Dampcheck Plus 25L
Dampcheck Plus (25 L)

Dampcheck Plus (25 L)

£99.60

  • BBA approved – Silane modified
  • Low odour – Non-flammable
  • Electric pump or gravity feed
  • Ready for use (no mixing necessary)

 

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Dampcheck Plus (25 L)

Dampcheck Plus is a BBA-approved DPC fluid that is supplied ready for use. It is injected into holes drilled in masonry to form a damp proof course (DPC). Injection can be carried out using an electric pump or by using funnels (gravity feed method). Dampcheck Plus is non-flammable and is silane modified – allowing for faster injection times and more thorough treatment compared with standard DPC injection fluids. Because it is solvent-free, it does not cause a lingering “solvent odour.”

Dampcheck Plus has a multi-component formulation which means that it develops initial water-repellency quickly, but also allows further diffusion to form a more evenly distributed damp-proof course.

High Performance Damp-Proofing Fluid

Consideration should also be given to the use of Dryzone damp-proofing cream which can be installed more quickly than Dampcheck Plus and virtually eliminates the spillage and mess problems associated with the injection of DPC fluids.

Despite these advantages, Dampcheck Plus has now been largely superseded by Dryzone Damp-Proofing Cream which is faster to install and does not require an electric DPC pump.

As with all remedial damp-proofing systems, it will be necessary to remove and replace any salt-contaminated plaster. A 3:1 sand-cement render incorporating Renderguard Gold is usually used for this purpose. Where the use of a hard sand/cement render is not desirable, another option is to cover the wall using Oldroyd Xp Plaster Membrane. This allows a wider range of plasters to be used.

Additional information

Weight 25 kg
Dimensions 46 × 22 × 22 cm
Brand

Dampcheck

Application

Application For Dampcheck Plus

Preparation – Remove carpets and furnishings from the area to be treated. Paths, patios and glass surfaces must be protected from spillages. Remove timber skirting and save for re-fixing where possible. Remove all plasterwork to a minimum height of 1 metre or 500 mm above the highest evidence of damp/salt contamination.

Choose a line for the insertion of the damp proof course not less than 150 mm above the external ground level and as close to the internal floor level as possible. Holes should be

10 – 14 mm in diameter, depending on the size of the injector nozzles, and spaced at 120 mm to 150 mm centres. Drill either directly into the mortar or down through the brick at an angle of 25° – 45°, terminating in a mortar bed. The precise drilling method should be determined after a trial assessment of a short run of wall. For advice on injecting substrates other than brick walls, please consult the Safeguard guide, “Rising Damp and its Control”.

Application – Insert the injector nozzles into the wall and tighten to seal. Pump the Dampcheck Plus into the wall at a pressure between 10 and 80 psi. Longer injection times at lower pressures are safer and potentially provide more even distribution of the product through the wall. However, dense, impermeable substrates may require higher pressures. Injection times can be reduced by using a Rapiject DPC injection nozzle, available from Safeguard. Any spillages onto patios, paths etc. should be removed immediately using water and detergent.

Finishing – Plug the injection holes with a sand/cement mortar or plastic plugs. Leave wall unplastered for as long as possible to speed up the drying out process. In the case of solid floors we recommend a Drybase SBR, bitumen or epoxy upstand at the base of the wall to a height of 200 – 300 mm; this should be taken out across the floor to at least 50 mm.

Replastering – In order to complete the damp-proof course effectively, re- rendering must be carried out strictly in accordance with the Safeguard re-rendering specification see Dryzone Renderguard Gold datasheet.

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