using Geotextile Membrane
Waterproofing - easy
to install, plastic membrane with filter mesh facing - easy fix with
bang-in plastic plugs, covered in mesh ready to plaster.
membrane material -
plastic 8mm dimpled sheet on a roll with welded on Geotextile mat filter
material. Easy to cut and trim with scissors or knife.
sealing and fixing -
special Mastic Rope and Tape, with plugs to suit both wall fixing methods.
wall primer option -
in most cases Technoseal Liquid DPM is applied as a primary foundation
perforated ground drain
- essential at the base of the wall, to act as a conduit for the
removal of drained water.
by the Trade - Geotex is easy to fix on any type of masonry
1. Kit includes
25 square metres of membrane - 2 metres wide x 12.5 metres long
with plastic hammer-in plugs and waterproof seals, ready to use
3. No special
tools required - just drill 8mm holes.
to install - drill & bang-in the plugs
5. Top edge
trim - fix the Profile Strip at ground level
- as used by the Professionals for old and new wall waterproofing underground
Membrane with Geotextile mat showing at the edge
Geotex Top Fixing
- optional screwed method
Geotex close up showing studs
(8mm) and textile filter mat
To follow the installation
in an existing building, if an underground extension is being installed,
you may also need to fit a new Damp Proof Course, to comply with the
relevant standards. This should be injected at least 150mm above exterior
To comply with the Building
Regulations you will also need a second damp proofing barrier - we recommend
Based Tanking or Technoseal
on 01626 331351 for a Free Geotex Specification and Costing
here to buy Geotex
How to install
a damp proof course - start your Geotextile at this level, hanging
First, check for high ground
levels, leaking gutters and downpipes, water leaks. A Damp Proof Course
must be at least 6 inches (150mm) above abutting ground level (whether
internal or external), to avoid splash up or 'bridging'.
12mm diameter holes at 120mm intervals in the mortar course (or via
the brickwork, angled down to meet the mortar course) selected to be
at least 150mm above outside or abutting ground level
the extension nozzle to the cartridge tube and load into the skeleton
cream from the bottom of the hole outwards until the hole is full.
to our specification.
any skirting boards or joinery with Boron Ultra Gel.
be capped with mortar or fitted with a plastic plug
to a minimum of 1.2 metres internally, to our specification, using sand
and cement and Rendapruf integral waterproofer, is required to finish
the job and to prevent 'salts' damage to plaster finishes and decorations.
required: Quick Cream DPC, Skeleton Gun - either a 400cc or professional
Products: Rendapruf Replastering Additive (5 litre), Wall Plugs,
Boron Ultra Gel (2.5 litre), UltraProof exterior wall treatment (5 litre
or 25 litre), Anti-Mould Paint (2.5 litre), Professional Skeleton Guns
(400cc or 1000cc), Professional Extension Nozzle (for repeated use with
12mm masonry bit, electric hammer drill, eye protection
here to go to the Damp Shop
Damp Proofing Cream - Typical
4.5 inch thick (115mm) single
leaf wall - 1000cc (1 litre) per 9 metres, inject from either side
9 inch thick wall (230mm)
double leaf solid or cavity - 1000cc(1 litre) per 4.5 metres, inject
from one side or from both sides.
18 inch thick wall (460mm)
solid or random fill - 1000cc (1 litre) per 2 metres, inject from both
Damp | Plastering
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Site written by: David
David Moore, B.A. (Hons.),
C.T.I.S., C.R.D.S. Technical Author