Over 30 years

Experience Worldwide

Preventative and remedial waterproofing for theconstruction industry

Soil Stabilisation / Structural Resins

To prevent is better than to cure

Easy to apply products are thecore of our thinking.

Traditional PVC or rubber waterstops can be labour intensive and still proof to be inadequate forthe job at hand. A good alterative is an injection tube, which is easily installed onto new or oldconcrete. Once the concrete has set, a waterproof resin is pumped through the injection tube tocompletely fill the joint interface. Concrete penetrations and precast joints are troublesome details. These are easily tackled withexpanding gaskets like hydrophilic rubber strips and mastics. Chemically resistant and flexible,these products are the obvious choice for a variety of construction joints.De Neef also offers a post-injectable hydrophilic rubber strip for increased insurance against leaks.

Construction and Expansion Joints

Even difficult applications canbe treated successfully with preven-tative products

Avoid problems and delays at a later stage by incorporating De Neefpreventative waterproofing products at the early stages of construction.

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In hard applications, our products will give you the assuranceyou need.

Incorporating preventative products in the design stage will avoid a lot ofproblems. Remember: To prevent is better than to cure.

Traditional waterstop profiles cannot prevent hazardouschemicals from seeping into joint interfaces. Injection with asuitable resin allows voids to be completely filled withchemically resistant resins, thus barring contaminants fromentry.Surfaces can also be protected with a 1-componentpolyurethane spray coating.

Chemicals Containment

Structures can be subject to water infiltration because of theporosity of the concrete or masonry.De Neef has introduced a new range of hi-tech, highperformance cementitious coatings for surface sealing, evenunder negative pressure.The products are easy-to-use and can be applied by brush,trowel or spray equipment.

Concrete Surfaces

On the forefront of innovation

Remedial Underground Waterproofing

Above or below ground, concrete or masonry, our products waterproof any structure.

Easy to apply products are the key tosuccessful waterproofing.

Our 1-component resins allow you toquickly waterproof joints or cracks.

Create a permanent waterbarrier for sub gradestructures, with De Neef’scomplete line of HydroActive Grouts andaccessories. De Neef offersa variety of solutions,which professionals need,to ensure they have theright product for theirproblems such as seriouswater infiltrations inunderground structures,which therefore cannot beused to their full potentialbecause of the presence ofwater.

Civil & Structural Projects

Simple solutions require simple equipment and top-notchproducts to be effective. De Neefresins will never let you down.

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Hi-tech applications require hi-tech products

Hard to cure problems can be solved.With our products, you will be

one step ahead of the solution.

In-line grouting is a non-disruptive and cost effectivesanitary sewer rehab option. In pipes, which are not man-accessible, the technique utilizes inflatable mainline packersto force an acrylate or polyurethane grout into the soilsurrounding the leaking pipes. De Neef has potable waterapproved grouts, which used with a no-dig method, dealwith infiltrations and exfiltrations.

Municipal & Waste Water

Mines and tunnels often have problems with ground waterseepage. Preventing water intrusion from mine shafts,tunnels or deep excavations, frees up labour and equipmentfor more productive tasks. De Neef’s large selection of zeroVOC, non-flammable and environmentally safe acrylate andpolyurethane grouts are ideal for underground use even inconfined space environments.

Ground Water Mitigation

The leader in solutions

Soil stabilization = Site improvements

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Difficult applications do notscare us: We will commit our know-how.

Knowledge of the latest techniquesand equipment mean we can support and help you to the fullest.

Before construction can start, the foundation has to be sound.

Our products for soil stabilisation willhelp you reach your goals.

Settling of existing structures due to poor fill materialsand inadequate soil compacting can be stopped withhigh strength polyurethanes and cements. De Neefchemists have engineered several unique materials andapplication systems for permanent soil solidificationand stabilisation.

Underpinning and mini-piles

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Guaranteed results: Our extensiveunderstanding of the problems youface, means we can offer a tailor

made solution.

Solving problems is our trademark.

Soil stabilisation stops contaminated waterleaching from a polluted landfill or enteringinto an excavation. Even extreme water flow,through granular strata, can be controlledwith proper method and material selection.Safely solve geotechnical problems with DeNeef acrylates and polyurethanes even incombination with micro-fine cements.Large voids or cavities can be filled andstabilised with organomineral resins, resultingin a monolithic structure.

Diaphragm and Cut-off walls

Conventional cement tie-back groutingpresents many difficulties in highgroundwater conditions. Problems like groutwashout and low tensile strength are non-existent with De Neef Hydro Active Grouts.Accelerated polyurethanes can develop designstrength in minutes, with little washout, dueto their foaming reaction.

Tie-back anchors

We care for the environment

Concrete repair

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Marine applications can giveengineers serious headaches. We have developed the products tosuit these difficult applications.

Structural cracks can berepaired by pressure injec-tion with high strengthepoxies. De Neef hassuccessfully injected con-crete, masonry, stone andeven wood beams. For dry,moist or wet conditions,we have the appropriateproduct.

Crack injection

Underwater repairs require special attention to detaildue to mounting costs, personnel risks and problematicsites. De Neef provides a full line of proven underwaterepoxies and grouts to service marine projects fromnuclear reactors to seawalls.

Marine and Underwater repairs

User friendly products are thekey to well executed repairs

Even under the harshest conditions, our products will allow you to repair concrete or masonry structures.

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Consulting our clients is aprime resource we offer.

The biggest fear for every plant manager is spills and leaks. Our chemical resistant coatings will prevent the chemicals from contaminating the soil.

Protective floor coatings willreduce maintenance and increasethe structures life expectancy.

Safeguarding concrete elements from chemical attack is afundamental maintenance concern. Hazardous spillcontainment issues trouble every industrial plant engineertoday. This can be done by injecting or impregnating theconcrete with epoxy resins or by casting one of our broadselection of flooring products. De Neef can evaluate andselect the right product to protect your valuable structure.

Chemical Resistant coatings

Construction site conditions can prove hard to control.When pouring concrete there is no guarantee that the endresult will match the specifications set beforehand. Apartfrom epoxy resins or grouts, we can provide you with alarge selection of cementitious, hydraulic products forrepairing or upgrading defective concrete

Cementitious Coatings

Always near you

Knowledge / Products / Assurance

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Continuous training is important to our customers. De Neef organizes regular seminarsto keep our clients informed.

Our commitment to R&Denables De Neef to be at the cuttingedge of technology.

Our custom solutions arebased on our extensiveknow-how.With more than 30 yearsexperience in the field, ourspecialists have build up theexpertise necessary to offeryou the best advice startingat the drawing board up.Our extensive reference listis ample proof of this.Our comprehensive know-ledge, both in applicationtechniques and equipmentas well as in the correctchoice of products, results intime saving solutions toyour problems.

After all, TIME IS MONEY

Knowledge, the base of our proficiency

We commit ourselves to deliver products of the highest quality. Continuous quality control of raw materials and finished products makes us say:”You will be satisfied”.

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At De Neef, we have the necessary production capacity to enable us to makewhat you want, when you want it.

Continued investment in Research & Development is theessential element of the De Neef mission statement.Attention to detail and innovation results into durable anddependable products.We can show a large number of test results and certificates fromaround the globe, (ICRI, DIN, NSF WRAS, DWI,).

Products, the key to

your content

De Neef’s unmatched commitment to quality, safety and theenvironment has resulted in a portfolio of “state of the art”products, manufactured under the ISO – label. Service hasalways been a De Neef hallmark. The worldwide team ofhighly motivated professionals are ready to tackle yourconstruction challenges. De Neef stands for the kind ofservice you expect and deserve.

At De Neef, we are confident that with its high quality,environmentally safe products and its unparalleled servicehistory, we can be one of your key suppliers.

Quality + Service = ASSURANCE

Solving YOUR problem is OUR challenge

Even large volumes do notfrighten us from committing to yourcause.

Up to date plant equipment assuresquality and availability of our products

Service is the key to customer satisfaction. Our large team of specialised technicians willhelp you solve your problems.

De Neef ConchemIndustriepark 8

B – 2220 Heist-op-den-BergBelgium

Tel + 32 (0)15 27 93 60Fax + 32 (0)15 24 80 72

De Neef TechnologiesPol.Ind. El PedregarC/ Progés, nave 9E- 8160 MontmelóSpainTel. + 34 93 544 45 54Fax + 34 93 572 39 29

De Neef (CH) AGLangwiesstrasse 118360 WallenwilSwitzerlandTel. + 41 (0)71 971 46 56Fax + 41 (0)71 971 46 56

De Neef Far East1, Lok Yang Way – Unit 8B,Jurong TownSingapore 628 623SingaporeTel. + (65) 62651009Fax + (65) 62682636

De Neef ShanghaiUnit C60-C66, 11th Fl.Shanghai Mart2299 Yanan Road West200336 ShanghaiChinaTel. + 86-21 62360700Fax + 86-21 62360706

De Neef FranceZ.I. du Vert Galant84 – 86 Av. du ChateauF – 95310 Saint Ouen L’AumôneFranceTel. + 33 (0)1 30 3756 00Fax + 33 (0)1 30 3756 01

De Neef Middle East7, Mahmoud Khairy St Nasr CityCairoEgyptTel. + 202 261 58 25Fax + 202 401 89 02

De Neef ConstructionChemicals (U.S.A.)18314 Mathis RoadWallerTexas 77484USATel. + 1 936 372 9185Fax + 1 936 372 9897

De Neef UK Ltd.Trading as Tam-DeNeefFox BarnBanbury RoadMoreton PinkneyNorthantsNN11 3SQ EnglandTel. + 44 (0)1295 760992/3Fax + 44 (0)1295 760998

De Neef ChinaUnit 1507, New CommerceCentre 19On Sum StreetHong KongChinaTel. + 852 2646 8002Fax + 852 2637 7351

De Neef ScandinaviaLangavallsgaten 15S-42 457 GunnilseSwedenTel. + 46 313 30 05 90Fax + 46 313 30 80 41