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Just got a bunch of Hurd cladded windows to install in my do-it-yourself farmhouse. No drip edge or meaningful instructions were included. Can’t find good reference about flashing.
House is sheathed with OSB and felt. Thinking that a drip edge should be added above window under felt, and that the felt should go over the top fin and under the sides and bottom. Also, caulking between both the OSB and fins and the fins and felt. Is this the proper technique?
Also, just out of curiosity, do you guys like the plastic “button” fastners or do you prefer staples for attaching felt?
Thanks for any advice.
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Your flashing method that you describe is good, if you have an aluminum brake you can bend up drip caps to fit the window. I would definately caulk the flanges to the OSB and probably even Tape the outsides. As far as your felt concern, staples are good as long as they set without ripping the paper.
*Just finished similar work. Used weathershield windows and they said set them in caulk and caulk on exterior of flange and all nailing holes. I don't have a break, but if you are careful you can bend aluminum flashing with a straightedge to create a drip edge above window. I live in a high wind/rain area, so caulked and put drip edge. Ounce of prevention. . .Used button nails on felt. Would use staples next time. Knew felt would be exposed for awhile until cedar shingles went up, so went with button nails. They were inconvenient at some locations.Good luck.
*I always use a product that is made here in CO called Wind Strips. They are great for roof felt, but will also work well for sidewall too. The product is a tough, yellow, non-stick, plastic tape about 1" wide and in 500' rolls. Just staple the field and staple the tape on all seams in felt. I do not have any more info, except that i remember that they were made by a company in Niwot, CO near Boulder