The Restoration Department has spent the better part of three weeks installing a six inch, half-round gutter on the South side of the Memorial Church at Historic Jamestowne. The .032 inch thick, aluminum gutter is a factory finished "Mansard Brown" color, to mimic the color of oxidized copper. Because of the large crown molding on the church, the gutter could not be hung from the fascia, but had to be hung from straps screwed to the roof sheathing. This installation required the starter and first course of slate shingles be removed along the entire 55 foot length of the roof. The crew repaired and replaced damaged sections of the roof sheathing and crown molding as needed. They then applied 30-pound roof felt to the exposed roof section until the starter and first course of slates could be reapplied. Stainless steel gutter hangers, roof straps and screws were used in the installation process, so this won't have to be done again for a great while. Stainless steel "snow catchers", painted black, were also installed, to protect the roof gutter, and guests visiting Jamestowne, from ice sheets sliding off the roof. It is hoped that the roof gutters will reduce the moisture that is wicking up into the foundations of the frame church of 1617, that are displayed under glass in the memorial church. The gutters should also the keep the roof runoff from soaking into and migrating through the brick buttresses, where it is damaging plaques that are set into the interior masonry walls. While the scaffold was set up, the crew used the opportunity to inspect and replace about 10 damaged slates on the upper parts of the roof.
Friday, November 11, 2011
How's It Hanging?
The Restoration Department has spent the better part of three weeks installing a six inch, half-round gutter on the South side of the Memorial Church at Historic Jamestowne. The .032 inch thick, aluminum gutter is a factory finished "Mansard Brown" color, to mimic the color of oxidized copper. Because of the large crown molding on the church, the gutter could not be hung from the fascia, but had to be hung from straps screwed to the roof sheathing. This installation required the starter and first course of slate shingles be removed along the entire 55 foot length of the roof. The crew repaired and replaced damaged sections of the roof sheathing and crown molding as needed. They then applied 30-pound roof felt to the exposed roof section until the starter and first course of slates could be reapplied. Stainless steel gutter hangers, roof straps and screws were used in the installation process, so this won't have to be done again for a great while. Stainless steel "snow catchers", painted black, were also installed, to protect the roof gutter, and guests visiting Jamestowne, from ice sheets sliding off the roof. It is hoped that the roof gutters will reduce the moisture that is wicking up into the foundations of the frame church of 1617, that are displayed under glass in the memorial church. The gutters should also the keep the roof runoff from soaking into and migrating through the brick buttresses, where it is damaging plaques that are set into the interior masonry walls. While the scaffold was set up, the crew used the opportunity to inspect and replace about 10 damaged slates on the upper parts of the roof.
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2 comments:
Is there a brick ground gutter adjacent to the intersection of the wall and the ground?
No, the church does not have brick ground gutters. It has been our experience that ground gutters are not all that effective. There is a lot of splashback that occurs when the runoff hits the brick ground gutter. This moisture is then absorbed into the masonry and wicks through to the interior.
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