Window Glass Replacement in Perth: Choosing the Right Glass

Published 20 July 2026 · Perth Glass Repair

When you need window glass replaced, the glazier will ask what type of glass you want — and most homeowners have no idea there's a choice. Here's a plain-English guide to the glass types used in Perth homes, so you know what you're paying for.

Float glass — the everyday standard

Standard annealed "float" glass is what most older windows contain. It's the most affordable option and perfectly fine for higher windows away from doors and walkways. Its drawback: when it breaks, it forms large, sharp shards — which is why Australian standards restrict where it can be used.

Toughened glass — four times stronger

Toughened (tempered) glass is heat-treated to be roughly four to five times stronger than float glass, and when it does break it crumbles into small blunt granules. It's mandatory in doors, shower screens, pool fencing, balustrades and low windows people could fall against. It can't be cut after toughening, so every panel is made to order.

Laminated glass — safety plus security

Laminated glass sandwiches a plastic interlayer between two glass sheets. When it cracks, the pieces stay stuck to the interlayer instead of falling out — so it's both a safety glass and a security upgrade, since it resists being smashed through. It also blocks most UV and dampens outside noise, which makes it popular for street-facing windows.

Obscure and frosted glass

Bathrooms, toilets and front-door sidelights typically use obscure (patterned or frosted) glass for privacy. Common patterns in Perth homes can usually be matched or closely substituted, and obscure glass comes in both float and toughened versions depending on where it's going.

Where safety glass is legally required

Under AS 1288, Grade A safety glass (toughened or laminated) must be used in doors and door sidelights, panels within 500mm of the floor, bathrooms and wet areas, and any glazing a person could reasonably impact. When we quote your window or door glass replacement, we'll tell you whether your location requires safety glass — it's not optional, and a reputable glazier won't fit float glass where it doesn't belong.

Get an accurate replacement quote

Measure the visible glass (width × height), note whether it's clear, frosted or tinted, and snap a photo of the frame. Send it through and we'll quote the correct glass type for the location — compliant, cut to size and cleanly installed anywhere in the Perth metro area.