Cable & Membrane Overview
Product Name
Schluter Ditra Heat Cable & Membrane
Indoor Use Only
NO, need approval for outdoor
Online Estimator Tool
120V Sizes - designed at 12.7 w/sqft
11, 16, 21, 27, 32, 38, 43, 51, 64, 73, 83, 92, 102, 113, 134 (sqft)
240V Sizes - designed at 12.7 w/sqft
11, 16, 21, 27, 32, 38, 43, 53, 64, 75, 85, 103, 129, 145, 167, 183, 204, 225 (sqft)
Max Heat Output
15.2 watts/sqft
Cable Spacing w/membrane
12.7 w/sqft - 3 pillar
15.2 w/sqft - 3/2/3 alternate pillar
Cable Thickness
Unknown
Zero EMF
stated as “virtually zero EMF”
Waterproof Cable
No, extra waterproofing layer required
Cable Repair Kit Available
YES
Cable Must be Turned After 10’
YES
Cold Lead Length
7’
Cable Splice and Sensor Probe Fits without Cutting Membrane
NO
Membrane Roll Size
134.5 sqft
Membrane Sheet Size
8.4 sqft - 3’ 2-5/8” x 2’ 7-3/8”
Membrane Thickness
.25” - 5.5mm
Adjusted Floor Height
Cable w/membrane - 1/2”
Waterproof Membrane
YES
Self-Leveling Concrete over Membrane
NO
Modified Thin-set Approved Above and Below Membrane
Only Scluter thin-sets are approved over membrane to obtain the warranty
Minimum Tile Size Over Membrane
2”x2” over thin-set
UL Approved under Laminate
YES
UL Approved under Luxury Vinyl Tile
YES
UL Approved under Engineered Hardwood
YES
Membrane - Robinson Floor Test - OSB - 19.2” O.C - 12”x12” Porcelain
DITRA-HEAT - 5/5 - Extra Heavy
DITRA-HEAT-DUO - 2/5 - Light
Membrane - Robinson Floor Test - OSB - 24” O.C - 12”x12” Marble
DITRA-HEAT - 2/5 - Light
DITRA-HEAT-DUO - Unknown
Membrane - Robinson Floor Test - Concrete - 12”x12” Porcelain
DITRA-HEAT - 3/5 - Moderate
DITRA-HEAT-DUO - 2/5 - Light
Membrane - Robinson Floor Test - Concrete - 2”x2” Porcelain
DITRA-HEAT - 2/5 - Light
DITRA-HEAT-DUO - 1/5 - Residential
Membrane - Robinson Floor Test - Concrete - 12”x12” Marble
DITRA-HEAT - Unknown
DITRA-HEAT-DUO - 2/5 - Light
Membrane Approved for Sound Reduction
DITRA-HEAT - NO
DITRA-HEAT-DUO - YES
Is the Membrane a Thermal Break?
DITRA-HEAT - NO
DITRA-HEAT-DUO - YES, floor warmed 80% faster
NO
Cable Warranted in Other Membranes
Membrane Warranted with Other Cable
NO
Warranty in Effect After Repairs
NO
Cable Warranty
Membrane Warranty
helpful Videos
How to install DITRA-HEAT over Wood Strat to Finish
How to install DITRA-HEAT-DUO over Concrete Start to Finish
How to choose between DITRA-HEAT & DITRA-HEAT-DUO
How to install DITRA-HEAT electric floor warming in a shower
Tips on removing the memory from DITRA
Tips on Schluter®-DITRA-HEAT under Alternative Floor Coverings
How to Remove a Tile over DITRA-HEAT
Tips on calculating cable length for DITRA-HEAT