JUTA GP® (quick drying) Primer is a low viscosity primer reduced with an aromatic hydrocarbon. It is black in colour and highly mobile. It is modified to provide improved damp substrate tolerance and membrane bonding relative to non-modified bituminous primers.
GP® Primer seals porous substrates and encourages the adhesion of bituminous waterproofing systems and sheet coverings. It may be applied successfully to a wide range of surfaces:
Metals (mild steel, Zinc, Lead)
Lightweight concrete screeds
GP® Primer is available in 5 litre and 25-litre containers.
Handling and Storage
GP® Primer is not chemically sensitive to heat or cold but extreme temperatures should be avoided. The product should be stored in well-maintained storage tanks
All components are REACH (Reg. (EC) No 1907/2006) registered. The product does not contain any Substances of Very High Concern (SVHC).
Toxicity and Safety
GP® Primer is classified as hazardous according to CLP Regulation (Reg. (EC) No 1272/2008). Refer to the Product Safety Data Sheet for recommended safety precautions. It is recommended the end-user wear safety glasses, safety gloves and protective clothing during application. Avoid direct contact with skin and eyes. Do not eat, drink or smoke while handling or using the product.
All surfaces should be smooth, clean, sound and free from oil, grease, condensation and other contamination. Product may be applied to ‘green’ concrete and damp surfaces. The minimum ambient temperature for application is 0°C; it is not recommended to apply GP® Primer at temperatures below this as advertised drying times will not be achieved.
GP® Primer is recommended to be brush or roller applied, avoid pouring directly onto a horizontal surface. This may cause puddling during application and increase drying time. GP® Primer should not need to be thinned if recommended storage conditions have been maintained.
GP® Primer is designed to be effective as a single cost application.
If applying to metal, ensure the surface is well prepared in advance. Wire brush off any rust and ensure clean and dry. Where long-term protection is required, treat with a rust-inhibitive product. Consult the Technical Department for advice on compatibility prior to application if unsure.
Keep primed areas clean and dust-free so far as possible prior to membrane application. Areas that accumulate significant amounts of dust or dirt must be re-primed before the membrane application, bonding performance will be compromised by debris.
For cleaning tools use hydrocarbon-based solvent such as White Spirit. Xylene, Toluene and Acetone are also effective.
Site Investigation Reports Monitoring Results. We review these reports and advise routes for compliance.
Full Ground Gas Protection System Design available.
Wide library of standard details with site specific details on request.
All our installers are certified NVQ Level 2 qualified installation contractors.
We ensure your project complies with the relevant building regulations.
Ground Gas Standards
There are many different standards and guidance documents that detail how to understand the risk of ground contamination, and design solutions to mitigate these risks. The different documents relate to different ground contamination. Below are some of the key documents to be aware of and refer to:
CIRIA C735:2014 – Good practice on testing and verification of protection systems to buildings from hazardous gases
Good practice on testing and verification of protection systems to buildings from hazardous gases
Check design and detailing is in accordance with site requirements
Checks the competency of the installer (NVQ LEVEL 2 minimum)
Test integrity of the membrane/barrier system
Written report on inspection/testing and sign-off
BS8102:2009 – Code of practice for protection of below ground structures against water from the ground
JUTA Solutions & Applications
Our gas protection membranes suit a variety of applications and situations, with our TITAN® range offering not only gas protection but also having superior waterproofing and invasive weed control qualities.
If you feel first class service, premium products direct from source, and bespoke solutions are right for you then don't hesitate to contact our team today on 01772 754177 or email us at [email protected]
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