Marble Restoration & Stone Care Service

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Marble and Granite Seams or Joints Repair

How the seam on stone countertops should look like?
What are the right seam width and color should be when joining of stone slabs?
What does the seam visibility depend on?

If we consider countertop fabrication from even high-quality stone, most often, it is impossible to do without a seam or joint on the counter. An invisible seam can only be made on acrylic, and not on natural stone or on quartz, such materials cannot be seamlessly melted. If it is invisible on the countertop or at an integrated sink – this suggests that more likely you have a plastic or acrylic product.

Natural stone and man-made agglomerate come to fabrication in slabs – large plates, from which the countertop is subsequently made. The sizes of these slabs are not infinite – granite usually comes with a width of more than 10 feet, marble up to 10 feet, and quartz slabs have standard sizes of 55,5″ x 122″.

Countertops in places like sink or cooktop cutouts are quite likely to break during installation or during transportation. When the item is large or the countertop is L-shaped, the seam on the countertop should be in any case. It is reasonable to make a joint in narrow places like by the sink, due to which the line does not cross the countertop entirely and does not “strike” the eye at all.

How the seam will look on a stone?

This is not a simple question, and sellers quite often do not know how the seam will look after re-bonding the slabs together. This can be unpredictable because on different stones the joint line will look differently. Worse, if the seller claims that the joint will not be visible at all because this means that you are going to order a plastic countertop.

The crevice width on the stone can vary from 0.3 mm to 1.5 mm, depending on the physical properties of the stone. How much the line will be noticeable, will depend on the kind of stone, its texture, pattern, and color.

Installers need to mix glue with pigments to match the stone color as close as possible and with full compliance with its pattern. A seam line on a countertop in most cases will not catch the eye, but there are disappointments in life when a countertop is made of light one-tone marble, and the installers have little experience, and could not correctly tint the glue.

5 factors will influence seam visibility

  1. Stone color:
    With color, everything is simple – the more various colors on the stone, the less noticeable the seam. Light monotonous colors (white, beige, yellow, transparent, etc) will have a more noticeable line than in the dark. Variegated and intensive colors (red, green, brown, gray, etc.) are the best to hide the gap. On black slabs, the visibility increases again, as its monotonous color.
  2. Minerals grains:
    When the grains are not expressed and the stone color is solid, in this case, the joint line on the stone will be more noticeable.
    When grains look like sugar on marble, the edge after the cut turns out to be somewhat torn, and this also underlines the edges and makes the width thicker.
    When it comes to fine-grained granites, even if they are plain, the seam will be more accurate than on plain marble, due to the granularity of the granite.
    Coarse-grained granites will also have very thin and neat joints, but not all grains will fall on each other. The seams on the granite countertop with large grains will be more detectable than the seam on the countertop made of fine-grained or medium-grained granites.
  3. Quality of the edge after cutting:
    The edge quality of the seam is directly dependent on the quality of the saw blade with which the stone is being cut. The rock granularity and internal structure are different for each stone, but if the saw blade is of poor quality, the edge will get many chips. Then they should be filled with colored epoxy and it will make the seam line inconsistent and more unnoticeable.
  4. Experience of installers:
    The result also depends on the installer’s experience. How they will adjust the slabs evenly, polish the seams without altering the surface finish, tint glue for maximum similarity, etc. The practice with different teams shows, the installer with experience in a workshop will give a high class of professionalism in the stone business.

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Seam Repair – Before & After

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  • Contact:

    ☎ 800-347-3182
    ABC Stone Inc.
    2165 Brigham st.
    Brooklyn, NY 11229

    Serving Areas:

    Manhattan, NY
    Brooklyn, NY
    Queens, NY
    Bronx, NY
    Staten Island, NY
    Long Island, NY
    Other Areas
  • We work with:

    Slate Stone
    Epoxy Resins
  • Reviews:

    Lynn W. Avatar
    Lynn W.
    5 star rating

    Eugene blew us away with how fantastic our bathroom turned out. We recently moved into an apartment and were disappointed by how poorly the marble stone was kept. A friend recommended Eugene, he was very responsive and professional. You can tell he takes pride in his work. He spent two full days polishing, cleaning, caulking and grouting the entire bathroom and it looks like new. Before he left we asked for a proposal for the kitchen! I highly recommend him and would use him for every stone job we have moving forward.
    He is simply the best.

    Elle S. Avatar
    Elle S.
    5 star rating

    The first, I was impressed with how fast they got back to me after asking for a quote. Eugene was professional, fast, and keep his promises. He communicates well and it was very easy to work with him, and I was very pleased. It is very important to me that people who I work with is professional and trustworthy. I can see a long-term relationship with them and am very happy to find them. By the way I found them by looking for an answer on Houzz for my question about my furniture.

    Leonard K. Avatar
    Leonard K.
    5 star rating

    Eugene did right by us! Lowest estimate of several I received, but no corners cut. Very patient answering all my questions by email, super professional and respectful in my apartment, including thorough cleanup, and my counters look great!

    Shaun S Avatar
    Shaun S
    5 star rating

    Eugene was great. My contractor ruined our "travertine" floors. Our contractor used the wrong grout and my pale colored stone floors looked dirty. Eugene to the rescue! Eugene scrubbed, polished and regrouted the bathroom stone floor and it looks just the way it was meant to. Eugene told us that the stone was really limestone. He was quiet and went straight to work. I found him to be very respectful. He saw we had new flooring in the house and took off his shoes. Class act. We highly recommend Eugene. Now my family can finally move into our first home.

    Allison M Avatar
    Allison M.
    5 star rating

    Eugene absolutely saved the day for us, and we are so grateful. With only 3 days left to move out of our BK apt, our movers cracked a priceless family heirloom marble dresser top. We were devastated! A friend of mine who does object restoration for museums gave me ABC's website, and Eugene spent a day communicating with me, and came, to our home (in a mask) the very next day and restored our marble on location and in our tight time frame. When he was finished, it was stunning, and we are beyond grateful to him. I hope I never need his services again, but I strongly recommend him to others. At the end, he even helped us correctly package the marble for our move so we didn't need to have the movers risk harming the marble again. We are so grateful to him!

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