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Damp-proofing Solutions for Solid Floors

Damp rising through concrete floor slabs is fairly common. The damp-proof membranes used during construction of concrete floors are often thin, and can easily become torn before they are laid, rendering them ineffective.

In newbuild situations, it may be necessary to install a damp-proof membrane on top of a concrete slab to enable moisture sensitive floor finishes (e.g. wooden floors) to be laid on top of the slab - enabling works to be completed more quickly than would otherwise be the case.

Safeguard offer two options for the treatment of damp rising through existing concrete floors. We also offer solutions for waterproofing slabs during construction.

1) Liquid applied damp-proof membranes

A number of products in our range including, ECS Epoxy Floor Coating, Drybase Liquid Applied DPM , Vandex BB75, and Vandex Unimortar 2 that can be applied directly to damp floors to create a damp-proof barrier. This method has the advantage of being extremely easy to apply and only fractionally raising the floor-level. However, it is important to ensure that the floor to be treated is correctly prepared and free from contamination. A typical detail is shown below:

Damp-proof membrane wooden floor

Where a trafficable finish is required ECS Epoxy Floor Coating or Vandex Unimortar 2 should be used.

Certain applications (e.g. covering with some types of wooden floor) require a vapour-proof membrane - in these cases DryBase Vapour Membrane or ECS Epoxy Floor Coating should be used.

2) Oldroyd cavity drainage membranes

Oldroyd Xs DPM rollsWhere a solution requiring minimal surface preparation is required, Oldroyd Xs damp-proofing membrane should be considered.

Oldroyd Xs is a tough, polypropylene membrane that can be laid on top of damp concrete floors with minimal surface preparation . A wide choice of flooring types can then be laid on top, e.g.screeds, particle board, laminated wooden flooring.

Oldroyd Xs is much thicker than conventional damp-proof membranes, and is manufactured from polypropylene, making it extremely resistant to on-site damage. Its patented "X" pattern makes it easy to cut and fold. It also allows moisture to move behind the membrane, and allows for shrinkage movement when screeds are laid on top.

In refurbishment projects, the use of Oldroyd Xs can allow new finishes to be applied to existing floors without the need to resort to expensive excavation and relaying of damp floors. Oldroyd Xs protects the flooring finish from dampness as well as contaminants such as oil, gas, and acids, making it an excellent choice for factory and warehouse conversions.

Oldroyd Xs DPM under laminate floor.

Where new floor slabs are to be laid, the use of Oldroyd Xs can allow the fast-track installation of floor finishes while the floor slab is still "drying down," allowing faster completion of projects.

Oldroyd Xs Flooring Membrane should not be used in aggressive groundwater situations. The studded Oldroyd Xv Clear or Oldroyd Xv Black membranes should be used instead. Call our technical department on 01403 210204 for details.

RIBA-Approved CPD Seminars

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


case studies Case Studies

Visit our case studies page for a complete list of case studies available on this website.

ECS Epoxy
ECS Epoxy Floor Coating
 
DryBase Membrane
DryBase applied to floor
 
Oldroyd Xs
Oldroyd Xs damp-proofing membrane.
 
Download Datasheets
Oldroyd Flooring Oldroyd Xs slimline flooring membrane. Oldroyd Xv datasheet
Oldroyd Flooring Brochure (1.1Mb) Oldroyd Xs Datasheet (103k) Oldroyd Xv Datasheet (108k)
Oldroyd BBA certificate ECS Epoxy Floor Coating Vandex Super Dry Sprinkle
Oldroyd Xs BBA certificate (290k) ECS Epoxy Datasheet (36k) Vandex Super Dry Sprinkle (290k)
Vandex Super Vandex Unimortar 2 Price List
Vandex Super Datasheet (28k) Vandex Unimortar 2 (28k) 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.

Where to Buy

To purchase products online visit our online shop www.safeguardstore.co.uk.

Alternatively call 01403 210204 for details of:

  • Stockists in your area
  • Trade prices
  • Purchasing by telephone

For further details, please visit our "Purchasing" web page.

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