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Fiberlock Wet Wrap 'N' Seal Asbestos Repair Rolls

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Fiberlock Technologies
Unit of Measure:
5 Rolls (4" Wide x 9ft Long)

 Product Description

Fiberlock Serpi Wet-Wrap 'N' Seal rolls are recommended for repairs to deteriorating, crumbling, or damaged asbestos insulation.  Wet-Wrap 'N' Seal can be applied prior to asbestos encapsulation with Rewettable Canvas Pipe Lagging and/or Fiberlock Lag-Kote Coating.  Fiberlock Serpi Wet-Wrap ‘N’ Seal is a permanent asbestos insulation repair system which can be applied quickly and easily.  Once dry, it permanently retains its strength, shape, and form.  Wet-Wrap 'N' Seal can be spiraled around the damaged insulation to create a solid and secure casting prior to encapsulation.

Sold per Bag of 5 Rolls

Roll Size: 4" Wide x 9ft Long


  1. Put room temperature water into a clean 5 gallon pail or bucket. Wet-Wrap 'N' Seal contains a plaster of paris and synthetic resin combination. Use of skin protection or gloves is recommended.
  2. Hold loosely and submerge one Wet-Wrap ‘N’ Seal roll at a time into the water bucket for 5 seconds. Keep thumb under edge of Wet-Wrap ‘N’ Seal to avoid difficulty in finding starting end after squeezing.
  3. Remove and squeeze with twisting motion to wring out excess water, keeping thumbs under starting end.
  4. When applying overlap each layer by 50%. Smooth each overlap turn of Wet-Wrap ‘N’ Seal into the layers below, molding carefully to the contour, forming a solid, well-fused covering.
  5. Apply Rewettable Canvas Pipe Lagging over the Wet-Wrap 'N' Seal once fully dried.
  6. For a clean and finished appearance, coat with Fiberlock Lag-Kote Coating.

WARNING: Asbestos is a health hazard.  Proper precautions should be taken at all times when working with or near asbestos containing materials including wearing a respirator and properly sealing off the work area from other parts of the building. *Do not over order this product as asbestos removal/encapsulating products are not eligible for returns or exchanges.


 Product Reviews

  1. Best Ever

    Posted by Unknown on 14th Oct 2017

    Dries like a solid rock. Easy to use.

  2. Very impressed

    Posted by Unknown on 28th Jul 2017

    Who knew there was a safe way to encapsulate old insulation. We have a beautiful old victorian home with radiator heating. Pipes have the original insulation which works great but needed to be encased. Couldn't find a contractor so decided to try this out. Got the recommended respirator, suits and this product and gave it a go. It's not the most fun thing to do but is easy and works great. Followed the instructions and was very happy with the end result. You can cut pieces when dry to fit the smaller areas such as the ends.

  3. Excellent product, easy to use

    Posted by Virginia R. on 9th Jul 2017

    I purchased an old house which has a lot of asbestos covered pipe. Some places were is horrible condition. I purchased a 5 pack of this product to patch these areas, which were mostly on corners or where damaged by other activities in the house. For example where water had dripped on the pipe and the original wrap was disintegrating, and on a pipe under where a long time ago there was pipe and electrical repairs and looked like they kept banging into the wrap. Anyway, I wrapped these rough areas with this wrap and when dry the seal was very good. The product says tight and is hard when dry.

    This product is about 4" wide and meant to wrap around the area. But on the corners it is more complicated, so I cut shorter pieces and put them on one by one until the entire area was covered. I then added a piece wrapped around the ends to be sure it remained tight. I later overlapped this with the larger pipe wrap to wrap the entire pipe length.

    The trick is as mentioned in the directions to keep thumbs under the start of the wrap before you get it wet. It is a bit tedious to get to lay wide and flat as it is fairly thin and floppy when wet, but after working with it a few pieces it became easier. I didn't use a 5 gallon bucket, I actually used a shoe box size plastic container. It only takes a quick dip in the water to get wet. Also, when dry it was easy to cut with scissors or tear against a sharp edge of a counter. Don't try and cut it when wet.

    *Great advice on your install technique ~ BIP

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