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Renovation of a white stone fireplace

Decorative material par excellence, the white stone needs cleaning, especially when used in chimneys (black smoke). It is also sometimes necessary to be able to repair a brightness without this intervention being too visible. Finally, we must take advantage of this restoration to apply on the stone reconditioned, a product of water repellent protection.

Necessary material

  • Scrub or nylon brush
  • Painter's knife
  • Sandpaper (large, medium, fine)
  • Brush
  • Sponge

Steps

  1. Filling a crack or an angle
  2. Polish and protect the stone

Filling a crack or an angle

Dusting the stone with a soft brush

Dusting the stone with a soft brush

1. After dusting (avoid metal brushes that scratch the stone), cleaning is continued with an acid fluoride-based cleaning product. Dilute the stone cleaner in a non-metallic container, to obtain a consistent paste. Wet the stone with pure water, then apply the product with a scrub brush. Leave on for 15 minutes, and rinse thoroughly with water.

Prepare the Metalline to make repairs on the stone

Prepare the Metalline to make repairs on the stone

2. Filling a joint, repairing a damaged corner or damaged molding, filling a crack, all these operations are done with Metalline. Apply it with a painter's knife.

Fill the cracks with Metalline

Fill the cracks with Metalline

3. Fill in the cracks, then pass the knife to remove excess product.

Rehabilitation of an angle to the Metalline

Rehabilitation of an angle to the Metalline

4. Do the same for rebuilding a damaged corner. Spread Metalline along each corner surface. Then take a piece of paper and fold it to "mold" the coating to the desired curvature.

Mold the paper coating

Mold the paper coating

5. Let it dry for about half an hour.

Remove the paper carefully once the coating is dry

Remove the paper carefully once the coating is dry

6. Carefully remove the piece of paper before drying completely. Let the Metalline cure on all the coated parts for 24 hours. After this time, sand dry all these surfaces with sandpaper: remove excess product with coarse sandpaper.

Polish and protect the stone

Polish the coating with medium grain paper

Polish the coating with medium grain paper

1. Then polish with medium grain paper; finish with fine grain.

Apply sodium silicate

Apply sodium silicate

2. Finish with an application of soda silicate or stone water repellent to harden and protect the material. Spread the pure product with a brush; liquid and colorless, it dries quickly.

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