Mr-Glass Window Replacement Nationwide | Sightline Windows & Doors Hobe Sound

Mr-Glass Window Replacement: The Hobe Sound Owner’s Guide

Mr-Glass window replacement in Hobe Sound typically runs $340-$780 per opening installed, depending on series and whether the frame is salvageable. We stock Mr-Glass-compatible sashes, balances, and hardware for the 300, 500, and 700 series on our trucks, and most replacements in Hobe Sound finish same-day. Most owners discover the problem when a window that used to stay open on its own starts drifting shut, or when the tilt latch cracks during routine cleaning and the sash won’t lock back into the jamb.

Call (772) 362-5967

Which Mr-Glass Models This Applies To

Mr-Glass organizes its residential vinyl line into three series: the 300 (single-hung, builder-grade), 500 (single- and double-hung with better weatherstripping), and 700 (double-hung, reinforced frame, impact-rated options). The part you need depends on which series is in your wall.

Check the spacer bar between the panes or the edge of the sash for a stamped series number. If the label’s worn off, measure the frame depth: 2-5/8″ indicates 300 series, 3-1/4″ points to 500 or 700. The 700 series uses a thicker balance shoe and a wider tilt latch that looks identical from above but will not seat in a 500-series jamb - we’ve inherited three jobs in Hobe Sound where a homeowner or handyman forced the wrong latch and split the master frame.

OEM Mr-Glass parts ship from the Orlando distribution center in 5-7 business days. We carry quality aftermarket equivalents that match the OEM spec on dimensions and load rating but cost 30-40% less on the part line. For impact-rated 700-series units, we specify OEM - the Miami-Dade NOA documentation travels with the product, and that’s what your insurer will ask for if the window ever has to prove itself.

Before

After

Signs Your Mr-Glass Window Replacement Is Failing

• The sash drops or won’t stay open. The coil balance has lost tension. In Hobe Sound’s humidity, we’ve seen balances corrode faster than the manufacturer rates - salt air from the St. Lucie Inlet accelerates oxidation in homes within a mile of the water.
• Condensation between the panes that doesn’t wipe away. The insulated glass unit (IGU) seal has failed. Once desiccant saturates, the glass pack is done - it cannot be resealed in the field, only replaced.
• Tilt latches crack or the sash falls forward when you clean it. The plastic latch has fatigued from UV exposure. Mr-Glass uses a proprietary latch geometry; generic replacements from the hardware store will click in but won’t hold under load.
• Air leaks or visible daylight at the sash perimeter. Weatherstripping has compressed or the sash frame has bowed. We check with a smoke pencil during survey - a reading that moves at the meeting rail means the seal is gone.
• The lock engages but the sashes still shift. The keep (strike plate) has wallowed out or the sash is out of square. On older 300-series units in Hobe Sound, we’ve found frames that settled with the house and no longer sit plumb in the opening.

Replacement Cost & What’s Included

What drives the range: frame condition (salvageable jamb saves $200-$400), height of the opening (second-story ladder work adds labor), and whether the original installation was flashed correctly. Every quote we write in Hobe Sound starts with the measured survey you keep; the price on that document is the price on the invoice - Haven Clause 1. Work carries our 365-Day Done Right Promise under the Haven Standard, and you receive a documented photo record of the completed installation.

DIY or Call Us?

There is nothing dangerous about a vinyl window sash - no spring tension that will release, no electrical hazard, no gas line. What goes wrong is measurement and specification.

An owner can safely check: whether the sash is actually Mr-Glass (look for the logo stamp), whether the failure is in the glass or the hardware, and whether the frame is square with a basic level. What we see go wrong: a homeowner orders a 28″ x 54″ sash when the rough opening is 28″ x 54″ - the sash itself is smaller, and the unit arrives an inch shy on each side. Or they replace a 500-series balance with a generic that fits the channel but carries the wrong pound rating, so the window slams shut two months later.

We are an independent service provider - not affiliated with Mr-Glass - and we carry the series-specific parts on our trucks. If you’ve already measured twice, call (772) 362-5967 and we’ll confirm the spec before anything gets ordered.

FAQs