Can Schluter-DITRA be used as a sound control membrane?

DITRA isn't a sound barrier but offers some sound attenuation. On a 6" concrete slab, it raised the IIC rating from 28 to 38, which doesn't meet typical codes. Additional sound measures, like underlayment and sound-rated ceilings, are required.

Is it required to waterproof Schluter-DITRA and Schluter-DITRA-XL?

Waterproofing isn't required but prevents damage to moisture-sensitive materials. DITRA and DITRA-XL are easy to waterproof by sealing seams and connections with KERDI-BAND and thin-set mortar.

Can I use self-leveling compounds over Schluter-DITRA or Schluter-DITRA-XL?

DITRA and DITRA-XL were designed and tested for thin-bed ceramic tile and natural stone applications. Any leveling of the subfloor must be done prior to the installation of the membrane.

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Schluter Ditra 1/8 Underlayment 54sqft by Schluter Systems

Product ID: 75052647

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Details

Brand
Schluter
Material
Ceramic Stone
Size
Measures 3-ft
Colour
Other
Finish type
Uncoupling
Style
Modern

📏3.5mm ultra-thin profile

🛡️Waterproof & uncoupling membrane

🚶‍♂️54 sq ft coverage for heavy traffic

Description

🛠️ Elevate your floors with the ultimate tile defense membrane!

MOISTURE MASTERY - Advanced vapor management lets excess moisture escape, safeguarding your floors.
SLEEK LOW PROFILE - Only 1/8 inch thick to minimize floor height transitions and maintain sleek interiors.
LOAD BEARING EXCELLENCE - Column-like mortar grid ensures even load distribution, perfect for high-traffic zones.
SEAMLESS TILE PROTECTION - Revolutionary polyethylene membrane absorbs movement to prevent cracks and grout damage.
TRUSTED INDUSTRY PIONEER - Crafted by Schluter Systems, a 40+ year leader in innovative tile waterproofing solutions.

The Schluter Ditra 1/8 Underlayment is a 3.5mm thick polyethylene uncoupling and waterproofing membrane designed for ceramic and stone tile installations. Covering 54 square feet per roll, it prevents tile cracking by absorbing substrate movement, manages moisture vapor, and distributes loads evenly, making it ideal for both dry and wet interior areas with heavy foot traffic. Engineered by Schluter Systems, a trusted innovator with over 40 years of expertise.

Specifications

Manufacturer	Schluter Systems
Part Number	DITRA5M
Item model number	Ditra54
Size	Measures 3-ft 3-in x 16-ft 5-in
Colour	Other
Style	Modern
Finish	Uncoupling Membrane
Material	Ceramic, Stone
Pattern	Geometric
Shape	Rectangular
Thickness	3.5 Millimetres
Installation method	Thin-Set Mortar
Item Package Quantity	1
Coverage	54 square feet
Special Features	Lightweight
Batteries included?	No
Batteries Required?	No
Item Weight	3.08 kg