[MassHistPres] Chimney & roof

[Garrett Laws]

Red copper will leach out a little on a consistent slope, and if there are
converging roof surfaces above the copper a concentrated staining may occur.
Strips of zinc are also an option that hasn't been identified as being as
bad as lead.

Garrett

On Thu, Jun 4, 2009 at 11:14 AM, Sean Maher <mseanboy73 at hotmail.com> wrote:

> That certainly is a more eco-friendly solution than lead.  Does the color
> from the oxidation discolor or bleed into the shingles at all?
>
> Sean
>
> ------------------------------
> From: meauxmo1 at comcast.net
> To: copperandslate at gmail.com; mseanboy73 at hotmail.com
> CC: masshistpres at cs.umb.edu
> Subject: Re: [MassHistPres] Chimney & roof
> Date: Thu, 4 Jun 2009 08:25:20 -0400
>
>
> We have used copper flashing at intervals of every several feet in a shake
> roof, and it resists mildew and moss nicely, ages to a nice patina too. Only
> an inch or so of copper is seen at each course of flashing.
>
> Sara
>
> ----- Original Message -----
> *From:* Garrett Laws <copperandslate at gmail.com>
> *To:* Sean Maher <mseanboy73 at hotmail.com>
> *Cc:* masshistpres at cs.umb.edu
> *Sent:* Wednesday, June 03, 2009 4:19 PM
> *Subject:* Re: [MassHistPres] Chimney & roof
>
> I'm not really in favor of intentionally putting a lead wash on roofs...
>
> The shingles in this picture are in very good shape under the chimney and
> not that horrible on the rest of the roof, although there do appear to be a
> few missing and badly decaying.
>
> Garrett
>
> On Thu, May 28, 2009 at 2:40 PM, Sean Maher <mseanboy73 at hotmail.com>wrote:
>
> Hello,
>
> One thing I have seen that was beneficial to the longevity of a shingle
> roof was lead flashing.  The image attached shows the rough condition of the
> shingles without it, as compared to the shingles below the chimney.  The
> shingles are all the same age.  The lead prevents the growth of mold and
> fungus, both of which trap water and contribute to the decay.
>
> Sean
>
> ------------------------------
> From: htavern at townofwilmingtonma.com
> To: masshistpres at cs.umb.edu
> Date: Thu, 28 May 2009 14:10:16 -0400
> Subject: [MassHistPres] Chimney & roof
>
> Hello -
>
> I am trying to find the best consultants to bring in to assess the
> condition of the roof and the chimney in a late 18th century building
> (Wilmington Town  Museum).  I have looked at the PreservationMass
> consultants directory and cannot find these specialties, although I know
> they must exist.
>
> The wood shake roof was installed about 20 years ago.  Although the roof is
> not giving me any problems at this time, it looks like its in rough shape
> (moss, curling) and I would like to get a professional analysis of 1. how
> much longer the roof will last; and 2. what could be done to extend the life
> of the existing roof.  As for the chimney - I don't need to make it a
> functioning chimney, but I am concerned that it could be leaking and it is
> definately deteriorating.  I had a local chimney contractor look at it, but
> he didn't feel qualified to work with such an old building.  He had no one
> in particular to recommend to me.
>
> Any suggestions would be gratefully appreciated!
>
> Terry McDermott
> Curator
> Wilmington Town Museum at the
> Col. Joshua Harnden Tavern, c.1770
> 430 Salem Street
> Wilmington, MA  01887
> 978.658.5475
> htavern at town.wilmington.ma.us
> http://www.town.wilmington.ma.us/old/hist.htm
>
> The Wilmington Historical Commission can also be reached at the above
> addresses and phone number.
>
>
>
>
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>
>
>
> --
> 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
>
> ------------------------------
>
> ******************************
> For administrative questions regarding this list, please contact
> Christopher.Skelly at state.ma.us directly.  PLEASE DO NOT "REPLY" TO THE
> WHOLE LIST.
> MassHistPres mailing list
> MassHistPres at cs.umb.edu
> http://mailman.cs.umb.edu/mailman/listinfo/masshistpres
> ********************************
>
>


-- 
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
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