Description

Mapei Ultracolor Plus Grout for Stained Glass Mosaic Projects – BLACK

Name: Mapai Ultracolor Plus Grout
SKU: 10684
Availability: InStock

Achieve a professional, long-lasting finish with Mapei Ultracolor Plus Grout, a premium fast-setting grout that’s ideal for stained glass mosaic art, decorative panels, mirror mosaics, and mixed media mosaic projects.

Specially formulated for vibrant colour consistency and reduced efflorescence, Ultracolor Plus enhances the beauty of your glass tesserae while creating durable, water-resistant joints. Its smooth application and quick drying time make it a favourite among mosaic artists, whether you’re creating indoor wall art, garden mosaics, tabletops, or functional pieces.

Why Mosaic Artists Choose Mapei Ultracolor Plus

Perfect for stained glass and vitreous glass mosaics
Rich, fade-resistant
Fast-setting formula reduces waiting time
Water-repellent with mould-resistant BioBlock® technology
Crack-resistant for a durable, professional finish
Suitable for both indoor and outdoor mosaic artwork
Ideal for joints from 2 mm to 20 mm wide

Available in black

Whether you’re an experienced mosaic artist or just beginning your stained glass mosaic journey, Mapei Ultracolor Plus provides the quality and reliability needed to complete your artwork with confidence.

Additional information

Weight	N/A
Colour	Black, Grey, White
Weight	200g, 500g, 1kg, 2kg

Shipping

Shipping Policy – Glass Workshop (UK)

We aim to deliver your beautiful glass pieces quickly and safely across the UK. Please review our shipping policy below.

Standard Shipping

Flat Rate: £4.95
Delivery Time: 2–4 working days after dispatch
All orders are dispatched within 1–2 working days unless otherwise stated.

Free Shipping

Orders over £50 qualify for FREE UK delivery
Discount is automatically applied at checkout—no code required.

Additional Information

We currently ship within the United Kingdom only.
You'll receive a confirmation email once your order has been dispatched, along with tracking information (if applicable).
Please ensure your shipping details are correct at checkout, as we are not responsible for delays caused by incorrect addresses.

If you have any questions or special shipping requests, feel free to contact us.

Returns

Returns Policy Last updated: 1st June 2026

Returns & Damages in Transit Policy

Return transport is at the customers expense. Refunds and/or credit notes will be issued for merchandise returned in saleable condition and in unopened, original packaging within 30 days. We cannot accept returns for refunds, exchanges or gift vouchers without proof of purchase. All goods are inspected prior to shipping; damage in transit is the responsibility of the carrier. If you notice damage to the packaging, either refuse delivery or note this on the delivery receipt, save all packaging materials and damaged products. Contact us immediately and we will file a claim on your behalf and replace or issue a credit note for damaged goods. For returns by post the sender is liable for the postage charges and the risk of damage to the goods, for which no refund will be given if they are received broken or damaged or unsaleable.

Please unpack your order upon reciept and inform us of any issues within 2 working days. Claims for damaged or missing goods must be notified within 24 hours of delivery. We will not accept liability for goods claimed for after this period.
Should you wish to return an order which qualified for free delivery, we reserve the right to deduct the delivery and any returns cost incurred by us from any refund given. If goods are returned by refusing delivery we reserve the right to deduct returns costs incurred by us from any refund given, unless the goods are damaged upon arrival.

Contact Us
If you have any questions about this Returns Policy, You can contact us