Home · Guides · Fabric weight & light

The fabric guide

Curtain fabrics: sheer to thermal-lined

Blind catalogues explain fabric with percentages and openness factors. A workroom explains it the way you will live with it: what the room looks like at ten in the morning and what the street sees at ten at night. Four weights, told in cloth.

Curtain fabrics folded in a stack ordered from transparent voile at the top to heavy blockout lined cloth at the bottom
The whole scale in one stack: voile at the top, blockout at the bottom, your room somewhere in between. Illustrative image.

Weight one

Sheer: light in, glare out

Voiles and open weaves. Daylight comes through diffused, the view stays readable, and daytime privacy holds because the bright side is outside. The honest limit: at night the physics flips. Once your lamps are brighter than the street, a sheer alone is a stage curtain and you are the show. Sheers live their best life layered with something solid behind them.

Weight two

Light-filter: the soft middle

Denser than a sheer, still unlined. Daylight arrives as an even glow, shapes blur to silhouettes in both directions, and the room keeps a sense of the day without its glare. This is the terrace front-room fabric, and the home-office fabric for anyone tired of screen reflections. Its limit: it softens light but does not stop it, so it will not darken a bedroom or hold back a western afternoon on its own.

Weight three

Blockout-lined: darkness on demand

A face fabric you choose for looks, backed with a lining whose one job is stopping light. Done properly, with a measured overlap and returns, the room goes dark enough for shift sleep and day naps. The limit is the fit, not the fabric: blockout cloth with gaps around it is just an expensive picture frame for daylight. This is the weight where made-to-measure stops being a luxury and starts being the point.

Weight four

Thermal-lined: the comfort layer

An insulating lining that slows heat crossing the glass in both directions: winter warmth stays in, summer radiance stays out, and most light stops with it. Windows are the weak wall of most Australian homes, and the Australian Government's YourHome guidance is straightforward about the fix at the fabric end: close-fitting, floor-length lined curtains, sealed at the top with a pelmet, make a real difference to heat loss through glazing. We will not put a number on your windows from a web page; we will say that in Fletcher and Cameron Park, where new estates face the western sun with young gardens and big glass, this is the weight we quote most.

Source: YourHome, Australian Government: Glazing.

The night test

One question that picks the weight

Stand in the room and ask: what should this window do at 10pm? The answer nearly always names the fabric.

At 10pm this room should be...Then the weight isAnd by day
Softly lit, view still there, nobody watching inSheer + blockout on a double trackSheer working alone
Private, cosy, light optionalBlockout-lined drapesDrawn back to the stack
Pitch dark for sleepBlockout-lined, overlap and returns specifiedWhatever the second layer says
Warm without the heater arguing with the windowThermal-lined, floor length, pelmet on topOpen to the winter sun
Nobody is in it at 10pm (kitchen, study)Light-filter, or a roman blindSoft, even glow

Hold the swatch up to your own window at the time of day that bothers you. That is the entire test, and it is why we come to you.

Book a free measure & quote Try the weights in the planner

Free in-home measure & quote

Ready when your windows are

Tell us the rooms and what the light does in them. We come to you, measure every window properly, bring the fabrics so you can judge them in your own light, and leave you a written quote. No obligation, and nothing is made until you say so.