Rockland Public Library: Part 3

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Retrofitting the Rockland Public Library: Up in the Attics

This is the Rockland Public Library in 1904:

It still looks much the same from Union Street, but the other side boasts a new wing with a new main entrance.  We’ll do some work in the new section, but the bulk of the energy efficiency upgrades will come in the ceilings of the original wing. The dotted lines in this diagram show the long arches that dominate the old wing.  Inside, they look like this:

 

In the attics, the arch is nested inside roofline, creating an odd series of spaces criss-crossed with heating ducts.  Heating ducts have long been located in attics – the installation and maintence is so easy there! – but it doesn’t make much sense.  Even when the ducts are insulated (as most of the Library’s are), they’re running through unconditioned space, exposed to summer heat and winter cold.  Moving the heat ducts isn’t an option, but moving the thermal barrier is, and that’s exactly what we’re doing.

We webbed the rafters and blew dense-packed cellulose into the cavities, then sealed the joints with spray-foam. We’re leaving the ratty fiberglass insulation that covers the arch alone because it’s not in our way, but it doesn’t need to do anything anymore.  The new thermal barrier is along the roof slopes, where it will protect the attic – and the Library’s heating dollars – from the elements.

 

 

Next up: Retrofitting the Rockland Public Library’s Basement

Contact us today to learn more!

207-594-2244

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Michael Williams

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Garreth C Debiegun

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Alex B.

Kittery

We just finished a large project air sealing and reinsulating our 1890s basement and attic. It had been completely renovated 8 years ago, but still felt cold, and lacked proper energy assessment and corrections. We met with Justin in December and were very impressed with his knowledge, professionalism and communication skills and knew Evergreen was who we wanted to work with. Dave was our on hands project manager and was excellent. The office staff has been quick to respond and helpful as well when needed.

E Gallant

Kennebunk

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Susan S.

Saco

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RC Lations

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Steve T.

St. George

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Rebekah W.

Rockport

We just finished a large project of air sealing and reinsulating our 1890s basement and attic which had been completely renovated 8 years ago but still felt cold and lacked proper energy assessment and corrections. We met with Justin in December and were very impressed with his knowledge, professionalism and communication skills and knew Evergreen was who we wanted to work with. Dave was our on hands project manager and was excellent. The office staff has been quick to respond and helpful as well when needed.

Emily Gallant

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Jennifer A

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Kevin J.

Yarmouth

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John S.

South Portland

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Douglas R.

Edgecomb

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Chris F.

Thomaston

We couldn't be more pleased with the easy, professional, high-value service from Evergreen. Having purchased an older home that had been in our family for generations, we needed multiple upgrades, including insulation throughout. Evergreen insulated our attic with blown-in cellulose, built a new, super-insulated attic hatch, sealed off the old one (which was just a piece of plywood in a closet ceiling), and also talked us through our best options to upgrade our heating system given the plans we have to add onto the house.

Tom G.

South Thomaston

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