Picture Framing: How to Avoid It
Picture Framing, Porous Materials, Sandstone, Limestone, Granite, Paving, Patio
What is picture framing?
Picture framing can occur when grouting a paver that has not been pre-sealed. The water inside grout contains cement and other minerals. When this water penetrates into the edge of the paver, the minerals set inside the granite. This leaves a permanent stain, identified by the distinctive dark frame seen around the edge of a material.
Picture framing can also appear over time. Grout is extremely porous which means it will absorb more water than the granite itself. This impure water will permeate around the edge of the paver numerous times. When the surface dries, the water evaporates leaving behind minerals which are permanently set inside the granite, making it impossible to remove.
Unfortunately, once picture framing happens there is no way to remove it so prevention is the key!
What can be done to prevent this?
An option for this is to seal your patio using Dry Treat impregnating solution such as Stain Proof Original which provides a deep, water repelling barrier. This will significantly reduce water being absorbed into the grout and material, lowering the risk of picture framing.
For more information on picture framing, check out this video: https://www.youtube.com/watch?v=-uIFSrwswEI.
You can purchase Stain Proof Original from our store in the following sizes:
1 Quart:http://www.rivarsandandgravel.co.uk/products/seasonal-sundries/Stain-Proof
1 Gallon: http://www.rivarsandandgravel.co.uk/products/seasonal-sundries/stain-proof-1-gallon
