Dryzone Renderguard Gold Additive - Gold
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Product Information
Full details
Dryzone Renderguard Gold is designed for professionals and DIYers performing remedial plastering work after installing a damp-proof course. Its primary benefit is providing long-term protection against salt contamination and moisture penetration in new sand-cement renders, though it requires precise mixing ratios to ensure optimal performance.
All features
| Colour | Gold |
|---|---|
| Model Part Number | DM-REN-4L |
| Brand | Dryzone |
Extended Product Information
FAQs
Can this be used with lime-based plasters?
Renderguard Gold is specifically engineered for sand-cement renders. It is not recommended for use in pure lime plasters.
Is it safe for pets and children?
Once the render is fully cured and dry, the chemical components are stabilized, but you should always follow standard safety guidelines for construction chemicals.
Does this product stop rising damp on its own?
No, this is a replastering additive meant to be used *after* a damp-proof course has been installed to prevent salt contamination.
How long does the protection last?
When applied correctly as part of a proper replastering system, it provides a permanent barrier against salt migration.
Do I need to wear protective gear?
Yes, standard PPE including gloves and eye protection is recommended when handling concentrated chemical additives.
Can I use this for external rendering?
Renderguard Gold is primarily designed for internal use following damp-proofing work.
Troubleshooting
Render is not adhering to the wall
Ensure the masonry substrate is cleaned of all loose debris and dust before application and that the wall surface is properly primed.
Mixture appears too dry or stiff
Verify the water-to-additive ratio and ensure the concentrate was properly diluted before being added to the dry sand-cement mixture.
Pros and Cons
Pros
- Prevents unsightly salt efflorescence on walls
- Essential for successful post-damp-proof course replastering
- Improves physical handling and application of render
- Maintains wall breathability
- Trusted BBA-approved formulation
Cons
- Requires professional-standard mixing equipment
- Limited to sand-cement renders
- Must be applied immediately following DPC installation
- Incorrect dosage may compromise water-proofing efficacy
Setup, Compatibility & Care
To prepare your mix, first combine your sand and cement as per the job specifications. Dilute the Renderguard Gold additive with clean water according to the manufacturer instructions before incorporating it into the dry mix. Ensure you are working on a clean, masonry-based substrate. Keep the container sealed and stored in a frost-free environment to maintain the shelf life of the chemical concentrate. Clean all mixing tools thoroughly with water immediately after application to prevent hardened render build-up.
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