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Your Complete Guide to Curtain Linings - What's The Difference?

by Martha's Furnishing Fabrics

14 April 2022

So you’re choosing new curtains? How exciting!

Curtains are a huge, yet understated, piece of the puzzle when it comes to the big picture of how your home looks AND functions. A stunning drape can add to the elegance and style of your décor while also helping to block light, insulate, and trap heat in your room; both of which a good lining is a driving force behind.

We know it can get overwhelming when you start to choose all the different components that go into custom curtains. Curtains often last for years and years so getting it right from day dot is always good! Whether you’re in the early planning stages or ready to order, here’s a few things to consider about curtain linings that may help you choose the perfect option for your home and family! 

Standard polycotton lining

Our Standard Polycotton linings are a plain weave polyester/cotton blend. If you’re looking for a great lining to pair with a lightweight curtain fabric and aren’t fussed about light filtering through your curtains, perhaps in an office or laundry room, then our Standard Polycotton Lining is the one for you! While this lining doesn’t block out any light, it does provide some heat insulation to help reduce both the winter chill and your energy bill while also protecting your curtain fabric from harsh sunlight to help your curtains last longer. 

Light and airy fabrics tend to need a burlier lining to protect them from UV fading and mildew. Being a synthetic fabric, polyester is strong and does not wrinkle easily while also providing the aesthetic benefit of adding fullness to more lightweight fabrics. 

Thermal Lining

Our Thermal Lining is a single layer of polycotton that creates an effective insulating barrier between your curtains and cold windows. Thermal Lining has a single coating directly applied to the reverse side of the fabric to protect the lining and your curtain fabric from UV rays. This is the ideal curtain lining if complete cosiness is your number one priority. This lining blocks out 45% of light and would work best in rooms where total light control is not always necessary. 

Whether your home is in a colder region or not, curtains with thermal lining can really help to keep your rooms warm and your energy consumption low when the temperatures vary throughout the year.

Blackout Thermal Lining

Blackout Thermal Lining combines the insulating properties of Thermal Lining mentioned above while also blocking out 99% of light which is essential when total light control is required (perfect for bedrooms!). It differs to Thermal Lining as it has three layers of Supersoft Suede coating, as opposed to one, which allows it to achieve high-quality blackout and thermal benefits.

If this sounds like what you've been looking for check out our off white, 3 pass blackout lining!

Triple Weave Thermal Lining

A Triple Weave Thermal lining is a superior curtain lining choice if you’re looking for all-round functionality. This fabric construction differs from other lining as it’s three cleverly interwoven 100% polyester layers, one of which is a black layer woven into the middle, rather than a single coated layer. This achieves a desirable soft matte finish to both sides of the fabric (which differs from the Blackout Thermal Lining) and provides a luscious fullness and elegant drape when paired with your favorite curtaining fabric. Triple Weave lining is available in different muted hues, such as beige, duck egg, grey, and more, to help you create a completely cohesive curtain!

Triple Weave fabric is clearly very capable of insulating a room but also ticks all the boxes when it comes to functionality and maintenance. The answer to everyone’s questions when it comes to curtain lining: our Triple Weave lining is 90% blackout! Ideal for bedrooms so you can have an uninterrupted Sunday sleep-in or specifically in the kids’ rooms to maintain bedtime during daylight savings.

This curtain lining is also easy to maintain as it’s mildew resistant and machine washable to keep your curtains fresh and vibrant for years to come.

Using Triple Weave for your linings will incur a small additional cost when it comes to making your custom curtains.  

Bumph Interlining

Bumph is a 100% cotton interlining with a similar texture and feel to flannelette, and is used as an extra layer in between your curtain fabric and chosen lining (it cannot be used as a lining on its own).

Bumph is great to help provide an extra layer of insulation, which is particularly useful in colder parts of the country, and can also help to give your curtains a thicker and fuller looks, if that is what you are after!

We are happy to add bumph to your custom curtains with a Bumph layer, but this does incur extra costs. 

Choosing the perfect lining for your curtaining project is important whether you have a blank canvas in a new home, replacing old curtain or redecorating a holiday home! We hope this information took some stress out of comparing and choosing our different curtain lining options.


Have more questions? Check out our Curtain FAQ’s blog to answer those niggly questions or How To Measure Your Curtains if you need some guidance on the first step.

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