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    Windows internally glazed and fully welded

    Internally Glazed · Fully Welded

    Security Starts With How Your Windows Are Built

    Not all uPVC windows offer the same level of security. APS windows are internally glazed and fully welded, with security built into the way the entire window is constructed.

    Free In-Home Consultation

    Get Your Free Quote

    See the difference a fully welded, internally glazed window makes. No pressure. No obligation.

      By submitting, you agree to be contacted by APS Double Glazing about your enquiry.
      • Glazing beads on the inside, out of reach from outside
      • Fusion-welded frames with fewer weak points
      • Continuous welded seal around the glass
      • Built for Australian heat, sun and weather
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      1. Internally Glazed

      The Glass Can’t Be Unclipped From Outside

      Glazing beads are the strips that hold the glass in place. On many uPVC systems they sit on the outside of the window, where they can be accessed. If they’re removed, the glass may be taken out from the exterior.

      APS fits the glazing beads on the inside. A key part of the glazing system is out of reach from outside, and combined with fully welded construction, the whole window is stronger and more secure.

      For Victorian homeowners protecting their families and possessions, security shouldn’t be an afterthought.

      Many other systems
      Externally Glazed
      OUTSIDE INSIDE Bead

      Beads face the street. They can be reached, and potentially removed, from outside.

      APS Double Glazing
      Internally Glazed
      OUTSIDE INSIDE Bead

      Beads face the room. No access from outside the home.

      APS fully welded uPVC windows in the Kilsyth factory
      2. Fully Welded

      One Continuous Frame, Not Joined Pieces

      Many systems rely on mechanically joined mullions and transoms. Every joint is a place where movement and temperature changes can open small gaps over time.

      APS components are fusion welded together into a rigid, continuous structure.

      • Greater structural integrity
      • Fewer mechanical joints
      • Less potential for movement over time
      • A stronger overall window system
      3. Weather Sealing

      Better Protection Against Air & Water

      Water can travel through extremely small gaps by capillary action, reaching the internal chambers of a window profile without being seen. Fully welded construction minimises those entry points.

      Fewer Pathways for Moisture

      No mechanical joints for water to creep through and reach the steel reinforcement inside the profile.

      Continuous Glazing Seal

      The glazing rubber is fully welded into one continuous seal, not separate sections meeting at the corners.

      No Sun-Stressed Outer Beads

      External beads, especially on coloured frames, can expand, contract and pull back at the corners in Australian heat. Ours sit inside.

      Why APS

      The APS Fully Welded Difference

      Greater Security

      Internally beaded, so glazing beads can’t be accessed from outside.

      Stronger Structure

      Fusion-welded construction creates one rigid, continuous window.

      Better Weather Seal

      Fewer potential pathways for air and water ingress.

      Long-Term Performance

      Less reliance on mechanical joints that can move over time.

      Built for Australia

      Designed for long-term exposure to Australian heat, sun and changing weather.

      Security Isn’t an Extra

      With APS, it’s built into the window.

      Security First

      Fully Welded. Built to Last.

      The strongest window isn’t just about the glass. It’s about how the entire window is built.

      • Free in-home consultation and quote
      • No pushy sales, no cowboy tradies
      • Made in our Kilsyth factory, installed by our own team
      Free In-Home Consultation

      Get Your Free Quote

      Tell us about your home and we’ll confirm a time that suits you.

        By submitting, you agree to be contacted by APS Double Glazing about your enquiry.