Search found 173 matches

by johnleeke
Tue Feb 16, 2021 7:42 pm
Forum: Survey and Document Windows
Topic: 1950s & 1960s Windows
Replies: 12
Views: 49410

Re: 1950s & 1960s Windows

The welded-glass IGUs (Insulated Glass Unit) are no longer made. The sash with the broken IGU should be removable. A good approach would be to remove the sash and take it to glass shop that knows how to disassemble the sash, have a new IGU made and reassemble the sash with the new IGU. You might fin...
by johnleeke
Sat Dec 26, 2020 3:37 pm
Forum: Glaze & Paint Sashes
Topic: Sash Deglazing, and paint removal (with Video)
Replies: 5
Views: 24092

Scratching glass when scraping out putty

To avoid scratching the glass during putty removal: ==> Clean any grit off of the glass before putting the sash in the steam box, or before any scraping. Dust off the glass with a soft-bristle brush, mist the glass with a water-detergent solution and wipe with a soft rag. ==> Just before scraping us...
by johnleeke
Thu Dec 17, 2020 3:15 pm
Forum: Glaze & Paint Sashes
Topic: Sash Glazing & Painting (with Video)
Replies: 32
Views: 114554

Priming Putty, Wrinkling

Putty, to prime or not to prime--that is the question. (with a long response) Some window specialists are reporting wrinkling of the surface of the putty after glazing and painting. The Forest Products Laboratory (FPL) has done conclusive wood window tests and demonstrations since the 1950s that pro...
by johnleeke
Tue Dec 15, 2020 4:00 pm
Forum: Materials, Products, Tools, Equipment, Shop Setup
Topic: Scrapers
Replies: 4
Views: 18027

Scraper Suppliers

Jonathan Appell's Atlas Preservation website carries the best selection of Lawson putty knives: https://atlaspreservation.com/collections/stiff-scrapers-putty-joint-knives Jonathan also carries a wide selection of molding scrapers, the famous Stortz scrapers and the old standby Marshalltown scrapers...
by johnleeke
Fri Dec 11, 2020 10:28 pm
Forum: Site Work
Topic: Side Stop Adjusters, Stop Bead Adjusters
Replies: 9
Views: 4943

Re: Side Stop Adjusters, Stop Bead Adjusters

Jeff, that is some fine looking work. Do you happen to have a photo of you doing the work?
by johnleeke
Sat Nov 07, 2020 4:24 pm
Forum: Glaze & Paint Sashes
Topic: Poor Boy Steam Box Deglazing
Replies: 8
Views: 61777

Re: Poor Boy Steam Box Deglazing

"The DaVinci?" Perhaps, but credit is due to my window preservation colleagues for coming up with the idea of steaming window sash and its early development: Marc Bagala, Dave Bowers and Ginger. The Poor Boy Steam Box is just one more step in its development.
by johnleeke
Sun Sep 20, 2020 4:33 am
Forum: Materials, Products, Tools, Equipment, Shop Setup
Topic: Putty & Glazing Compound
Replies: 4
Views: 15827

Re: Putty & Glazing Compound

Crawfords, from 2015 msds https://ehslegacy.unr.edu/msdsfiles/27732.pdf?fbclid=IwAR31jKMlcpSM9bFJ0Au0rHD8M-Bqxv706J1ao8dhPzAeOkok3LIiV4yEDp4 COMPONENT INFORMATION CAS # Ground Limestone 471341 Calcium Carbonate* 1317653 White Refined Linseed Oil (vegetable oil) 8001261 Heat Polymerized Linseed Oil (...
by johnleeke
Thu Jul 02, 2020 7:56 pm
Forum: Storm Windows
Topic: Interior Air Panels. (aka Interior Storms)
Replies: 2
Views: 37753

How to pay for interior air panels

How to pay for interior air panels You could set up a program for homeowners that starts with an initial energy saving treatment that is easy to implement with very limited cost, that saves energy dollars, which can be used to preserve the windows. For example, in the northern states with a winter h...
by johnleeke
Tue Jun 23, 2020 6:40 pm
Forum: Glaze & Paint Sashes
Topic: Sash Glazing & Painting (with Video)
Replies: 32
Views: 114554

No Back Bedding

A little historical perspective might sometimes explain the lack of back bedding. Since at least 1820 the trades manuals and workers journals say that it was best practice to bed the glass for long term durability and considered a cost cutting shortcut to not bed glass. Sealing the interior joint be...

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