Mulago1

Mulago Radiation Bunker – Uganda Cancer Institute

Mulago

The slabs ranged from 400 mm to 2.4 m thickness by design but due to developments of cracks began to leak. Through our local distributors, six pails of Xypex Patch’n Plug were used to treat all joints and cracks with 30 pails of Xypex Concentrate brush applied over the 740 m2 of roof slab to a rate of approximately 1.0 kg/m2. All the cracks were sealed, leakages on the slab stopped and the bunkers waterproofed against water ingress.

Xypex is unique. The crystalline nature of the Xypex waterproofing system provides many application advantages over traditional barrier products.
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Xypex is Different

The crystalline nature of the Xypex waterproofing system provides many application advantages over traditional barrier products.

  • Xypex does not require a dry surface; in fact, a wet surface is necessary.
  • Xypex does not require dry weather to be applied.
  • Xypex does not require costly surface priming or leveling prior to application.
  • It cannot puncture, tear, or come apart at the seams.
  • It does not require protection during backfilling or during placement of steel, wire mesh or other materials.
  • It can be applied on either side of a concrete surface – the negative or the positive (water pressure) side.
  • Xypex does not require sealing, lapping and finishing of seams at corners, edges or between membranes.
  • It is less costly to apply than most other methods.

Application Advantages

The Xypex crystalline system for concrete waterproofing is substantially different from traditional barrier products — like membranes and cementitious coatings.

Check these differences:

  • Xypex creates a crystalline structure deep within the pores and capillary tracts of the concrete mass to prevent the penetration of water and aggressive chemicals. In contrast, barrier-type products function only at the surface of the concrete.
  • Because Xypex is not dependent on surface adhesion to achieve its waterproofing effect, it is resistant to extreme hydrostatic pressure.
  • It will seal static hairline cracks up to 0.5 mm.
  • It is not subject to the deterioration problems en countered by membranes.
  • Xypex is permanent and reactivates whenever water is present.
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    Jonathan Tugume

    Tel: +256 772 630 834
    E-mail
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