[MassHistPres] Chimney & roof

[Sean Maher]

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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