[MassHistPres] Slate Roofs VS Asphalt

[Garrett Laws]

Joseph,

great qustion that is tough to put into real world projects as there
are always additional site factorsto address,but.

Roughly $ 100 asphalt
slate $ 450

the real benefit (in my eyes) is the material saved over the life
cycle of the slate! If a rally good slate is chosen and it lasts 125 -
150 yrs how much raw material is saved by not using a petroleum
prpouct? With the 125 yr # and a 30 yr shingle, there are 4 additional
roof projects done to the building before the slate needs replacement.

Again, there are a lot of assumptions taking place here...

Garrett

On Sunday, October 11, 2009, Joseph Ouellette <ouellette685 at msn.com> wrote:
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> I'm trying to do a rough comparison between slate and asphalt roofs for a
> historic building in town. Assuming the slate roof will last about 120 yrs and
> the asphalt roof either 30 or 50 years. Can anyone tell me the
> material costs for a "square" of Vermont slate and a "square" of asphalt
> shingle. I'll do the math. We are trying to show that the slate is
> a much better long term investment.
>
> Thanks
> Joseph A. Ouellette
> Sturbridge Historical Commission
>

-- 

Cheers,
Garrett

Garrett Laws, Manager
The Copper & Slate Company
Fine Roofing and Exterior Finish Carpentry
238A Calvary Street
Waltham, MA 02453
Ph: (781) 893-1916
Fax: (781) 893-2041

Copperandslate at Gmail.com or
GLaws at hbuilders.net