8414 Sabal Industrial Blvd, Tampa, FL 33619
Hurricane Strong. STH Strong
Mon – Fri 8:00AM – 5:00OM / Sat-Sun – Closed
8414 Sabal Industrial Blvd, Tampa, FL 33619
Hurricane Strong. STH Strong
Mon – Fri 8:00AM – 5:00OM / Sat-Sun – Closed
Updated October 1, 2026 · Buyer’s Guide
Searching for Semco windows and doors replacement parts usually means something small has gone wrong: a sash that will not stay up, a lock that no longer catches, a handle that wobbles, a roller that grinds, or a pane that has fogged over. Here is the honest answer. Whether a part can still be found depends on the age of your product, the specific part and the original maker. For any older window or door, some parts can still be sourced through the original maker and others cannot, and nobody can promise either outcome until the part has been identified.
This page is not published by Semco, and STH Windows & Doors does not list replacement parts for Semco windows or doors. What we can do is show you how to identify what you have, how to tell a simple repair from a unit that is wearing out, and when replacement is the smarter move. If it comes to replacement, we sell and install windows and doors across Tampa, St. Petersburg and the surrounding area, and you will find those lines further down.
A vague request such as “my window handle is broken” goes nowhere. These are the details that make a part findable, and the same details tell you whether repair is realistic in the first place.
Name the operation first. Single-hung, double-hung, casement, awning, horizontal slider, fixed, hinged door, sliding door and multi-slide units all use different hardware, and a lock or balance made for one will not fit another. Note which way the unit opens, and for doors which way it swings, because hardware is often handed left or right.
Look along the edges of the sash or door, on the frame, and on the hardware itself for labels, stamps or part numbers. Photograph anything you find before you clean or paint near it, and keep the photo with your home records. If a label has worn away, the details in the next items become your fallback.
Take clear photos of the part from several angles, both mounted and removed. Measure the screw spacing, the overall length and width, the distance from the edge to the center of a handle or lock, and note the finish. For a roller or balance, keep the old one in hand. A part described with exact measurements and photos is far easier to match than one described in words.
Wood, vinyl, aluminum and clad frames age in different ways. Wood can swell, rot or hold moisture at the sill. Vinyl can warp or discolor after long sun exposure. Aluminum can corrode in salt air, especially around screws and corners. The material also tells you whether the frame can carry a new part at all, because a screw with nothing solid to bite into will not hold.
Fog or moisture trapped between the panes means the sealed glass unit has failed, and no handle, lock or balance will fix that. On an older unit, failed glass is often the point where repair stops making sense, so check the glass before you spend time hunting for hardware.
A window that sticks may have a worn balance, or the whole frame may have shifted. Water stains at the sill, soft wood, daylight around the edges, or a door that rubs in one corner point to the opening rather than the hardware. A new part on a frame that has gone out of square only hides the symptom for a while.
If your windows or doors are impact-rated, the glass, frame and hardware work together as one approved assembly. Before swapping glass or major parts, ask your installer or permit office whether the change affects the product’s Florida Product Approval, and keep any approval paperwork you have. Approval numbers can be looked up on the Florida Building Commission site, and your permit office makes the final call for your address.
Run through these checks on each window or door. They are the questions a good installer will ask, and they keep one small repair from turning into a string of small fixes.
| Check | What it tells you |
|---|---|
| Fog or moisture between the panes | The sealed glass unit has failed. Hardware repairs will not fix it. |
| Soft, crumbling or stained wood, or corroded metal at the frame | Damage in the frame itself usually means the whole unit, not a single part, is near the end of its life. |
| Daylight, drafts or water at the edges | The unit is no longer sealing. New hardware will not restore a failed seal or flashing. |
| A part number or clear identification | If the part cannot be identified, no source can match it. Photos and measurements help. |
| Confirmation that the part is still available | Availability for older products varies, and only the original maker can say for your exact product. |
| How many things are failing at once | One loose handle is a repair. A failing lock, a sticking sash and a fogged pane together point toward replacement. |
| Protection for the opening | If the opening has no impact protection, replacement is the chance to add it, instead of repairing a unit you will still need to cover with shutters. |
If you are deciding whether to keep your Semco windows and doors or replace them, ask for any repair quote to list the parts, the labor and anything not included, and ask for a replacement quote to show the same level of detail. Comparing like with like is the only way the two options can be judged fairly.
If repair is not the right answer, these are the complete windows and doors you can browse on our site right now. Each product page lists its specifications.
Looking at the whole picture? Start with our doors overview.
Replacement tends to make sense when the glass has failed, the frame is damaged, several parts are worn at once, or the opening has no storm protection. A new unit also lets you choose the glass, the frame material and the impact protection fresh, instead of repairing around the limits of an older product. Tell us what you have and what is going wrong, and we will walk you through the replacement options with a free estimate and no pressure. Our financing page covers payment options.
Tell us what you have and what is failing, and we will walk you through the windows and doors we carry. Call (813) 775-4113 or request your free estimate.
