[MassHistPres] Slate Roof Substitution Materials

[Ward Hamilton]

An historically-appropriate treatment plan would require replacement in
kind: Existing real slate replaced by new real slate. When would it be
appropriate to consider alternative materials? When appropriate materials
are not available. Roofing slate is available.

Is the applicant claiming a financial hardship exists? Unless and until
bona-fide proposals illustrating the cost difference between real slate and
an inferior artifical slate (i.e., EcoStar Majestic) there is no reason to
consider alternative materials.

Most folks are unaware that the cost of real Vermont slate and EcoStar
Majestic materials are about the same. The skilled labor is the primary
cost driver. The alleged savings associated with fake slate is that the
contractor will supposedly charge less because it's not as heavy as the
real deal.

On a large scale project such as First Congregational Church in Waltham,
the difference between the two might be 8 to 10%.




Ward Hamilton

OLDE MOHAWK HISTORIC PRESERVATION
Slate Roofing | Masonry | Architectural Woodwork
877.622.8973                                  OldeMohawk.com

On Thu, Mar 28, 2024, 11:49 AM Judy Markland via MassHistPres <
masshistpres at cs.umb.edu> wrote:

> Whately would be interested as well and would appreciate any comparative
> cost information.
>
> Judy Markland, Whately Historical Commission.
>
>
> On 3/28/2024 10:51 AM, Malley, Rachel via MassHistPres wrote:
>
> Hello Everyone,
>
>
>
> I’m the new office assistant for the Waltham Historical Commission. How
> wonderful to have this network of knowledgeable people to learn from!
>
>
>
> We have an inquiry from a local church that would like to have the roof
> replaced. The chairman of our commission would like to know if any other
> materials besides the original slate would be acceptable for historic
> restoration.
>
>
>
> This is the church:
> https://s3.amazonaws.com/NARAprodstorage/opastorage/live/85/7918/63791885/content/electronic-records/rg-079/NPS_MA/89001548.pdf
>
>
>
> Thank you!
>
>
>
> Rachel Malley, Administrative Assistant
>
> City of Waltham
>
> Historical Commission
>
> 119 School Street, Room 24
>
> Waltham, MA  02451
>
> 781-314-3389
>
>
>
>
>
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