Should I Wash Waterproof Fabric Before Sewing?

1st September, 2023

Should I Wash Waterproof Fabric Before Sewing?


“Should I Wash Waterproof Fabric Before Sewing?” is a question we get a lot and for good reasons.

In this blog post, we will answer that question and explain why.



What are Waterproof Fabrics?


Waterproof fabrics are textiles that have the incredible ability to repel water and keep you dry, no matter the weather. They are specially designed to protect you and your belongings from moisture in various situations.

The design of waterproof materials holds the key to their effectiveness! These fabric are treated or coated by manufacturers with unique materials that create a strong water barrier.

Waterproofing involves covering a fabric with a layer that prevents water molecules from penetrating while yet enabling air and moisture vapour to escape. This implies that you keep dry without experiencing internal suffocation.

Do you want to know more about Waterproof Fabrics? Read our blog post “What Is Waterproof Fabric?”



Should I Wash Waterproof Fabric Before Sewing?


Yes, it is generally recommended to wash waterproof fabric before sewing as it serves several purposes and can greatly contribute to the success of your sewing project. Here is why:


Removal of Chemicals


Waterproof fabrics often undergo a manufacturing process that involves the use of chemicals and washing them, helps to remove any residual chemicals that may be present.

This step is particularly important if you have sensitive skin or allergies as it minimizes the risk of skin irritation.




Washing the fabric before sewing helps to pre-shrink it.

Why is this important? Because if the fabric is made from natural fibers such as cotton or linen, as they have a tendency to shrink when washed.

The goal is to ensure that your finished project will maintain its shape and size even after subsequent washes.



Precautions when Washing


Manufacturer’s Instructions


Always refer to the manufacturer’s guidelines or contact the shop you have bought the fabrics from, on washing and caring for the specific waterproof fabric you are using.

Having these instructions ensures the fabric’s performance.


Use Gentle Detergents


Use mild detergents that do not contain harsh chemicals or additives and completely avoid using bleach, fabric softeners, or strong detergents, as they will damage the fabric’s waterproof coating.


Gentle Washing Cycle


Choose a gentle or delicate cycle on your washing machine to minimize any potential damage to the fabric.

Also important, try to wash the fabric in cold water to avoid weakening the waterproof coating.



We advise everyone to wash waterproof fabric before sewing even if it isn’t mandatory, as it offers significant benefits.

Washing removes chemicals, softens the fabric, and allows you to test its durability, but if you do so, please, it is essential to follow the manufacturer’s guidelines and take precautions to maintain the fabric’s waterproofing properties.



Visit us at UK Fabrics Online.

If you have any questions, email us or leave a comment here.

Hope you enjoy this one.

Thank you!

Leave a Reply

Your email address will not be published. Required fields are marked *

© 2023 UK Fabrics Online. All Rights Reserved.