How To Flash Window Openings When Using T1-11 Siding And Using Windows With Nailing Flanges

Vinyl Windows with T-111 Siding

Vinyl Windows with T-111 Siding Questions and Answers

Vinyl Windows with T-111 Siding questions

Vinyl Windows with T-111 Siding

Robert asked

I want to build a shed using vinyl windows with T-111 siding. There is no other capsule under the siding then how should I frame the window openings so the windows don't leak and how do I cover up the nailing flange on the windows

Robert,

There are several methods of installing vinyl windows with T-111 siding. I of the simplest and most maintenance free methods is to utilize vinyl brick mold to seal and

vinyl brick molding image

Vinyl brick mold

vinyl window without J-channel

cover the nail flange. I recommend using vinyl windows that do not accept built in J-channel. If it does have a built in J-channel extra care must be exercised to ensure a good seal betwixt the J-channel and the vinyl brick molding.

Frame window opening to the rough opening size recommended by the window manufacturer

Install T-111 siding with window openings cut out to the same size as framing

Wrap jamb with plastic vapor barrier that covers framing and extends about iii or 4 inches onto the t-111

Utilize a liberal bead of caulk on the window wrap all the way around the window opening

Prepare the window in the opening ensuring that the caulking seals the window flange to the wrap on all sides and smash the window in place

Utilize a continuous bead of caulk on the face of the nailing flange centered over the nails/nail slots and another bead on the adjacent side of the window jamb

Cover the nailing flange by installing vinyl brick molding around all four sides of the vinyl window in a "motion-picture show frame" configuration

Use PVC glue or adhesive caulking on the corner miters to prevent water infiltration

Caulk the exterior of the brick mold to seal information technology to the siding/window wrap with special emphasis on the tiptop

For increased conditions protection install a metal or vinyl baste cap over the window

This method volition brand the window installation watertight, mostly maintenance free and allow for replacement of the window if needed without having to disrupt the siding. Routine maintenance such equally caulking and painting will extend the life of the shed indefinitely.

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Well-nigh Tony Forest

Tony is a life time resident of Northward Carolina with over 40 years experience in multiple facets of the industrial, commercial and residential construction industry. For the past 33 years he has endemic and operated Wood'due south Home Maintenance Service, providing services primarily in Johnston, Wake and Sampson Counties of North Carolina. ______________ ______________________________________________________ The information contained in this Web log is opinion derived, from hands on experience of over 40 years in the structure industry and by extensive enquiry by the writer. All postulations are referenced to the geographic location in which this feel was gained.