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Basement and Cellar Waterproofing (Tanking) Solutions for Existing Basements

Converting a damp cellar or basement can be a surprisingly inexpensive way of increasing living space and can substantially increase the value of a property.

Waterproofed cellars and basements can be converted into kitchens, bathrooms, wine cellars, living rooms, studies, or even recording studios. You are limited only by your imagination. In commercial premises, common uses for basements include, extra storage / retail space, car parks, bars/nightclubs, and restaurants.

Safeguard offer two main types of system for waterproofing existing cellars and basements. By offering both types of system we are able to offer an impartial opinion as to which system is best suited for a particular project. We are also able to supply waterproofing systems for the construction of new basements:

Vandex basement waterproofing diagram1) Cementitious Waterproofing Slurries (Vandex system)

The Vandex Basement Waterproofing System - is a multi-coat waterproofing system that is both durable and versatile. The main coating material, Vandex BB75, is a cement-based powder which is mixed with water and applied to walls, floors, and ceilings by spray or trowel. It sets to form a bond with the masonry substrate, creating an impervoius barrier to the movement of water.

The diagram to the left shows a typical basement waterproofing application. A sand-cement render is applied to the walls and a bottle cove formed at the wall-floor junction using Vandex Unimortar 1. Two coats of Vandex BB75 are then applied to the walls and floor. Finally, a screed is applied to the floor and a suitable plaster is applied to the walls.

Oldroyd basement waterproofing diagram2) Studded Membranes (Oldroyd Xv Clear System)

The Oldroyd Xv Clear system is particularly suited to waterproofing the Victorian basements commonly encountered in the UK as it does not rely on the soundness of the underlying substrate for its effectiveness. The membrane is sealed to walls and ceilings by means of special sealed fixing plugs, whilst on the floor there is normally no need for any form of fixing.

Oldroyd Xv can be covered with plasterboard (using timber battens or the Fastframe Drylining System), screed, or a floating timber floor. A drainage facility, incorporating a sump and a pump, will need to be included as part of the system. The Aquadrain perimeter drainage channel may also be used to provide additional drainage at the wall-floor junction.

For a more eco-friendly solution, Oldroyd Xv Black can be used instead of Oldroyd Xv Clear. Oldroyd Xv Black contains between 56 and 70% recycled plastic.

Combination Systems

The best solution is often a combination of the two systems (e.g. Oldroyd Xv applied to floors and walls, with the Vandex system used to waterproof a flat ceiling). To discuss specific projects, please contact our technical department.

Case Studies

Several examples of basement conversions are featured in our case studies section.

RIBA-Approved CPD Seminars

Safeguard currently offer the following RIBA-Approved CPD Seminars free-of-charge to architects and specifiers on the UK mainland:

Basement Waterproofing Contractors

Basement waterproofing is a job for a skilled contractor. If you would like a quote from a basement waterproofing company in your area, please fill in the form below or call us on 01403 210204.

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Brief description of basement and proposed end use.

 

 

Before Refurbishment
Basement conversion - before
 
Vandex BB75
Vandex BB75 for basement waterproofing
 
Vandex Waterproofing System
Vandex Basement Waterproofing
 
Oldroyd Xv Clear System
Oldroyd Basement Waterproofing
 
Oldroyd Fixing Plug
Oldroyd fixing plug
 
After Refurbishment
Basement conversion - after.
 
Download Datasheets
Making Basements Dry Oldroyd Xv Cavity Drainage Membrane Oldroyd - waterproofing interior walls
Making Basements Dry (232k) Oldroyd Xv datasheet (110k) Oldroyd Interior Walls (467k)
Oldroyd Xv fixing instructions Basement Sump Systems Vandex Basement Tanking
Oldroyd Xv Fixing Instructions (164k) Sentry Sump Systems (735k) Vandex Basement Tanking (164k)
Vandex BB75 Vandex BB75 Price List
Vandex BB75 Datasheet (25k) Vandex Unimortar 1 Datasheet (25k) Price List & Order Form (85k)
Adobe Acrobat Reader is required to view these datasheets (available free from the Adobe website.) p
[Click Here] to request a copy of any of these publications by post.

Technical Support

The following technical support features are available through this website:

To speak to a member of our technical team call 01403 210204 during office hours.
Vandex
odlroyd
Stormdry
Dryzone

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