Henri de Marne

Henri de Marne's Posts

Gutters in Cold Climes

Q. The jury still seems to be out as to whether to install gutters in a northern climate. Could you please shed some light on this, especially as to how omitting gutters would contribute to leaky basements? Read more

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Q&A: Insulating Above a Plank Cathedral Ceiling

Q: What’s the best way to insulate over an exposed 2x6 tongue-and-groove cathedral ceiling on a log house in Colorado? Some have suggested using SIPs, but others have advised that, because this particular roof is cut up with valleys and dormers, I would lose the labor savings associated with SIPs and end up with a very expensive roof. Another suggestion was to box out the roof with 2-bys, then spray foam insulation into the grid and cover it with plywood. A final suggestion was to put down foam panels right over the 2x6 plank ceiling, seal the joints, and lay plywood over that. Unfortunately, no one has given me details for these applications. Can you advise? Read more

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Q&A: Venting Shed Roofs

Q: I want to vent an existing shed roof that intersects a vertical wall at the ridge. Because this roof is at the front of the house, I don’t want to place any visible vents in the roof. Is there an inconspicuous ridge vent available that can be insta Read more

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Q&A: Cold Roof Retrofit

Q: A homeowner in central Pennsylvania has asked me to repair a roof with a history of ice-dam problems. The roof is over a cathedral ceiling that has only 6 inches of fiberglass insulation, with no space for venting above the insulation. Can you provide Read more

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Q&A: Removing Stains From Wood Beams

Q: I have some 8x16-inch Douglas fir beams that have black stains from the steel saddles. How can I remove the stains? Can I use a solution of oxalic acid crystals? Read more

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