Packaging: Keraquick S1 grey and white is available in 20 kg, 10 kg paper bags and 5 kg. Available in either 14 kg or 6 kg tubs. 21 – £ 227. 2Ea,Eb), other membranes used in decoupled batteries are the double-membranes configuration (AEMǁCEM, where ǁ represents a double membrane) 12,29. The UFH manufacturer says the membrane is optional,. 80 /m² ex. ecoupling membrane for use with tile and stone fioors Freephone 0800 731 17 or 01404 54050 Online u-eat . They used the cheapest thinset there is, Custom's non-modified. SUBSCRIBE Learn how tile the right wayMapegard UM is an uncoupling membrane, that can be used to waterproof a floor by applying Mapeguard ST sealing tape at. £5. Decoupling membrane designed to absorb movement from the substrate & protect the tiled surface Completely waterproof & provides equalisation of vapour pressure Crack bridging ability up to 1. May also be used as a wearing surface in lightly trafficked areas. DECOUPLING MAT 2. 10 Inc. wedi Subliner Flex decoupling membrane. Benefits. 56 Inc. Est. £1. Crack Isolation Membrane: Crack isolation membranes (ANSI 118. Open 7 days a week. Wickes Polycarbonate Roofing Sheet is a great roofing product that is transparent, lightweight and easy to install. £4. ft. . DITRA Matting can be used on a wide range of surfaces, including: concrete, mortar screeds, gypsum based screeds, radiant heated screeds and masonry/mixed substrates. 2 in. It is designed for tile installation projects on both commercial and residential properties. Work the band into the mortar with a float or the trowel’s flat side while the mortar is still workable. Really nice thick decoupling membrane. I highly recommend reading the Schluter Ditra primer on uncoupling membranes to understand their purpose and then reading the Ditra Installation Handbook to understand requirements/process for using Ditra on different substrates. Retailer search. #5. From £3. 2 x 10m. Four interesting facts about Schluter Ditra Uncoupling Membrane. The invention relates to a decoupling membrane for two-chamber engine mounts with hydraulic damping, in particular for motor vehicles, consisting of an annular rubber body and a central, metallic circular disc as a damper mass, which are firmly bonded to one another and fastened in a liquid-tight manner in the upper area of the upper liquid chamber to. Our Decking Tiles are ideal for constructing a deck on flat concreted areas, and are profiled to match Wickes decking. meters or 108 sq. to stop unsightly weeds from growing in the cracks. Combustion of fossil fuels to meet energy demands is one of the major sources of CO 2 emission. It has a grid structure of square cavities, each cut back in a dovetail configuration and an anchoring fleece laminated to its underside. CO 2 is the most dominating anthropogenic greenhouse gas. Made from bonded plastic or textiles, this handy roll of material is laid underneath to prevent weeds from growing through. Reduces acoustics and impact sound by 25 decibels. Promise tile quality for the long haul with the Decoupling Mat. de ·. 4968) Durock™ Brand Uncoupling Mat is a lightweight, high performance crack isolation, waterproofing and vapor management underlayment membrane for use with porcelain, ceramic, and natural stone tile in both residential and commercial applications. (162 SQF. These anti-crack mats will also provide a 100% waterproof barrier. This electric underfloor heating system is perfect for floors finished with tile or stone. Protect A1 Roofing Underlay 15m x 1m (31617) (171) compare. 023 mΩ and improving performance by 5. ARDEX DS 60 Decoupling Mat. Decoupling membranes are laid between the tiles and the surface underneath and act as a buffer when the substrate moves. Wickes™. Mapeguard UM 35 is a waterproof uncoupling and anti-fracture membrane that allows moisture in the underlying layers to be released. Ap-ply pressure over the membrane with a plastic plaster-ing trowel avoiding air bubbles under the membrane. Mapei Mapeguard WP 200 Waterproofing. A damp proof membrane is primarily used on solid material floor constructions and it is designed to act as a waterproof barrier, preventing moisture from travelling into other layers of flooring. Get it tomorrow, 12 Apr. Place the pots in a way that allows them to easily reach the water reservoir (for example above it). Ultra Mat is used to absorb substrate movement to prevent surface cracks & the delamination of tile & stone. Mapei Mapetex helps prevent cracks appearing in the tiled finish when used over less than perfect substrates. Schluter®-DITRA membranes provide uncoupling through free space, which allows for in-plane movement that effectively neutralizes the differential movement stresses between the substrate and the tile, thus eliminating the major cause of cracking and delaminating of the tiled surface. You can compare the dimensions of Ditra to cement board using the chart below. The heat transfer performance of stone and ceramic tile floor finishes make them ideal for use with underfloor heating. 64. At 12mm, Tilesure offers greater decoupling properties than Tilesafe and thanks to butyl’s durability and improved temperature tolerances, the membrane can be installed simply and easily on-site at all. If you have ripped out the subfloor, you can cut packers/firings or blocks to bring the low spots up to create a level floor. YBS SuperQuilt Lite 32mm Multi-foil Insulation Roll - 1. 00. This membrane features an anchoring fleece on both sides to anchor it in thin-set mortar. Accessories. 41. Using/not using an uncoupling membrane or liquid applied membrane has no effect on the bonding issue. Application: Bathroom. membranes, allowing for the use of mosaic tiles 2" x 2" (5 x 5 cm) or smaller • • If sound control is desired, Mapesonic™ RM rubber underlayment can be used under the membrane • • Reduces weight of transporting material to jobsite (versus cement backer board) • • Makes work easier (and safer) by reducing lifting andAlinO DeCup Uncoupling Membrane solves one of the most significant causes of cracked ceramic tile or stone. We supply trade quality DIY and home improvement products at great low prices. Different setting options such as rapid, semi-rapid and standard set are available, as well as flexible or non-flexible. It’s 900x900x10 porcelain on a solid concrete floor. It measures 1 metre wide and is 0. Covers 150 sq. wedi Subliner Flex Decoupling Membrane serves to decouple and reduce tension between floor coverings made of ceramic tiles, panels and natural stones and the substrate in. Biggest sound insulation improvements can be. Quality assured since 1972. DECOUPLING MEMBRANE: - Thermopanel AFPROMAT is an uncoupling membrane specifically designed to allow the installation of ceramic and stone tile over any even and load-bearing substrate and underlayment for ceramic and stone tile. 15m². I did lay down cement backer board first, but that probably wasn’t necessary for a good installation, it. Suitable for use with cracked, damp and imperfectly cured substrates, when installing ceramic, porcelain and stone material on interior and external floors. TRITON Waterproof Backer Board is quick and simple to work with—it’s lightweight, requires no special tools, and can be cut using the “score and snap” method. uk. VAT. Mapeguard UM. £1. Nassboards – Decoupling Membrane for Newly Laid Floors 30m² / 10m² / 5m² – Anti-Crack, Waterproof and Sound-Proof Plastic Ply Decoupling Membrane – Quick & Easy Laying with Easy Spread Adhesive (10m²) More technology. Can be used over plywood, OSB, concrete, gypsum, heated floors,. 77 150 352. 40 per m 2 . 15/11/2023. It is equal to lead of the same mass in effectiveness and acts as a thin de-coupling sound barrier in stud walls, ceilings and timber floors. Jay. Usually, 16 inches is the perfect spacing, although you should check the product you’re using. £3. WATCH THE INSTALLATION VIDEO. Nearly all our range of tile adhesive. The design strategies for powertrain mounting systems play an important role in the reduction of vehicular vibration and noise. 5m. I'm told a decoupling membrane is going to help prevent cracking due to movement because of temperature changes. YBS SuperQuilt Trade Multifoil 40mm Insulation Roll - 1. MANUFACTURER LATICRETE Europe S. Description. Made from recycled materials. The Strata Mat is an uncoupling membrane made by Laticrete. Nov 1, 2019. 2-Coat System Allows Just 1hr Between Applications. you need to screw plywood down over the floor boards the thicker the better as this will take the bounce out the floor. Suitable for use with cracked, damp and imperfectly cured substrates, when installing ceramic, porcelain and stone material to interior and external floors. Waterproofing Decoupling Membrane Matting Uncoupling Mat - 5m, 10m & 30m2 Rolls. Decoupling / Anti-Crack Membrane. membrane width 1. (49 cm) oc wood framed floors. DITRA Matting is 1 metre wide and only 3mm thick and provides the thinnest. 97. Cell polarization is a process of coordinated cellular rearrangements that prepare the cell for migration. Rated at 22dB an only 1. 2 x 10m. The matting is available in rolls of 1m, 5m and 15m lengths. Ditra Matting: Pro Tiler Tools are one of the leading suppliers online of Materials, with excellent prices, large stocks and next day delivery available. Wide clover leaves allow more adhesive in contact with the base. Ditra is 1/8 inch thick or you can order Ditra XL in 1/4 inch thickness. 3 in. As I said, for the vast majority of domestic tiling projects it is completely unnecessary. Decoupling track as a carrier for ceramic coverings, stone coverings or similar coverings to be applied to a substructure, consisting of a plurality of interconnected layers, characterized in that the decoupling track (10) constructed from at least two layers (11, 12) consists of a layer to be applied to the substructure consists of a film-like lower layer (12) and a carrier. Schluter Ditra matting is a waterproof polyethene membrane that has been specifically designed for tile and stone installations in damp environments. Tile is installed over DITRA using the thin-bed method in such a. 600 Larder and Appliance Unit Assembly Components Important Information Ref. wedi Subliner Flex serves for decoupling and reducing tension between top layers of ceramic tiles, slabs, and natural stone and the substrate for interior applications only. View Product. Always read the instructions in full before attempting your own installation. Mapeguard UM 35 is the new decoupling waterproofing membrane from Mapei. View. 73. 3. Dural Durabase CI++ Decoupling Mat - 10 SQM (10m x 1m Roll) More from Durabase CI++ Decoupling Membrane. Kerakoll Green Pro Decoupling Matting is a highly innovative Kerakoll creation. In this case, the membrane is. Specifically designed for ceramic and stone tile installations, uncoupling membranes are a separation layer, creating a waterproof coating to protect the substrate and prevent moisture from infiltrating the surfaces below. ThermaWrap General Purpose Foil Wrap Insulation - 1000mm x 7m. Made from highly tear-resistant polyethylene film that ensures excellent adhesion of tile-setting compounds, thanks to its special fleece layer on each side. Item Quantity Ref. Application lay out the BOTAMENT DE Thin Decoupling Membrane cut to fit using a carpet knife or scissors apply adhesive onto the prepared substrate ( toothing: 4 or 6 mm for tile adhesive respectively B3 for parquet . An automated method of manufacturing a decoupling underlayment membrane is provided, the method retrieving a membrane sheet, thermoforming a set of cavities into a top surface of the membrane sheet and pressing a set. SikaCeram® Sealing Membrane W as a decoupling layer: Membrane application Lay SikaCeram® Sealing Membrane W onto a fresh lay-er of SikaCeram® S1 tile adhesive (classified according to EN 12004) applied with a 4 mm notched trowel. Wickes provide robust sealant in a variety of formats to suit all types of roof repair project. For high-quality and affordable Mouldings, shop at Wickes now. Ditra matting is intended to alleviate any lateral movement in the sub floor caused by its expansion and contraction over time being transferred to the tiled surface. If so, the membrane may not be needed. A highly rigid decoupling waterproof membrane that is resistant to rotting and is designed for tile and natural stone installations onto problematic substrates including standard floorboards, underfloor heating, gypsum floors, green screeds, metal surfaces, asphalt etc. Sort By. Besides the single-membrane configuration (Fig. 6. Find many great new & used options and get the best deals for Crack Isolation Waterproofing Floor Decoupling Membrane Mat Tiles Uncoupling at the best online prices at eBay! Free delivery for many products!. Wetrooms made easy. Decoupling – Ditra provides a decoupling action between the ceramic and the floor, so that if the floor moves, the tile, mastic and grout don’t have toCustom Building Products RedGard 13. Item Quantity Tools Required Find many great new & used options and get the best deals for Decoupling Membrane Matting 5m to 30m2 Anti Crack, Waterproof Roll, Plastic Ply at the best online prices at eBay! Free delivery for many products. Your tile floor will stay beautiful and crack-free for years to come. DESCRIPTION SIZE AND PACKAGING TECHNICAL DATA TRADEMARKS The trademarks USG, LSP, FIBEROCK, LEVELROCK, DUROCK, IT'S YOUR WORLD. The leading company in the building industry, with over 80 years of experience in adhesives, sealants & chemical products. 8A DE102017004002A DE102017004002A1 DE 102017004002 A1 DE102017004002 A1 DE 102017004002A1 DE 102017004002 A DE102017004002 A DE 102017004002A DE 1Tiling over a cracked concrete subfloor will inevitably result in transfer cracks and/or loose tiles. (36) £12. Nassboards 20mm Linear Wetroom Kit Complete System Waterproof Watertight Design. From £219. 00. Combustion of fossil fuels to meet energy demands is one of the major sources of CO 2 emission. Flexiblesealing and decoupling membrane for bridging cracks. The digestive tract has produced numerous organs this way during evolution (e. Crack bridging. Decoupling Membranes. Apply the membrane on the wet adhesive and press the membrane down into the adhesive using a plastic trowel, to acquire a strong bond. 78. Log in to see trade prices. With properly installed abutting joints and carefully sealed transitions to walls and structural elements, DITRA creates a certified bonded waterproofing assembly with the tile covering. 83 per M. 84 (inc VAT) Schluter DITRA Matting Decoupling MembraneDE102017004000A1 DE102017004000. 28 – £ 378. 3 3/8 inches) and vary in length. mechanics approach is the decoupling of the bending and the membrane rigidities in the constitutive law. 2M X 14M 1000G Black Heavy Duty Polythene Plastic Building Dust Rubble Sheet DIY. 12) for thin-bed ceramic,. Prevents tiles and grouts from cracking by absorbing stresses in subfloor. Wickes 13mm Galvanised Extra Large Clout Nails. Patent protected adhesive layer slides and stretches with expansion. Biggest sound insulation improvements can be achieved when it is used. Geotextile membranes are also known as geotextiles, or Terram –. £3. 40/Kg) Ditra Matting. 99. Multipurpose Screws. Ditra requires more mortar overall and you have to buy the manufacturer's special tape if. Arbiton Quick Fit Premium 3in1 Thermal Underlay - 10m2 Pack. Apply thin-layer mortar (recommended: wedi 320 Tile Adhesive) on the prepared underground with a 4 or 6-mm grooved trowel. £39. It offers a customisable UFH solution, with two membrane options to select from – Peel-and-Stick or Fleece-Backed – and a choice of heating cables for standard and low-wattage projects, Guide Price. 99. 41. Wickes Self Adhesive Foil Tape - 50mm x 45m. 99. Drybase 2mm Plaster Membrane Mesh (2m x 20m) - Low-Profile Plaster Membrane For Use on Damp Walls. 2 x 10m. Min. The Ardex B1 2mm V Notch Trowel is for use when laying decoupling membranes or other matting with Ardex AF200 Plus Adhesive, Mapei Ultrabond Eco VS90 Plus Adhesive or any other LVT or Vinyl Adhesive. Mapei Ultrabond Eco VS90 Plus is particularly suitable for fixing decoupling membranes, such as Schluter Ditra Matting and Dural. 3/4 of it is a new extension with wet UFH. Skip to content Skip to navigation menu. Product Description. Thread the wicks through the hole at the bottom of the net pot. It is used by applying the membrane between two applications of Mapei adhesive, in order to accommodate. The maximum spacing between fixings should be 300mm. Each cavity has dovetail configurations cut in the back and an anchoring fleece laminated to the underside of the membrane for enhanced adhesion. Embed USG Durock™ Waterproofing Membrane Band. Schluter®-DITRA membranes provide uncoupling through free space, which allows for in-plane movement that effectively neutralizes the differential movement stresses between the substrate and the tile, thus eliminating the major cause of cracking and delaminating of. 5 ). 4 out of 5 stars 88 Substrate matting protect tiles from damage when the substrate beneath them shifts. 15 0. The uncoupling layer, or forgiving shear interface, provides cavities of open space that allow for in-plane movement, which neutralizes the movement stresses between the building’s substrate and the tiled surface. 8 Therefore, novel cable-wound mechanism is a research hotspot recently. Uncoupling membranes absorb any substrate movement, and eliminate the transfer of that stress to the tile layer, which helps to. A method of manufacturing a decoupling underlayment membrane includes: retrieving a membrane. Technisches Datenblatt wedi Subliner Flex | decoupling membrane · 06-2016 Subject to technical changes. Description. wedi GmbH · Hollefeldstraße 51 · 48282 Emsdetten · Germany · Phone +49 2572 156-0 · Fax +49 2572 156-133 · info@wedi. Arbiton Fan-folded Sprint Laminate & Wood Underlay - 10. £51. It features excellent thermal insulation properties that. It can also be applied over challenging substrates such as installation over green (young) concrete and single ply 19. More than 300 stores nationwide. Adhesive layer contracts and self-heals if gap shrinks due to seasonal changes. Tile trims are edge coverings that create clean lines in your project, whilst protecting the edges of your tiles. Arbiton Easy Fit Laminate & Wood Flooring Underlay - 10m2 Pack. Thinset doesn’t adhere to Ditra: The waffles work like dovetails so when the thinset dries it’s stuck inside the cavity. 25m2 Pack. 32 – £ 509. Simply prepare substrate with modified thinset, set HeatMatrix by embedding the underside fleece into the thinset base,. Once installed, we recommend placing boards down to protect the matting against damage or loosening from the substrate, which can be caused by heavy mechanical loads. We currently have a three season porch (no insulation but walled and roofed) that sees the occasional water if the rain comes through the. £4. Description. 5m². When exposed to stresses from in-plane. Wickes 38mm Fine Thread Plasterboard Screws Black Phosphated - Pack of 1000. From £209. 99Inc Vat. Waterproofing and Crack Prevention Membrane is a ready to use waterproofing and crack prevention membrane for tile and stone installations. There is a sand and cement screed of about 90mm thick with ufh heating pipes set within. Retail Price. 3. ft. 0 out of 5 stars Made in China. The Mapei Mapeguard WP 200 Waterproofing Membrane is a waterproofing and anti-fracture membrane, made of soft polyethylene, for direct application under ceramics, natural stone tiles and LVT (Luxury Vynil Tiles). Usually, 16 inches is the perfect spacing, although you should check the product you’re using. USG. G 0 is the center of mass in static balance; the x-axis is parallel to the output axis of the integrated. Nassboards 30mm Nassboards Linear Wetroom Shower Tray & Aqua Kit. This method also uses a layer of metal lath. Decoupling Mat. Apply a layer bonding adhesive like Ardex AF200 to the level substrate using a 3x3mm or 4x4mm notched trowel. delivery date Est. Capital Valley Plastics Ltd Damp-Proof Membrane Black 1200ga 25m x 4m (47163) (55) compare. The fleeced back feels sturdy and should help adhesion to the mortar bed. The innovative, particularly flat 3-in-1 track Botament ATE Max is also a real all. Here is a brief look at their sales pitch…No, a decoupling membrane is not required for your situation. Installation: Lay out wedi Subliner Dry and Flex and cut to size with a cutter or scissors. 2mm thick, and is available in 30 metre and 5 metre rolls. Membrane technology has also been proven beneficial for low gas volumes and high CO 2 contents [8]. Ideal under tiles because the system protects the tiled flooring from cracks and gaps occurring caused by seasonal temperature changes. Easy to Apply. Rated IP68, ThermoSphere Membrane is ideal for bathrooms and wet rooms when combined with our tanking kit. Schluter DITRA membrane is particularly useful when installing underfloor heating and provides a decoupling layer between the underfloor heating and the tiles. ThermoSphere Membrane allows for different heating outputs. It’s minuscule amounts, but in no scenario would tile & grout be a “waterproof” situation on their own without a membrane underneath. Seal Beach, CA Technical Services 800-282-8786 custombuildingproducts. The invention relates to decoupling sheet (1), especially intended for use for a surface covering structure (2) that can be covered with covering elements, preferably tile coverings, with a carrier sheet (3) and a plurality of knobs (5) protruding from the carrier sheet plane (4), the carrier sheet (3) has a, preferably thermoplastic, plastic as material. FREE Delivery. Aquadry Wet room matting, (L)5m (W)1000mm - B&Q for all your home and garden supplies and advice on all the latest DIY trends Perfect for treating commercial or domestic wet rooms before tiling. Dural Durabase Matting is a multi functional decoupling matting system. Professional & DIY solution to creating a sealed area ready for tiling. It is also suitable for use with all electric under floor heating systems from 2-5mm. Eterno Ivica NM Fixed Head Adjustable Height Porcelain Paving Pedestals. The BOTAMENT® AE Sealing and Decoupling Membrane is simply cut with a pair of scissors or a Stanley knife. . Suitable for interior and exterior areas. The ability of the gauti uncoupling membrane to support and distribute heavy loads while preserving the integrity of the tiled surface has been verified through extensive ansi 108. Being completely impermeable to water, it is doubly useful. Discuss Decoupling membrane needed? in the Tiling on Underfloor Heating area at TilersForums. Weed membrane is a gardening essential. Choose from a wide range of tiling accessories, including tile trim, strips and tiling tools. Shop online or in-store to start laying your tiles with confidence. Report. High performance load bearing - 40 tonnes/m². 90 – £ 202. All these products are water-resistant and help to seal the surface against moisture. thick and is designed for ceramic and stone tile. No. 2-Coat System Allows Just 1hr Between Applications. It is a universal substrate for tile coverings, which serves as an uncoupling, crack bridging, waterproofing, vapour pressure equalization layer and is designed to be used as a carrying membrane for the Schluter DITRA HEAT E HK Heating Cable. This can be also used with electric underfloor. Thermopanel® decoupling membrane is made from polyethene membrane with a grid structure of square cavities, each cut back in a dovetail configuration, and an anchoring fleece laminated to the underside. Make a rough plan for the cement board sheet layout, based on the area to be covered and the size of the cement board sheets. This D. Likewise, stress cracks in the substrate. Easy to install and ready to receive tile immediately. Install over a wide range of substrates, including plywood/OSB, concrete, gypsum, heated floors, etc. Easy to Apply. Tarmac 10mm Gravel Pea Shingle - Jumbo Bag. Once your thinset is ready, its time to get your thinset in place! Use the margin trowel (the smaller one) to scoop thinset from the bucket. The serial decoupling approach introduced by Angell is a powerful way of evaluating, examining and interpreting the often strongly coupled contributions to the relaxation and diffusional. Log in to see trade prices. In addition to being an effective shower and tile backer board, our multiboard boasts longevity and durability especially as a decoupling membrane, which prevents grout and tiles from cracking due to horizontal moment in the floor. Beneficial, yes, required, no. 22 watching. wedi Vapor 85 Building Board is available in two thicknesses: 12. • For perfect sealing on corners use Mapei Mapeband 90° and 270° special corner pieces. Sort By: Eterno Ivica SE Self Levelling Adjustable Height Porcelain Paving Pedestals. Next Last. 3. Geotextile membranes are pieces of fabric that are inserted into the ground as a form of protective membrane. Also suitable for use as an anti-cracking product for tongue-and-groove hardwood floors on critical substrates. Ardex AF200 Plus Uncoupling Matting Adhesive has excellent grab and an exceptionally long tack time, with very good early and long term adhesive bond strength. The decoupling underlayment membrane includes: a set of mortar cavities; a set of through holes; and an adhesive layer coupled to an exterior surface of each mortar cavity in the set of cavities. Tarmac 20mm Derbyshire Grey Decorative Aggregate - Midi Bag. CO 2 is the most dominating anthropogenic greenhouse gas. The membrane is constructed of a highly durable. T Thin Pedestal Paving Support Pad. Full Description Specification Delivery & Returns. , non-photochemical quenching, photoinhibition) that can be studied by a classic biochemical and biophysical methods in cell suspension. It is designed for tile installation projects on both commercial and residential properties. Can be used with underfloor heating. DOLLAR A For this purpose, the decoupling membrane (18) and the bypass closure element (18a) form a common, one-piece component (18, 18a), the central part of the membrane (18a), which serves as a bypass compensation membrane. £. Ardex A46 is ideal for the rapid repair and refacing of concrete surfaces. It is made of polyethylene creating a waterproofing layer protecting the substrate. 7") x 5m (16')Possibly the most common type of decoupling in soft tissues is an invagination of a tissue and the subsequent development into a structure which is separate from the original structure. , the USG logo, the designA decoupling underlayment membrane includes: a set of starfish-shaped cavities arranged in a first repeating pattern and formed into a top surface of the membrane; a set of through holes arranged in a second repeating pattern; and a peel and stick adhesive layer coupled to a bottom surface of the membrane. VAT. Hence, allowing independent movement between the 2 surfaces and limiting the transmission of stresses. It is also available per linear metre, with each metre covering 1. Taking the hydraulic mount with inertia track and decoupling membrane as an example, when the excitation is low-frequency and large-amplitude vibration, the decoupling membrane will not work on the side of the upper and lower limit baffles. g. It is a thin decoupling mat that offers a strong mechanical bond with adhesive mortar. It only takes one tiny crack in the wrong spot to ruin a floor. Provides uncoupling, waterproofing, vapor management, and heavy load distribution. Fleece-backed model; Contact customer support at +1 (888) 927-6333; Return PolicyMapeguard UM 35 is the new decoupling waterproofing membrane from Mapei. This helps prevent cracking in the tile or other flooring surfaces caused by the expansion and contraction of the subfloor as it heats. 2. Once I've self levelled would I still need a de coupling membrane on top? I couldn't see any cracks, but there may well be some.