Dural Durabase CI+ Matting

Dural Durabase CI++ Decoupling & Waterproofing Matting

Dural DURABASE CI+ matting, referred to in other EU countries as CI++, is designed to alleviate stress caused by lateral movement within substrates normally viewed as unstable. These include green screeds where shrinkage is still occurring, fresh power floated concrete floors, and timber based substrate (chipboard, floorboards, particleboard, MDF, metal surfaces, and asphalt). Normally, applying a rigid floor covering to such surfaces would be a difficult task because the lateral movement of such surfaces would cause tiles to de-bond or crack. However, with Dural DURABASE CI+ matting this problem can be fixed and satisfactory results are attainable.

DURABASE CI+ matting, in conjunction with tiles, serves to decouple the tiles and bridge any cracks. Due to the structure of the matting, channels are created which act to equalise water vapour pressure. This allows water vapour pressure to be compensated for if there is any residual moisture present. The DURABASE CI+ matting also decouples the flooring from the foundations. Any small cracks can also be bridged so that they do no affect the tiling - making it ideal for renovation work.

Dural DURABASE CI+ mats are made from yellow polythene with a grid of texturing nodules and a supporting polypropylene fleece layer on the back. The combination ensures that the matting is resistant to most chemicals (i.e. salts, acids, alkalis, solvents, and oils), although when the location is seriously at risk from chemical it is recommended that a professional assessment be made before the use of the mats.

Note: Dural DURABASE CI+ is suitable for use will all underfloor heating systems.

Dural DURABASE CI+ Can Solve the Following Problems

  1. Cracks in the subfloor. When renovating older surfaces, cracks can be present in the subfloor. This makes it impossible to safely install a watertight new tiled surface.
  2. Stresses in the subfloor. In the subfloor beneath the flooring, it is possible for tensions to appear in materials. This depends on the design and the kind of material. These tensions can then be transferred to the tiling and cause cracks to appear. Take concrete, for instance, even after six months or years of expansion and contractions, deformation can occur. Cement and hot screed surfaces can change after tiles have been laid. Chipboard and plywood can deform considerably due to absorption of moisture.
  3. Damp from the subfloor. When laying tiles on top of anhydrite screed, residual moisture from the screed itself can collect under the tiles and cause damage to the adhesive layer.

Dural DURABASE CI+ with Underfloor Heating Systems

The increased stress within the installation caused by thermal movement can cause problems to the installer. Separation, or isolation, membranes are ideal for removing shear stress from tile installation. By absorbing this stress, the membrane allows the tiled surface to remain intact. The air spaces under the membrane provide two benefits:

  1. They allow residual moisture to gradually escape; therefore, this prevents cracks from forming in the substrate.
  2. They allow the heat to be spread evenly across the floor surface. This makes the heating action more general and more effective.

Dural Durabase CI+ Matting

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Dural Durabase CI+ Matting

Item #: DRCIMAT1

Sq M

1+: £7.58 inc. VAT

£6.32 ex. VAT

30+: £6.46 inc. VAT

£5.38 ex. VAT

60+: £6.38 inc. VAT

£5.32 ex. VAT

per sq metre

Minimum Order Quantity: 1

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