APT Québec Activity in collaboration with the APT NE Chapter

Date: June 8 - 9, 2018




Appalachian granite
APT Quebec Activity in collaboration with Northeast Chapter
June 8
th and 9th in Stanstead (Québec, Canada)

APT Quebec Activities

In order to celebrate the 50th anniversary of the foundation of APT International on June 15, 1968, and the special relationship between Canada and the United States, APT Québec and APT’s Northeast Chapter are pleased to present a joint event in the Canadian border village of Stanstead.

The event includes visits as well as conferences on Appalachian granite (quarrying, geology, physical properties, mechanisms of deterioration, repair techniques, etc.) and on the preservation of living and built heritage along the border.

Association for Preservation Technology International

The Association for Preservation Technology International is a non-profit organization whose mission is to promote the best conservation technologies amongst the community of built heritage professional. The Association fulfils this mission by producing technical publications, organizing regional events, and holding an annual conference.

The Association is comprised of members from various backgrounds and is composed of several regional Chapters. The function of these chapters is to establish and maintain relationships with local heritage groups in order to support knowledge diffusion and highlight regional expertise.

The Quebec Chapter, “APT Québec,” is directed by seven Association members: Myriam St-Denis, Urban planner; François Dufaux, Architect; Francis Vanasse, Architect; Giovanni Diodati, Architect; Émile Gilbert, Architect; Lena Buchinger, Architect; and Alexandre Savignet, Architect.



Friday June 8th 

10:00 - 10:15 am – Welcome at the Haskell Opera House

10:15 - 11:00 am – Presentation by Rock of Ages 

Transit by bus

11:15 am - 1:15 pm - Alternating visits of Rock of Ages’ granite quarry and cutting workshop

1:15 - 2:15 pm - Lunch 

2:15 - 4:15 pm - Alternating visits of the Rock of Ages’granite quarry and cutting workshop

4:30 - 5:30 pm – Visit of the Colby Curtis Museum and afternoon tea service, followed by a cocktail party to celebrate APT International’s 50th anniversary.

Supper: Option of a groupe supper in a Magog restaurant, in the evening. Reservations are required. To reserve a place, please communicate with Action Patrimoine ( (meal is not included in event fee).

Saturday June 9th  

At Haskell Opera House

8:30 – 9:00 am –Living by the Border: Local Architecture and History 

- Word of welcome,
- Mary Jablonski, conservator who lived in the region, president and founder Jablonski Building Conservation Inc.

9:00 - 10:30 am – Granite as a Building Material: Impacts of its Mineralogy on Properties, Use and Deterioration Process

- Trevor Gillingwater, Masonry conservator, Trevor Gillingwater Conservation Services Inc.

10:30 - 10:50 am – Break

10:50 - 11:35 am – Screening of documentary film The Energetic Mr. Beach on Nathan Beach, the builder of the Haskell Opera House with filmmaker Louise Abbott

11:35 - 12:20 pm - Haskell Opera Tour

12:20 - 1:45 pm - Lunch (Stanstead College)

1:45 - 2:05 pm – Non-destructive limestone and granite façade evaluations

- Ed Sewell, Principal, GB Geotechnics USA Inc. (GBG)

2:05 - 2:40 pm – Building with Stone—A Structural Engineer’s Perspective

- Edmund P. Meade, Principal and Director of Preservation, Silman

2:40 - 3:00 pm - Break

3:00 - 3:45 pm – Roundtable – Haskell Opera House, Current Condition and Future 

- Moderator : Giovanni (John) Diodati, Architect, Senior Associate, EVOQ architecture

3:45 - 4:00 pm – Closing of event

Registration :

Addresses of Meetups
Haskell Opera House
1 Church Street - Stanstead, Qc, J0B 3E2, Canada

Rock of Ages
4, Rue Rock Of Ages - Stanstead, Qc, J0B 3E2, Canada 

Colby-Curtis Museum
535 Dufferin - Stanstead, Quebec, J0B 3E0, Canada 

Hôtel et Spa Étoile sur le Lac in Magog - preferred hotel rate for APT event. Reservation at 1 800 567-2727 or

 For further information:
Blandine Clerget
Coordonnatrice des activités éducatives
Tél. : +1 418 647-4347, poste 207