Stormdry XR-Mortar is a semi-flexible polymer modified crack filling mortar for masonry, suitable ...Stormdry XR-Mortar is a semi-flexible polymer modified crack filling mortar for masonry, suitable for the repair of damaged pointing and sealing cracks to prevent rain penetration. This ready-to-use express repair mortar comes pre-packaged in a 310ml mastic cartridge. Simply apply the mortar directly to cracks and defects of up to 1 cm width using the supplied nozzle and a standard mastic gun. Once cured, XR-Mortar provides a long-lasting and waterproof repair that will visually blend in with most standard sand and cement mortars. It is also fully compatible with Stormdry Masonry Protection Cream, allowing for repairs and protection cream treatment to be carried out in 1 day with a quick 4-hour drying time. This mortar is not suitable for use in ground contact, below 5°C, or when rain is forecast. Not suitable for whole wall repointing. For thick applications, it may be necessary to apply the mortar in two layers to achieve an even cure. Always read the technical datasheet before applying.
This guide is for homeowners and contractors looking to repair damaged masonry and prevent water penetration. Stormdry XR-Mortar provides a quick and effective solution for filling cracks and repairing pointing. It's easy to apply and blends seamlessly with existing mortar, but it's not suitable for use in ground contact or whole wall repointing.
All features
Brand
Stormdry
Extended Product Information
FAQs
What is the shelf life of Stormdry XR-Mortar?
The shelf life is typically 12 months from the date of manufacture, when stored in a cool, dry place.
Can I use Stormdry XR-Mortar on interior walls?
Yes, Stormdry XR-Mortar can be used on both interior and exterior walls, provided the application is suitable and the conditions are within the specified parameters.
What tools do I need to apply Stormdry XR-Mortar?
You will need a standard mastic gun and a tool for smoothing the mortar, such as a trowel or spatula.
What is the maximum crack width that Stormdry XR-Mortar can fill?
It is designed to fill cracks and defects up to 1 cm in width.
Can I paint over Stormdry XR-Mortar?
Yes, once fully cured, Stormdry XR-Mortar can be painted over with suitable masonry paint.
Is Stormdry XR-Mortar suitable for use in freezing temperatures?
No, do not apply when temperatures are below 5°C or when rain is forecast.
How long does it take for Stormdry XR-Mortar to fully cure?
The surface dries in approximately 4 hours, but full cure may take longer depending on ambient conditions. Always refer to the technical data sheet for complete cure times.
Troubleshooting
Mortar is difficult to extrude from the cartridge.
Ensure the nozzle is properly attached and the cartridge is correctly inserted in the mastic gun. Check for any blockages in the nozzle and clear if necessary. If the temperature is too cold, warm the cartridge before use.
Mortar is not blending with the existing mortar color.
Ensure the existing mortar is clean. If a color mismatch persists, consider a tinted mortar for a better match.
Mortar is cracking after drying.
Ensure the crack has been filled completely. For thicker applications, apply the mortar in multiple layers, allowing each layer to dry before applying the next.
Pros and Cons
Pros
Easy to apply, requiring no mixing or specialized tools.
Provides a waterproof seal to prevent water damage.
Quick drying time allows for same-day repairs.
Visually blends with most existing sand and cement mortars.
Compatible with Stormdry Masonry Protection Cream for enhanced protection.
Cons
Not suitable for use in ground contact.
Not suitable for whole wall repointing.
Application is limited to cracks and defects up to 1 cm wide.
Should not be applied when the temperature is below 5°C.
May require multiple layers for thick applications.
Setup, Compatibility & Care
Preparation: Clean the area to be repaired, removing any loose mortar, debris, or dust.
Application: Attach the supplied nozzle to the XR-Mortar cartridge and insert it into a standard mastic gun. Apply the mortar directly to the cracks, ensuring complete coverage.
Smoothing: Smooth the applied mortar with a trowel or similar tool to create a flush finish.
Drying: Allow the mortar to dry for at least 4 hours before exposing it to rain or further treatment.
Compatibility: Stormdry XR-Mortar is compatible with most standard sand and cement mortars. It is also fully compatible with Stormdry Masonry Protection Cream.
Care: Store the product in a cool, dry place. Avoid application in temperatures below 5°C. Clean tools with water immediately after use. For thick applications, apply in multiple layers, allowing each layer to dry before applying the next.