Blueline vs HD Blue Scrim: What’s the Difference and Which One Do You Need?

HD Blue Scrim: Built for the toughest jobs

If you’re tackling high-stress, high-moisture environments — think wetrooms, cement boards, magnesium oxide panels, or Smartply — HD Blue Scrim is your go to solution for complete reinforcement.

Key Features:

• Application Areas: Cement boards, concrete boards, Magply, magnesium oxide boards, Smartply, Dukka board and AQUA panels.
• Material: Heavy-duty fibreglass mesh with ALKAMAXX coating
• Waterproof: Yes – 100% waterproof
• Adhesion: High tack with more surface adhesive area – perfect for rough surfaces
• Tensile Strength: 120N/50mm
• Other Perks: Bonds exceptionally well to rougher surfaces, resists cracking, fully alkali-resistant

Whether you’re reinforcing walls, floors, ceilings, or joints in a demanding setting, HD Blue Scrim brings serious strength and long-term durability. It’s built for wet environments and tough materials where traditional scrims might fall short.

Blueline Scrim: The Reliable Choice for Plasterboard Applications

When working with plasterboards — especially in areas where moisture resistance is needed but not full waterproofing — Blueline Scrim delivers clean, consistent quality performance.

Key Features:

• Application Areas: Standard and moisture-resistant plasterboards
• Material: Finer yet heavy duty mesh with improved moisture-resistant coating
• Waterproof: No – Moisture resistant, not waterproof
• Adhesion: High-strength adhesive ideal for smooth surfaces
• Tensile Strength: 48N/50mm
• Other Perks: Designed specifically for internal use with plasterboard, preventing cracks and reinforcing joints

Blueline Scrim is ideal for interior jobs where full waterproofing isn’t required — think kitchens, bathrooms, or standard partition walls.

At a Glance: Blueline vs HD Blue Scrim

Which One Should You Choose?

Go with HD Blue Scrim if you’re working with cement boards, wetrooms, or demanding surfaces that need long-term waterproof performance and extreme durability.

Choose Blueline Scrim for standard or moisture-resistant plasterboard jobs where a clean finish and solid reinforcement are needed — but not waterproofing.

Still not sure?

Whether you’re a seasoned pro or just planning your next job, choosing the right scrim could make all the difference in longevity, performance, and overall finish.

Still unsure which scrim is best for your next project? We’ve got you covered.

Request a free sample pack today and put them to the test on-site.