We are considering one of your greenhouses in a lean to configuration against the side of our existing house. The house is currently a wood/painted cedar clapboard siding. What considerations are necessary for the exterior wall of the house where the lean to attaches, for example will the heat and or moisture damage or destroy the siding or does the siding need to be replaced with a stone face of some sort.

You wouldn’t need to replace cedar with stone/brick.  Most have their builder ensure to have some type of vapor barrier on abutting wall behind the cedar siding.  The homeowner’s builder would strip the cedar siding off, and have a vapor barrier in place (and there is probably already one in place), and also install flashing to flashing lines noted on the Hartley drawings.  Then, once Hartley is erecting the glasshouse, the homeowner’s builder/GC would bend the flashing down over the greenhouse’s flashing and then re-install the cedar siding.  Finally, you may wish to power wash the common wall once a year, say in the dead of summer, which would most likely be the time your greenhouse is empty and before you get ready for your upcoming greenhouse season.

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Posted in: Preparing the site for a Hartley Greenhouse