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Window Preservation Pre-Conference Workshop

09.05.2023 @ 9:00 am - 09.06.2023 @ 4:00 pm

House with 5 missing windowpanes, requiring work of historic tradespeople.

This workshop is hosted by the Preservation Trades Network as a pre-conference workshop to its annual International Preservation Trades Workshop. It will be led by members of the Window Preservation Alliance, and take place at the Beatty Cramer House in Frederick County, Maryland. Read more about the Beatty Cramer House from the Frederick County Landmarks Foundation: https://www.fredericklandmarks.org/ These workshops are supported by a generous grant from the Maryland Historical Trust and Preservation Maryland. The grant has subsidized tuition costs to make attendance more accessible to more people.


This window preservation workshop will teach introductory window sash restoration techniques. Participants will learn to:

  • Identify and assess historic windows
  • Remove window sashes for repair
  • Assess damage and failure on window sashes and create a repair plan
  • Safely remove paint and glazing in preparation for repairs
  • Perform wood repairs using dutchmen and epoxies
  • Cut glass and reglaze windows


John Rodgers
Phoenix Preservation

Born and raised in Florida, John Rodgers graduated from Florida Institute of Technology with degrees in environmental science and management, then joined the desk side of preservation in 2007 as a Main Street Manager and Downtown Development Director in South Louisiana. While working to restore his own properties, word started to spread and it became a hobby, then a side job, then a second full time job. John founded Phoenix Preservation, with the bulk of work at the time being traditional plaster repairs. Windows quickly became the primary focus. The company and family relocated to Northwest Missouri in 2019 and they are now strictly doing window and door restorations and new wooden storm window builds, in addition to being a distributor for both Sarco and Abatron. Currently serving as a commissioner of the Saint Joseph Landmark Commission, as well as on the Board of Directors for Missouri Preservation and the Window Preservation Alliance.


Tuesday, September 5, 2023

8:45 am | Check-in at Beatty Cramer House
9:00 am – 10:00 am | Introduction to Windows, Materials, and Preservation and Safety
10:00 am – 11:00 am | Site Tour, Identify and Assess Repairs
11:00 am – 12:00 pm | Sash removal Techniques and Practice
12:00 pm – 12:30 pm | Lunch
12:30 pm – 1:30 pm | Leadsafe Paint and Glazing Removal Techniques
1:30 – 4:00 pm | Practicum of Techniques

Wednesday, September 6, 2023

8:45 am | Check-in at Beatty Cramer House
9:00 am – 10:00 am | Review of Safety, Leadsafe Paint and Glazing Removal Techniques
10:00 am – 12:00 pm | Practicum of Techniques
12:00 pm – 12:30 pm | Lunch
12:30 pm – 1:30 pm | Documentation, Repair Assessment and Planning
1:30 – 4:00 pm | Practicum of Techniques


Besides a good time, prepare to be active and learn. Participants will be sitting, standing, crouching, climbing ladders and using their hands, in addition to working outside in the weather. The site has uneven ground and is not paved. The The Beatty Cramer House has temporary shoring to stabilize the structure. Participants will need to navigate the site carefully. Participants should:

  • Wear comfortable works clothes and close-toed shoes
  • Bring a jacket and/or a rain jacket in case of rain and temperature changes
  • Wear sunscreen, sunglasses, and/or a sun hat
  • Water bottle

We will provide:

  • Personal Protective Equipment
  • Tools and Materials
  • Additional sunscreen
  • Bug Spray
  • Coffee, water, and other beverages
  • Lunch and snacks


Cost per participant is $200. There is a limit of 15 participants. We will intake a waiting list. By registering to the event, you agree to our event policies and procedures–please read them here. Registrants can cancel their registration up to 30 days before the workshop for a full refund minus any associated taxes and fees. Cancellations within 30 days of the event will not be refunded, with exceptions in PTN’s Health and Safety Policy.


09.05.2023 @ 9:00 am
09.06.2023 @ 4:00 pm
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Beatty-Cramer House
9010 Liberty Rd
Frederick, MD 21701 United States
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