Notes from the field
Local rules, door and glass explainers, and what changed this year, each with its sources.
10 posts
- Rough Opening vs Frame Size: How Windows Fit a WallThe rough opening is the hole framed in the wall. The frame size is the outside size of the window or door unit. The opening is larger so the unit can be set level, plumb and square. One manufacturer's casement chart typically adds 1/2 inch to the frame size. Always use your maker's drawing.Nov 3, 2026
- The Federal Window Tax Credit Ended: What Still MattersThe federal Energy Efficient Home Improvement Credit, often called 25C, ended for work after December 31, 2025. The IRS says you can claim it for improvements made through that date, and its Form 5695 instructions say you cannot claim it for property placed in service after. Focus on performance and local code.Oct 27, 2026
- Simulated Double Hung Windows: The Classic Sash LookA simulated double hung window copies the look of two vertically sliding sashes, but its sashes do not slide. Bertrand says one sash, typically the lower, can open as a tilt-turn or side-hung window while the other stays fixed. You get the traditional look with modern seals and hardware.Oct 20, 2026
- Magnetic Sliding Doors Explained: Jada and BertrandMagnetic sliding doors use magnets in the track system so very heavy glass panels move with little effort. Jada says its Zero Gravity slider uses magnetic levitation for easier operation. Bertrand says its Hifinity Magnetic Slider moves triple-glazed panels weighing up to 600 kg by hand.Oct 14, 2026
- How a Pivot Door Works: Floor Pivot, Hinges and SillsA pivot door turns on a vertical axis set away from the door's edge, so part of the door swings in and part swings out. Jada uses a hydraulic floor pivot hidden in the floor that also holds the door open and closes it. Bertrand's MB-86N uses concealed bearing hinges rated to 500 kg.Oct 8, 2026
- DFW Energy Codes and New Windows: City by CityThe DFW cities named here do not share one energy code. Dallas lists the 2021 IECC, Southlake the 2021 IECC, and Highland Park and Frisco the 2024 IECC, while Fort Worth lists the 2015 energy codes. Texas names the 2015 IECC statewide. Check your own city before you choose windows.Oct 2, 2026
- Southlake Window Replacement Permits and Photo InspectionsThe City of Southlake's residential guidelines say window replacement does require a permit. Its inspections page lets contractors document some jobs by PDF photos, and for windows it asks for an overall photo of the house plus photos of each elevation with replaced windows. The city names the 2021 energy code.Sep 26, 2026
- Highland Park Window and Door Permits: What to KnowThe Town of Highland Park requires permits for remodeling, additions and repairs, and says the property owner must make sure a permit is obtained. Its residential builders packet lists window and door sizes with SHGC under 0.25 and U-factor under 0.35 on the plan checklist. Call the Town to confirm your scope.Sep 20, 2026
- M Streets Window Rules in Dallas: Conservation DistrictOn the front facade and wrap-around of an M Streets house, the Dallas ordinance allows only transparent, stained or leaded glass, and windows must be taller than wide. Muntins and mullions must stand out at least one-fourth inch, and metal frames must match original wood finishes. Get a Work Review Form first.Sep 14, 2026
- North Texas Hail Season and Your Windows: What to DoLarge hail can strike North Texas at any time of year, and the National Weather Service says it is most common in spring. If hail breaks your windows, file a claim fast, photograph the damage, cover openings to keep rain out, and get more than one repair estimate before you sign anything.Sep 8, 2026
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