FX7 Steel Window Frame (Left-Hand) – Ideal for Custom Aluminium Windows
The FX7 Steel Window Frame LHS by BuildersStoreSA serves as a premium base for crafting bespoke aluminium windows—ideal for homeowners and builders in Johannesburg, Lenasia, Roodepoort, and beyond. Designed for easy installation and durable performance, this frame is ready to receive premium aluminium sashes, glazing, and trim to create stunning, long-lasting windows.
Key Features & Frame Specifications FX7 Steel Window Frame
- Type: FX7 series left-hand steel frame – robust, weldable, and designed for aluminium retrofitting
- Compatibility: Ideal for 26 mm aluminium profiles used in modern builds across SA
- Size: Standard opening ready—custom-sizing available for bespoke projects
- Finish: Optional primer-ready or powder-coat finish—ideal for coastal or high-humidity environments
- Hardware Points: Welded lugs included for secure hinge and lock installation
- Installation: Compatible with BuildersStoreSA quality aluminium glazes and security hardware
- Aluminium windows Lenasia: Build your own modern window with this frame as the foundation.
- Aluminium windows sizes: Supports window widths from 900 mm up to 2,400 mm when combined with aluminium sashes.
- Aluminium windows catalogue: Explore full aluminium fitting components on BuildersStoreSA.
- Aluminium windows near me & prices: Frame stocked in Gauteng—collect or arrange delivery.
- Cheap aluminium windows near me: Reduce build costs by starting with a steel frame and aluminium sashes.
- Second hand aluminium windows near me: This frame pairs well with refurbished sash units.
- Aluminium windows price list: View full components pricing—including frames, sashes, glass, hardware.
- Cashbuild aluminium windows prices: Custom-build option that outperforms big-box alternatives.
Benefits & Use Cases
- Customisation: Enables tailored aluminium installations in custom sizes and opening styles.
- Durable Build: Steel foundation offers structural rigidity and long-term stability.
- Cost-Effective: Affordable base for premium aluminium windows—outperforms all-in-one units.
- Seamless Finance: Combine with aluminium sashes, glazing, and hardware from BuildersStoreSA.
- Suitable for Retrofits: Ideal when upgrading from old wooden or steel frames.
Why Choose This Frame from BuildersStoreSA?
- Flexibility: Use with any 26 mm aluminium system—top-hung, sliding, casement, or fixed lights.
- Competitive Pricing: Starting from R599 for standard sizes—bulk quotes available.
- Local Stock: Available immediately in Gauteng; custom frames ready in 7 days.
- Eco‑Friendly Option: Frame is recyclable and compatible with recyclable aluminium systems.
Installation & Maintenance Tips
- Check wall opening is plumb and level before fitting the frame.
- Secure with heavy-duty screws into masonry or timber surrounds.
- Seal with silicone or polyurethane to prevent water ingress.
- Paint or powder-coat if necessary for coastal exposure.
- Pair with BuildersStoreSA aluminium sashes and hardware for finish-ready windows.
Technical Specifications
| Specification | Details |
|---|---|
| Frame Type | FX7 Series – Left-hand steel |
| Profile Width | Standard 26 mm aluminium sash fit |
| Material | Galvanized steel – paint or powder-coat ready |
| Hardware Lugs | Included – hinge and lock mounting |
| Sizes | Standard ready-fit; custom sizes on request |
| Price (ex GST) | From R599 |
Related Building Components
- 26 mm Aluminium Casement Sashes
- Safety & Double-Glazed Units
- Handles, Hinges & Draft Seals
Authoritative External References
Learn about aluminium vs PVC frames .
Review South African window standards via the Aluminium Federation of South Africa.
FAQs – Targeted for High‑Value Search Queries
What are aluminium windows?
Shop-bought or bespoke window units featuring 26 mm aluminium sashes fitted into frames like this FX7 base.
What is the advantage of an aluminium window?
Offers sleek profiles, corrosion resistance, low maintenance, and recyclability—ideal with steel-framed builds.
How good are aluminium windows?
When combining steel frames and aluminium sashes, they deliver exceptional strength and longevity.
Why is aluminium used to make windows?
It’s lightweight, corrosion-resistant, and structurally reliable.
What is the disadvantage of aluminium windows?
They may transfer heat—but thermal glass and seals mitigate this issue.
How expensive are aluminium windows?
Custom builds start from R1,699 complete (frame + sash), depending on size and glazing.
What is the lifespan of an aluminium window?
With proper installation, factory glass, and maintenance, 20–30 years or more.
Which is better aluminium or PVC windows?
Aluminium is stronger and more design-flexible; PVC has insulation advantages and lower cost.
Which is a disadvantage of aluminium window frames?
It’s conductive—adequate sealing and glass choice solve the issue.
Why do aluminium windows fail?
Poor sealing and installation are common causes. BuildersStoreSA frames include hardware for secure fit and seal.
What do I need to install aluminium windows?
You need a plumb & square frame, silicone sealant, wedge & screws, and aluminium sashes.
Do aluminium windows rust?
No—aluminium doesn’t rust, and combining it with this galvanized steel frame avoids corrosion issues.
Order or Contact Us
Ready to build your custom window? Order the **FX7 Steel Frame LHS** now from BuildersStoreSA.com. For custom sizing, glazing, or installation options in Lenasia, Roodepoort, or Johannesburg, please contact our team today!
