Resources + guides | Lume Windows + Doors

Guides + advice

Know before you buy.

Straight answers on glazing, condensation, consent and cost, written by the people who fit the joinery, not a marketing team.

FeaturedGlazing · 6 min read

Single vs double glazing: what actually changes

The honest version. What you'll feel in the room, what you'll see on the power bill, and where double glazing is, and isn't, worth it on a Christchurch villa.

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Materials · 5 min

What a thermal break actually does

The polyamide strip hidden inside an aluminium frame, and why it's the difference between a frame that feels cold and one that doesn't.

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Glazing · 4 min

What a thermal spacer does

A thermal (warm-edge) spacer is the bar that holds the two panes of a double-glazed unit apart. Swapping aluminium for warm-edge keeps the glass edge warmer and cuts edge condensation. Here's how it works.

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Materials · 4 min

Thermal spacer vs thermal break

Two names that sound alike and get mixed up constantly. Where each one sits, what each one fixes, and why you want both.

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Comfort · 5 min

How to beat condensation for good

Streaming windows every winter morning? It's rarely the glass. Here's what's really going on and the fixes that work.

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Glazing · 5 min

What Low-E glass does, in plain terms

A near-invisible metal coating that keeps heat where you want it. How it works and when to spec it.

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Finishes · 4 min

Choosing a powder-coat colour that lasts

Matt black is everywhere, but will it fade? A quick guide to durable finishes and our 15-year coat warranty.

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Money · 3 min

Financing your joinery upgrade

ANZ, Westpac and BNZ all offer reduced-rate or interest-free energy loans that cover double glazing and thermally broken windows. What each one offers, and how to stage a whole-house upgrade.

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Guides + advice.

Know before you buy.

Single vs double glazing: what actually changes

What a thermal break actually does

What a thermal spacer does

Thermal spacer vs thermal break

How to beat condensation for good

What Low-E glass does, in plain terms

Choosing a powder-coat colour that lasts

Financing your joinery upgrade

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