Musings from the workshop
1st May 17
Our Guide to interlinings

There are various types of Interlining you can buy to make your curtains and blinds with and the choice can be a bit confusing. Here is our guide to help you choose which interlining to use and explain the terminology.

We Interline curtains and blinds to give them greater thermal properties and more body. Interlining is a blanket like fabric sandwiched inbetween the lining and the face fabric, It gives greater thermal efficiency by trapping air and blocking draughts through the curtain or blind.

Cotton or Synthetic

The first real differentiator in interlinings is whether the interlining is cotton based or 100% synthetic (usually polyester).

Cotton Mix Interlinings
  • Bump
  • Domette
100% Synthetic
  • Sarille

Bump

Bump is the heaviest, bulkiest interlining, loosley woven and about 400-350gsm in weight. It is usually 100% cotton , available as standard or pre-shrunk. (we use pre-shrunk to help reduce problems with movement and shrinkage)

Domette

Domette is again usually 100% cotton like bump but in a lighter weight (300gsm-150gsm) . (we use pre-shrunk to help reduce problems with movement and shrinkage)

Cotton interlinings are liked because they are a traditional material and a natural product. They do have the down sides of shrinkage and being quite dusty when cutting and working with though.

Sarille

Sarille interlinings are usually 100% polyester and white in appearance. Effectively they are a polyester version of a domette usually coming in weights (300gsm-160gsm). Manufactured by stitching and bonding the fibres together with heat, sarille is very stable compared to bump and domette. It resists stretching, distortion and is far more resistant to shrinkage. (we use Sarille in blinds and light interlined curtains, it is a great chioce for making your first interlined curtains and works very well in interlined roman blinds)

Single Side

All interlinings are generally raised (fluffy) on both sides. However there are some domettes that are only rasied on one side. These interlinings are used on silks where the flat side is against the silk. (with silks the raised side can sometimes repel the silk affecting it's drape.)

What we use

Extra Help & Comments

Millie
What weight interlining would you suggest for roman blinds (mine are 1m wide by 2m drop)
Sew Helpful
We tend to use a 180gsm or 220gsm sarille in our roman blinds
sarah
Are there any situations where you wouldn't interline ? Im making curtains for a cottage and they have a relatively short drop 1.5m . Im concerned the interlining may make then too bulky for the window size.
Sew Helpful
Being to thick is a consideration, you can use a lighter sarile, hand pleated comes up less thick than pencil pleat when stacking back. at the end of the day it is a judgement and the thickness of the fabric will also be a factor.

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