What is blocking, and do I really need to do it? Crochet Techniques
What is blocking, and do I really need to do it?
Blocking is a finishing technique used in crochet (and knitting) to shape, smooth, and set your completed projects. It helps to even out stitches, correct distortions in the fabric, and give your work a more professional appearance. Whether or not you need to block depends on the type of project, the yarn used, and the effect you want to achieve.
What is Blocking?
Blocking involves dampening or steaming your crochet project and then pinning it into the desired shape on a flat surface. Once dried, the fabric “remembers” this shape, resulting in a smoother, more even appearance. There are different methods of blocking, including wet blocking, steam blocking, and spray blocking, depending on the material of your project.
Why Block Your Crochet?
Improves the Look and Shape Blocking evens out stitches and smooths out any bumps or uneven sections. It can straighten edges, square corners, and help lace patterns to open up beautifully. For garments or home decor items like blankets or pillow covers, blocking can create crisp, clean lines and prevent curling.
Sets the Size Many crochet projects, especially garments, need to meet specific measurements. Blocking allows you to stretch or relax the fabric into the correct dimensions. This is particularly important for items like sweaters, shawls, and scarves, where fit and drape matter.
Enhances Stitch Definition Blocking can significantly improve the appearance of intricate stitch patterns, such as lace, cables, or textured stitches. It helps to open up lacework, making the design more visible and defined.
Reduces Curling Certain crochet stitches, especially those worked in rows (like single crochet), can cause the fabric to curl at the edges. Blocking can flatten out these curls, helping the edges of your project to lay flat.
Seams and Joins Look Cleaner If your project involves multiple pieces that need to be sewn together, blocking can make assembly easier and give cleaner seams. The pieces will lay flat and be the correct size, making it simpler to line them up for joining.
Types of Blocking
There are three main methods of blocking crochet, each suited for different yarns and projects:
Wet Blocking
- How it works: Wet blocking involves soaking your project in water, gently squeezing out the excess (without wringing), and then pinning it to the desired shape on a flat surface. The project is left to dry completely before being unpinned.
- Best for: Natural fibers like wool, cotton, or linen. Wet blocking is excellent for lace and other open stitchwork.
- Process:
- Submerge your crochet project in lukewarm water.
- After soaking for about 10-15 minutes, gently squeeze out the water (you can roll it in a towel to absorb excess moisture).
- Lay the project flat on a blocking mat or towel, pin it into the desired shape using rust-proof pins.
- Leave it to dry completely before unpinning.
Steam Blocking
- How it works: Steam blocking uses steam to relax the fibers. You hold a steam iron or steamer above the project without touching it, letting the steam do the work. The project is then pinned in place to cool.
- Best for: Acrylic or synthetic yarns that don’t respond well to water. Steam blocking is good for projects that need a light blocking, like scarves or blankets.
- Process:
- Lay your project on a flat surface and pin it to the desired shape.
- Hold a steam iron or steamer a few inches above the fabric and let the steam pass over it without touching the yarn.
- Allow the project to cool before unpinning.
Spray Blocking
- How it works: Spray blocking is a lighter version of wet blocking. You pin the project into shape first, then spray it with water until damp, and leave it to dry.
- Best for: Delicate fabrics or lightly textured projects where wet blocking would be too aggressive.
- Process:
- Pin the crochet project into the desired shape on a blocking mat.
- Spray the entire surface with water until it’s damp, but not soaked.
- Let it air dry completely before unpinning.
When Do You Need to Block?
Garments If you’re making a sweater, cardigan, or any wearable item, blocking is highly recommended. It ensures that the fabric drapes correctly and that all pieces are the right size for assembly. Blocking also helps to soften the yarn, improving the overall comfort of the garment.
Lace Patterns Lace crochet, such as in shawls or doilies, almost always benefits from blocking. The process opens up the delicate patterns, making them more visible and giving the project an airy, lightweight look.
Home Decor Projects like table runners, coasters, and blankets can be enhanced by blocking, especially if you want them to lay flat and have smooth, even edges.
Accessories Blocking can improve the drape of scarves, cowls, and hats, making them more comfortable to wear. For hats, blocking over a form or balloon can help shape the crown.
When Working with Natural Fibers Natural fibers like wool, alpaca, and cotton tend to change slightly after washing and blocking. Wet blocking helps set the final shape and size.
When Can You Skip Blocking?
Acrylic Yarns Acrylic yarns don’t always benefit from wet blocking, as they don’t have the same memory as natural fibers. Steam blocking or lightly pressing can help, but acrylic tends to hold its shape better without blocking.
Small Projects For small projects like amigurumi or simple coasters, blocking may not be necessary unless you want to even out the stitches.
Sturdy or Dense Items Items like bags, baskets, or rugs, where the fabric is intended to be firm and structured, might not need blocking. In these cases, the structure of the stitches is more important than a soft drape.
How to Tell if You Need Blocking
If your project looks uneven, has curling edges, or doesn’t meet its intended size, blocking can help fix these issues. If it’s a delicate lace piece, a wearable garment, or a home decor item, blocking will enhance its appearance. However, for dense, structured, or acrylic items, blocking might not be necessary.
