Exterior Caulks and Sealants Instruction

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Gluing Exterior Trim

Q: When installing stained vertical cedar siding or fascia trim, what type of glue should be used for splices and corners? Some contractors like to dab a little stain on the cut ends of 3-degree splices or on 4-degree corner miters, but is there an exteri More

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Do Fiber-Cement Butt Joints Have to Be Caulked?

Q: The clients on an upcoming project are interested in installing fiber-cement... More

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Soundproofing a Through-Wall Air Conditioner

The solution to a neighbor's noisy air conditioner lies at your own bedroom window. More

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Q&A: Flashing an Arched Window

Q. What's the best way to flash an arch-topped window? More

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Q&A: Caulking Siding — or Not?

Q. When installing cedar clapboard, should gaps between the siding and trim be caulked? More

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Q&A: Grout or Caulk?

Q. When installing a mortar-bed shower floor, should the gap between the drain and the adjacent tiles be finished with grout or with caulk? More

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Q&A: Sealing Garage Floors

Q: Is a concrete sealer effective at protecting a garage floor from road salt damage? If so, what is the best product to use — a floor paint or a clear waterproofing sealer? More

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