Minerva Core Range Boiled Wool Coating Fabric - Petrol

Minerva Core Range Boiled Wool Coating Fabric is a high-quality, heavyweight material perfect for ...

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MinervaMinerva 100% Pure Boiled Coating Fabric Petrol Wool Minerva Core Range Nt-04578-124
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Product Information

Full details

The Minerva Core Range Boiled Wool Coating Fabric is a premium, heavyweight textile designed for sewists crafting structured outerwear like coats, capes, and warm winter accessories. Featuring a dense, felted finish and a luxurious petrol color, it offers exceptional warmth and ease of use, as it does not fray when cut. Note that its 415 gsm weight requires a sturdy sewing machine and careful consideration of bulk when planning seams or pockets.

All features

Model Part NumberNT-04578-124
BrandMinerva Core Range

Extended Product Information

FAQs

Does this fabric fray?

No, thanks to the boiled/felted construction, the edges remain stable and do not fray, which is great for raw-edge finishes.

Can I wash this fabric in the machine?

No, boiled wool should be dry cleaned only to prevent shrinking and damage to the natural wool fibers.

Is this fabric suitable for lining?

This is a heavy coating fabric; while it can be used for the exterior, it is usually paired with a lighter lining like silk or rayon for comfort.

What kind of projects is it best for?

It is perfect for unlined jackets, winter coats, capes, structured hats, and cosplay armor components.

How is the fabric sold?

It is sold by the metre and will be delivered as one continuous piece from the roll.

Troubleshooting

Stitches are skipping or looking uneven

Increase your needle size to 100/16 and ensure you are using a longer stitch length to penetrate the dense wool fibers.

Seams are becoming too bulky

Trim your seam allowances closely or grade them by cutting one side shorter than the other to distribute the bulk.

Machine is struggling to feed the fabric

Use a walking foot to help feed the multiple layers evenly and prevent the top layer from shifting during stitching.

Pros and Cons

Pros

  • Does not fray, reducing the need for extensive seam finishing
  • Provides superior warmth and natural insulation
  • Excellent for creating structured, professional-looking outerwear
  • Easy to manipulate and press during the sewing process

Cons

  • Heavyweight nature may be difficult for entry-level sewing machines
  • Limited stretch makes it unsuitable for form-fitting garments
  • Requires dry cleaning to maintain the integrity of the wool fibers

Setup, Compatibility & Care

When sewing this fabric, use a sharp, medium-weight universal or jeans needle (size 90/14 or 100/16) to ensure consistent stitch quality through the layers. Utilize a slightly longer stitch length (3.0mm to 3.5mm) to accommodate the fabric's thickness.

Because boiled wool is prone to shrinking if agitated in water, it must be dry cleaned. If you need to pre-treat, some sewists opt for a gentle steam press with a pressing cloth to stabilize the fabric before cutting. Avoid heavy ironing with high heat directly on the surface to prevent crushing the felted texture; always use a pressing cloth and a "wool" or steam setting.

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