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​​​​​​​​​​​​​​Pre​​​​​​​​​​prufe® - For DesignersRequest a​ Free​ ​Project Appra​isal​​​

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​GCP's Preprufe® waterproofing systems allow architects and engineers to innovate and make the best use of underground space whether for commercial, business, residential, leisure or other activity. Long proven in climates around the world, Preprufe® waterproofing systems are available with expert technical support from the planning stage of your project right through to onsite installation.

Preprufe® waterproofing systems are designed for high performance to protect underground slabs and blind side applications. Our standards meet or exceed construction standards across the globe. Installation is safe, fast and easy for contractors and applicators avoiding costly project delays. 

Preprufe® Plus waterproofing membrane, with unique ZipLap™technology, is GCP's newest below ground waterproofing system. The durable and conforming membrane tightly seals highly complex slab and blind side details even in the harshest climates and most challenging site conditions. Robust adhesive Ziplap™ layers aggressively protect seams from more than 70m water pressure*. The non-absorbent membrane is easy to use with only two operatives, resists contamination, withstands up to 8 weeks of UV exposure onsite, and is immediately trafficable after application allowing rebar to be installed the same day.

Industry leading architects and engineers use Preprufe® waterproofing solutions worldwide for big and small projects including hotels, museums, hospitals, airports, railways, libraries, underpasses, car parks, tunnels, government buildings, industrial plants, stadiums, shopping malls and residential buildings (include images of iconic big/small projects).

​*ASTM D5385-modified test​​

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Adcor® 500Thttps://gcpat.com/construction/en-gb/waterproofing/Adcor-500TAdcor® 500TA malleable, swellable polymer/butyl rubber waterstop strip that expands in contact with saline and brackish water.
Adcor® 550MIhttps://gcpat.com/construction/en-gb/waterproofing/Adcor-550MIAdcor® 550MIAdcor® 550MI is a unique passive and active waterstop system designed for the secure sealing of concrete construction
Adcor® 550T-MIhttps://gcpat.com/construction/en-gb/waterproofing/Adcor-550T-MIAdcor® 550T-MIPre-applied post-injectable hydrophilic waterstop for saline and brackish water ground condition. Adcor® 550 T-MI is a
Adcor® SAShttps://gcpat.com/construction/en-gb/waterproofing/Adcor-SASAdcor® SASAdcor® SAS 500S is an hydro-expansive waterstop that provides a continuous bond to substrates, preventing water entry through joints in concrete sub-structures.
Bituthene® LMhttps://gcpat.com/construction/en-gb/waterproofing/Bituthene-LMBituthene® LMBituthene® LM is designed to complement GCP sheet systems where liquid applied waterproofing is necessary to ensure watertight continuity.
Hydroduct® 200https://gcpat.com/construction/en-gb/waterproofing/Hydroduct-200Hydroduct® 200Hydroduct 200 Drainage Composite consists of a nominal 10 mm (0.375 in.) thick drainage core and a high performance
Hydroduct® 220https://gcpat.com/construction/en-gb/waterproofing/Hydroduct-220Hydroduct® 220Hydroduct 220 Drainage Composite consists of a 10 mm (0.375 in.) thick drainage core, a high performance geotextile and
Hydroduct® 401https://gcpat.com/construction/en-gb/waterproofing/Hydroduct-401Hydroduct® 401Hydroduct® 401 and 501 are composite drainage sheets for all types of green roofs and are recommended for use, in
Hydroduct® 501https://gcpat.com/construction/en-gb/waterproofing/Hydroduct-501Hydroduct® 501Hydroduct® 401 and 501 are composite drainage sheets for all types of green roofs and are recommended for use, in
Hydroduct® 650https://gcpat.com/construction/en-gb/waterproofing/Hydroduct-650Hydroduct® 650Hydroduct 660 Drainage Composite consists of a nominal 10 mm (0.375 in.) thick drainage core and high performance geotextile
Hydroduct® Coilhttps://gcpat.com/construction/en-gb/waterproofing/Hydroduct-CoilHydroduct® CoilHydroduct Coil is installed at the bottom of the basement walls and linked to the Hydroduct sheet and ensures water is drained away from the basement structure.
Preprufe® 160R Plus/300R Plushttps://gcpat.com/construction/en-gb/waterproofing/Preprufe-160RPlus300R-PlusPreprufe® 160R Plus/300R PlusNew generation Preprufe® membranes with unique Preprufe® ZipLap™ for fast and secure applications in all seasons and climates.
Preprufe® 800 PAhttps://gcpat.com/construction/en-gb/waterproofing/Preprufe-800-PAPreprufe® 800 PAPreprufe® 800PA is a cold-applied, self-adhesive waterproofing membrane, composed of a reinforced cross laminated HDPE
Protection 03https://gcpat.com/construction/en-gb/waterproofing/Protection-03Protection 03Robust bitumen protection boards for protecting GCP waterproof membranes from damage during construction activity
Silcor® 900HAhttps://gcpat.com/construction/en-gb/waterproofing/Silcor-900HASilcor® 900HAFast-cure, hand-applied liquid waterproofing membrane for decks, terraces, walkways, roofs. Silcor® 900HA is two
Silcor® 900MPhttps://gcpat.com/construction/en-gb/waterproofing/Silcor-900MPSilcor® 900MPRapid-set, spray-applied, liquid waterproofing membrane for decks, terraces, walkways, roofs. Silcor 900MP is a premium