get an evaluation for.It is about 3 feet long and ...
  A: There is no way I can help you without seeing the window. I will tell you that there were very few ...
stained glass value7/13/2006
  Q: I have a home built around 1900 that has a pair of stained glass windows of matching design. The ...
  A: Most stained glass windows only have ,what is called, decorative value. That is they are worth ...
Stained glass pricing7/12/2006
  Q: I work for a consulting company in Green Bay, WI. We have developed a program that allows one of ...
  A: First off, you may have me confused with someone else. I don't recall giving anyone a magic formula. ...
paint restoration3/7/2006
  Q: I am an artist who has been asked to repair the paint on a stained glass piece. The paint was ...
  A: Your question opens a whole can of worms. You can "infill" the missing areas with acrylic paints. ...
Formula for lead came cement2/6/2006
  Q: Sterling Old time putty is not available. They are no longer making it. Could you please give me a ...
  A: 50% raw linseed oil 50% boiled linseed oil 1% mineral spirit 3 parts 25 micron whiting (marbledust) ...
venting12/13/2005
  Q: How would you go about installing and venting a window that is not square or rectangular? In other ...
  A: Putty bevel is a glazing term. It is when you place the glass in a grove in a sash. You put glazing ...
venting12/12/2005
  Q: How would you go about installing and venting a window that is not square or rectangular? In other ...
  A: You install them the same as any other shaped window. The instillation depends on the material you ...
History and Valuation of Stained Glass window10/31/2005
  Q: We have a Victorian/Edwardian House (1902 so on the cusp). When we purchased the house in 1982 there ...
  A: As for finding out what the design means, you might try local museums or art galleries. Many of the ...
Foil for outdoor project10/11/2005
  Q: I have a project that the customer wants to have done to look as authentic as possible for their ...
  A: My first comment is there is no such thing as too intricate for lead. Take a look at Tiffany and ...
Tiger Brand Glazing Cement8/15/2005
  Q: I was in a stained glass store this weekend and the manager recommended Tiger Brand Glazing Cement - ...
  A: The answer to your question is , I do not know. What I do know is that the best putty for stained ...
Reinforcing large lead panels8/8/2005
  Q: One we just finished which was 10" x 35". It's in lead, and since it's rectangular in shape, it ...
  A: If the windows will hang in front of another window, then I would frame your panel in a wood frame. ...
reinforcements5/30/2005
  Q: Is there a rule of thumb when it comes to using reinforcements? For example, is there a specific ...
  A: First check out www.debrady.com Click on "article's" on left go to "rebar 101" Regardless of what ...
Stained glass panel5/19/2005
  Q: I have a beautiful stained glass panel from an auction, that I believe to be 80 to 100 years old. It ...
  A: I can't explain the frame. It should be fairly tight and strong. Lead came has a life expediency of ...
Stained glass repair12/31/2004
  Q: I have 2 small panels of art deco-period stained glass in wooden frames for hanging. Each panel is ...
  A: You can "wick" in some Hxtal epoxy into the cracks. The down side is the cost. The smallest quantity ...
removing light scratches from beveled glass12/7/2004
  Q: I've read up on different methods and chemicals to remove light scratches from beveled glass. Which ...
  A: I have never tried to remove scratches, so I can't address that. As for cleaning. You have found ...
STAINED GLASS11/27/2004
  Q: pLEASE CAN YOU GIVE US SOME HELP ON INSTALLING TWO GLASS PANELS IN AN INTERIOR PINE DOOR WHICH AT ...
  A: Most wooden door panels are held in with moldings. You should be able to see a line where the ...
curve transom cartoon11/11/2004
  Q: wondering how to create an accurate cartoon for a stained glass panel to be installed into an ...
  A: The safest thing to do is make a template of the opening. The info that you need is the full size of ...
lead repair to window11/10/2004
  Q: I have a small (1ft x 3ft) stained glass door panel that has bowed - I have this uncontrollable urge ...
  A: First pick out all the old putty that's under the lead. Wear a GOOD dust mask, as old putty often ...
sealing sg window10/23/2004
  Q: are there any modern sealents and methods instead of the traditional way of sealing the glass in the ...
  A: The short answer is no. While there are a few mastics that will adhere to both glass and lead, ...
how to give estimates9/23/2004
  Q: what is a fair way to estimate the cost of building a window? i researched and found out that prices ...
  A: The only accurate way to determine price is time (hours x wage) + materials + overhead expenses. ...
restoration of church window9/6/2004
  Q: I was given part of a leaded church window measuring app. 30 X 20". The window in is poor shape but ...
  A: Yes you can foil the broken glass. Use a narrow foil (3/16" or so). Make sure the glass is very ...
Removing glass8/12/2004
  Q: We purchased 2 pcs of stained glass that are 8'7" tall x 2'6" wide from a local chuch, how do we go ...
  A: I REALLY think you are looking for trouble. 100 year old windows probably have deteriorated leads. ...
Removing glass8/12/2004
  Q: We purchased 2 pcs of stained glass that are 8'7" tall x 2'6" wide from a local chuch, how do we go ...
  A: There's not enought info. Are the windows set into wood,steel or stone? With all due respect. If ...
Border for an arched window4/17/2004
  Q: I am wanting to do a stained glass window for an arched opening . . . but I don't know how to bend ...
  A: I know many people recommend zinc for borders. But for the life of me I don't know why. Zinc is hard ...
reinforcing window3/24/2004
  Q: Rothman, 1. I would like to make a Frank Lloyd Wright type window 6'6" wide-- x 4'6" in order to ...
  A: First 6'6"x 4'6' is a fairly large window. FLW designs are not very stable because they have many ...
Making Glass3/18/2004
  Q: I've done a little leaded glass work and am interested to know about making coloured glass. After ...
  A: Making colored glass is not really done in a kiln. Raw ingredients are heated in a furnace and the ...
door glass2/17/2004
  Q: I want to make a full size panel for our entry door. My question is how do you install it? I mean ...
  A: A window that size in a door NEEDS rebar. The type of rebar and it's placement is something that ...
Turning a big panel...2/15/2004
  Q: How do you flip a big panel (44"x55") over to solder the back? The front has been soldered but we ...
  A: With windows that size or even bigger, we slide the window off the bench about 1/2 way. With one ...
Stained Glass10/8/2003
  Q: I live in the Chicago area. I want to know if restoring or adding stained glass to my property will ...
  A: Adding stained glass my increase your enjoyment, but I doubt that it will increse the value of your ...

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