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Decoupling Pad
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- 产品描述
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Product Introduction
Ceramic tiles and stone are durable, easy to maintain, hygienic, and ideal surface coverings. However, the current development of the ceramic industry has led to an increasing density, size, thickness, and water absorption rate of ceramic tiles. Especially with the rapid popularity of ceramic slabs and rock slabs, the installation of ceramic tiles in the industry is particularly challenging. In order to protect the integrity and durability of various components of ceramic tiles, it is necessary to use cushion materials with multiple functions.
Ceramic tile decoupling pad is a revolutionary, loose floor tile laying floating system that provides 100% decoupling. This floating system allows separation from the underlying substrate and can be used for crack suppression in most tile, ceramic slab, rock slab, or natural stone installations. The integration of decoupling, waterproofing, load distribution, and moisture management functions makes consistent results feasible.
The upper layer of the decoupling pad is made of HDPE high-strength plastic with concave convex patterns, which makes the decoupling pad waterproof, moisture-proof, and moisture management. The lower layer has a sacrificial layer of fiber-reinforced fabric. When exposed to excessive base movement, the sacrificial layer will detach from the upper plastic layer, absorb movement stress, and form a loose floating system, thereby maintaining the integrity and service life of the tile surface.
The decoupling pad adhesive layer has reinforced fiber-reinforced fabric, which can lock the tile adhesive mortar laid in the floor mat. The plastic layer with concave and convex patterns on top has a trapezoidal structure. Once the tile adhesive is dry, it will form a physical mortise and tenon structure, ensuring a sturdy and reliable installation.
Core Functionality
Decoupling and crack control: The decoupling pad provides decoupling through its open rib structure, which allows for in-plane movement. This in-plane movement effectively counteracts the differential motion stress between the substrate and the tile, thereby eliminating the main cause of tile surface cracking and delamination.
Waterproof: The decoupling pad provides reliable waterproof function. Its polyethylene composition can protect the substrate from moisture penetration, which is particularly important in most moisture sensitive building environments today.
Steam management: The significant feature of decoupling mats is that the bottom of the mat contains channels for free air circulation. The free air circulation channel provides a pathway for excessive moisture and steam to escape from the substrate, otherwise these moisture and steam will cause damage to the ceramic tile layer above. Therefore, decoupling pads effectively manage moisture under tile coverings.
Support/load distribution: The decoupling pad is equipped with cavities, which once filled with mortar, will form a columnar mortar structure. The load is transmitted from the ceramic tiles to the substrate through these columnar mortar structures. Due to the fact that decoupling pads are actually incompressible within tile components, the advantage of decoupling is achieved without sacrificing the ability to distribute point loads. Through extensive testing, it has been verified that the coupling pad has the ability to support and distribute heavy loads while maintaining the integrity of the tile surface.
Instructions For Use
Step 1: Cut the decoupling mat: Measure the laying area, then unfold the decoupling mat and cut it into the shape and size of that area. Simple tools such as scissors or art knives can be used to cut the decoupling pad into shape.
Step 2: Application of Adhesive: Check the base layer to ensure it meets the paving requirements, clean dust and various stains. Choose C2 improved tile adhesive that meets national standards (such as C2TE S1 grade). Usually, the required consistency for laying decoupling pads is slightly thinner than that for laying tiles, so that its consistency reaches the upper limit of the recommended water range by the supplier. Scrape a small area on the ground, lay a small piece of decoupling pad, rub and press it, tear off the decoupling pad, and check whether the white fluff of the decoupling pad is completely covered by the tile adhesive. Apply tile adhesive onto the substrate surface using a suitable notched trowel (e.g. 6x4.5 mm V-notch trowel) and comb it into strips. The coverage area of tile adhesive may vary due to factors such as mortar consistency, trowel angle, floor flatness, and substrate absorption. If it cannot be fully covered, a larger notch trowel (such as a 6x6x6 square notch trowel) may need to be used.
Step 3: Laying Decoupled Floor Mat: While the tile adhesive is still wet, lay the decoupling mat on top of the tile adhesive, with the blue side facing up, ensuring that the white fluff at the bottom is completely soaked in the tile adhesive. First, rub and press one corner of the pad, then tear off the decoupling pad to evaluate whether the thickness of the tile adhesive is appropriate. In one length direction, decoupling pads can be continuously laid until encountering walls or corners. It is recommended to leave a gap of about 3mm between the sheets and a gap of about 5mm at the intersection with the wall. Any expansion or control joints in the base must not be in the same position as the joints between adjacent sheets.
Step 4: Rub and press the decoupling pad: Use a pressure float, manual roller or electric kneading tool to apply pressure on the decoupling pad to ensure that the tile adhesive is correctly embedded under the decoupling pad. If necessary, place heavy objects at both ends of the decoupling pad until the tile adhesive is completely fixed.
Step 5: Tile laying: Once the decoupling pad is laid, there is no need to wait to lay the tiles. However, if there are cross operations and relatively chaotic situations on the construction site, to avoid damage to the decoupling pad, we recommend laying some cardboard or wooden boards on top of the decoupling pad for protection. Wait until the tile adhesive under the decoupling pad is completely solidified before laying the tiles. Before laying tiles, clean the dust and various stains above the decoupling pad. Choose C2 improved ceramic tile adhesive that meets the national standard (such as C2TE S1 grade), use the standard tile thin pasting method for tile tiling, and ensure that the tile adhesive is completely embedded in the cavity of the decoupling pad when applying the adhesive randomly to form a complete trapezoidal mortar column.
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