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Liquid Applied Waterproofing Membranes -
Basement, Foundations & Retaining Walls

Waterproofing Method for Basements

Unlike other building components that might be designed to be replaced several times within the overall building lifetime, below grade systems need to be built to approximate the entire service life of a building.​

Basement Waterproofing Case Study

 View Video Below 

Findlay-Evans Waterproofing applying Liquid Rubber waterproofing membrane on a below ground retaining wall. 

For Quick Navigation Click Links Below 
Below Ground Tanking - Getting It Right
VIEW CASE STUDY VIDEO 
Best Practice for Below Grade Tanking 
Basement Tanking & Waterproofing 
Download FREE Below Ground Waterproofing Guide HERE
VIEW CASE STUDY VIDEO  
Liquid Waterproofing Membranes for Under Concrete Slabs
VIEW CASE STUDY VIDEO
Waterproofing Retaining Walls
VIEW CASE STUDY VIDEO
Protecting Your Membrane
How to Waterproof Basements
Below Ground Tanking Method
FREE PDF - Basement Waterproofing Guide
Findlay-Evans Waterproofing 
CONTACT US TODAY
Findlay-Evans Recent Projects 
  • Below ground waterproofing is as important as the very structural foundations supporting a building.
  • Without the combination of watertight footings & foundations, a building will deteriorate rapidly.
  • Very often, below grade waterproofing systems are inaccessible for repairs. 
  • In some projects, it may not be even commercially viable, or even possible, to fix failed basement membranes.  
  • Negative waterproofing methods, crack injection systems, can be used to attempt to rectified leaking basements from the inside.  


Below Ground Tanking
Basement waterproofing membrane


Below Ground & Basements

Repairs to leaking basements can be extremely costly 

if rectifications are necessary at a future date.​

Below Ground Tanking - Getting It Right

  • Below ground tanking, retaining walls, foundations and basements require best practice waterproofing techniques - the consequences of membrane failure are huge.
  • ​Below ground waterproofing - it is imperative to get it right the first time.

VIEW CASE STUDY VIDEO 

Best Practice for Below Grade Tanking 

Waterproofing-contractors-melbourne

"I have been in the construction industry for over 25 years, many of these as a Registered Building Practitioner specializing in waterproof coatings.

 

And it wasn't that long ago, nor was it unusual, for builders to instruct their labourers to quickly slap on anything black in colour as a waterproofing membrane!"

​

​ Paul Evans; Managing Director of Findlay-Evans Waterproofing & Liquid Rubber Melbourne

​President of AIW (Australian Institute of Waterproofing)

Basement Tanking & Waterproofing 

  • Spray On Waterproofing allows access to difficult below ground level areas, where sheet & torch-on systems it is not possible. 
  • Liquid Rubber membranes have an unique elastic property that helps fill concrete cracks while still flexibility for structural movement.
  • Cold spray-applied systems are fast - very fast. 
  • Liquid Membranes can conform to any shape required.
  • Excellent membrane to waterproof shotcrete application. 

Download FREE Below Ground Waterproofing Guide 

HERE

VIEW CASE STUDY VIDEO  

Using Spray On Liquid Waterproofing Membranes

Liquid Waterproofing Membranes for
Under Concrete Slabs

Probably the worst thing that can happen to  

basements and foundations - is WATER LEAKS. 

Under Concrete Slab Waterproofing

VIEW CASE STUDY VIDEO

Using spray applied LIQUID MEMBRANES for under slab waterproofing 

Waterproofing Retaining Walls

Torch On membrane unable to withstand "ponding" water
  • Concrete is not waterproof - even with additives! These can take years to achieve the desired outcome and if the concrete moves & cracks the success of relying on concrete additives alone is questionable. 
  • Block work & masonry walls are porous.
  • At the time of construction - positive below ground tanking (exterior wall) should be applied to the foundation an/or retaining walls.
  • Climatic conditions will affect the foundation - wet soil beneath a basement/foundation can swell causing lose of strength. 

We have found over the years that many of the traditional waterproofing membranes often used for below ground tanking break down due to:

  • Sheet membranes with seams & joins can develop cracks and open up - very difficult to fix.
  • Cannot withstand "ponding" water - especially important at wall & slab junction. 
  • Leaks flexibility & membrane cannot move with normal structural expansion & contraction. 
For years, our Team at Findlay-Evans have been looking for an alternative to the traditional bitumen/sheet/torch-on roofing waterproofing methods.

VIEW CASE STUDY VIDEO

Protecting Your Membrane

  • Liquid Applied Membranes are the ideal below ground waterproofing system.  
  • These are membranes that form a seamless & impermeable waterproof coating on the exterior surface.  

How to Waterproof Basements

Findlay-Evans Waterproofing developed systematized waterproofing best practice
 for below ground tanking. 

  • Liquid coatings have the advantages of quick application, low in-place cost combined with excellent elongation and elasticity.
  • Several layers of spray-on monolithic membranes are built up to the required thickness as specified​​​​.​​​
  • The membrane extends down below the slab junction preventing water and water vapour from moving through the wall/structures.
  • Using the latest technology in spray-applied liquid waterproofing membranes means your project takes less than one-third the time than using traditional rolled membrane. 
  • No waiting for concrete to cure.
  • No priming required and back filling can commence as soon as the product is dry.
  • Liquid Membranes are hard wearing, seamless, monolithic and flexible systems that can also be structurally reinforced.

Find out more about Liquid Rubber Membranes: https://www.liquidrubber.com.au

How-to-choose-waterproofing-products-and-system

Below Ground Tanking Method
1. Waterproofing Planning
2. Waterproofing Preparation
3. Waterproofing Membrane Installation
4. Waterproofing Protection - Arma Blue
Lift Pit Waterproofing

Lift Pit Waterproofing

1. Waterproofing Planning

  • All our jobs are tracked on-site in real-time, project photos are logged & managed by a cloud based QA system while also providing instant SMS communication with our clients.
  • We are Registered Building Practitioners AND Certified Waterproofers.
  • FINDLAY-EVANS provide 25 year guarantee with expert professional service.
  • FINDLAY-EVANS provide a fully comprehensive on-line proposal offering multiple client options, testimonials & relevant past projects.
waterproofing membrane concrete floor

Waterproofing Concrete


2. Waterproofing Preparation

  • We don't skimp on below ground surface preparation - our aim is to get foundation walls and footings clean, free of loose material and smooth.
  • It is imperative below ground surfaces are dry and free of anything that could adversely affect MEMBRANE adhesion.

Retaining Wall Waterproofing


3. Waterproofing Membrane Installation

  • When deciding what walls get waterproofed for below ground tanking, we follow this basic rule: waterproof any foundation wall that has earth on one side and usable space on the other - including sub-floor spaces.
  • ​We extend the membrane at least 300 mm onto intersecting walls even if they don't need to be waterproofed.

Information for DIY waterproofing concrete slab - see here

ARMA-BLUE Protection Sheet

ARMA-BLUE Protection Sheet


4. Waterproofing Protection - Arma Blue

  • Below ground waterproofing systems need protection during backfilling.
  • After several failed membrane due to inadequate protection we have our own self-adhesive protection sheet - ARMA BLUE.

 Arma-Blue provides robust protection and being self-adhesive will not move, dislodge or allow stones etc to come between the protection sheet & membrane.

Read more about Arma-Blue here.

FREE PDF - Basement Waterproofing Guide

Basement Waterproofing & Below Ground Tanking by Findlay-Evans Waterproofing on Scribd

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Findlay-Evans Waterproofing 

Use Liquid Applied Membranes for below ground, basement & foundation waterproofing new, existing, remedial and repair projects.

Read Client Testimonials HERE

  • Satisfies all OHS safety issues.
  • Are eco-friendly products and completely free of VOC’s
  • Does not involve heat/ fumes or torches.
  • Stable, non-toxic, odorless, non-flammable components which do not present a storage or transport hazard prior to, during or following application.
Find out more about Findlay-Evans Waterproofing

CONTACT US TODAY

(03) 8812 2918

Findlay-Evans Waterproofing - Melbourne Waterproofing Contractors  & Registered Building Practitioner

Findlay-Evans Recent Projects 

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CONTACT US NOW!

PHONE 03 8812 2918
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Findlay-Evans Waterproofing – Qualified CM3 Contractor

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Contacts

Factory: 21/9 Dawson St Coburg North Vic 3058
(03) 8812 2918
P.O. Box 204 Kerrimuir VIC 3129
info@waterproofingfew.com.au
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