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Discussion Forum

Rot repair products?

larryb | Posted in General Discussion on September 2, 2009 01:30am

I know this has been covered before, but I need to repair some rot on a log cabin. One relatively small area near the sill. Pine.
Water problem fixed.

What product{s} should I look for?

Larry B

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Replies

  1. theslateman | Sep 02, 2009 01:32am | #1

    Abatron

  2. Danno | Sep 02, 2009 03:34am | #2

    Abatron or Minwax (Wood Hardener, I think is what Minwax calls theirs).

  3. User avater
    Jeff_Clarke | Sep 02, 2009 03:55am | #3

    Far better than Abatron:

    http://advancedrepairtechnology.com/architectural_epoxy/architectural_epoxy.htm

    View Image

    (just don't bother with the mixing nozzles)

    Step 1

    Remove paint from surrounding area. Paint will act as a camouflage hiding decay and substrate imperfections. Bonding epoxy to paint will compromise the bond of the epoxy to sound wood fibers. Lead paint may be present. Take proper measures to protect workers and surrounding environment from contamination.
     

    Step 1: Remove Paint
    Step 2

    Remove all decayed wood to sound, bright, unaffected wood. Gray wood or brown-red spots should be removed. No soft or brittle wood fibers should remain. Putties and past attempts at repair should be removed. Remove all dust, dirt, and loose wood fibers.

    Step 2: Remove Decayed Wood

    Step 3

    Check moisture content of remaining sound wood. High moisture content will inhibit proper penetration of the bonding agent (epoxy primer) to a loose wood fibers.

    Step 3: Check Moisture

    Step 4

    Pre-treat the bare and sanded wood with a liberal film of Prime-A-Trate epoxy wood primer using a disposable brush. Mix 2 parts of A component to 1 part of B component. Avoid working in direct sunlight. Allow 10 minutes for penetration, maximum of 30 minutes. Remove excess with a paper towel before the application of Flex-Tec HV.

    Step 4: Pre-treat bare and sanded wood

    Step 5

    Apply a thin layer of Flex-Tec HV to pre-treated wood to ensure optimal adhesion to wood. Immediately fill the repair completely to a smooth and even finish.

    Step 5: Apply Flex-Tec HV

    Step 6

    After curing (12 hours @70 degrees F.), sand the repair even and smooth. If desired, a second coat of Flex-Tec HV can be applied. Always sand and remove dust between coats.

    Step 6 Sand the Repair

    Step 7

    After sanding and removing all dust, treat the repaired area as bare wood. Follow the paint manufacturer's instructions for bare wood.

    Step 7: Paint
    Long-term Maintenance

    By correcting the pathways to moisture using a resilient, high performance epoxy repair system, the wood substrate will remain dry and protected from the damaging elements of moisture, fungi, and ultra-violet light. This protection will extend the life of the paint film. The results are longer cycles between paint re-coats and less time for surface preparation. Quality materials and surface preparation keep long-term maintenance costs low.

     
    The Repair Materials

    Prime-A-Trate
    is a two component epoxy-based coupling agent designed specifically to enhance the bonding strength of Flex-Tec HV. Engineered to move with the natural expansion and contraction of soft and hard wood species, Prime-A-Trate offers outstanding long-term performance.

    The ultra-low viscosity properties make Prime-A-Trate the ideal material for creating a high-performance bond to the open cell structure of hard and soft woods.

     

    Prime-A-Trate
    ART 901

    Flex-Tec HV
    is a two component epoxy-based repair material designed specifically for the repair of damaged wood. Engineered to move with the natural expansion and contraction of soft and hard wood species, Flex-Tec HV offers outstanding long-term performance. It requires no additives or fillers. Excellent modeling and tooling properties make Flex-Tec HV the ideal choice for the professional user. Flex-Tec HV can be used on both vertical and horizontal wood surfaces.
    Flex-Tec HV
    ART 401
    Common applications are on exterior column bases, window sills and sashes, architectural wood ornaments. It is also suitable for various manufacturing uses, the repair of natural wood imperfections such as knots or checks, and the sealing of end-grain, which protects the integrity of the paint film.
    Light Duty Dispensing Gun

    For general use in dispensing of
    Flex-Tec HV.

    Can not be used with Static Mixing Nozzles.

    Light Duty Dispensing Gun
    ART 300LV

    Heavy Duty Dispensing Gun

    For professional use in dispensing of Flex-Tec HV.

    Can be used with or without the Static Mixing Nozzles.


    Heavy Duty Dispensing Gun
    ART 300X


    Static Mixing Nozzle

    Designed to automatically and thoroughly mix part A and B before being dispensed. Disposable.

    Sold in quantity of 5

    View Image
             ART 310X


    Static Mixing Nozzle



    Edited 9/1/2009 8:57 pm ET by Jeff_Clarke

    1. Jer | Sep 02, 2009 04:50am | #4

      I just did another Victorian porch in Newtown and I almost called you to get the name of that stuff, but found that Newtown Hdwr. carries the full line of Abitron, so I just went with what I knew.
      I really do want to try this though. I took the info this time, thanks.Doesn't Hamilton Supply carry this?How does this compare price wise with Abitron?You ever try the West System?How's work by you these days? I'm actually back in your neck of the woods again in a few weeks on the same house.

      1. User avater
        Jeff_Clarke | Sep 02, 2009 03:25pm | #5

        Hi Jer - yes Hamilton Supply carries everything.  Plus you can order it on line from John Stahl's site.  I don't know about the price differences.

        There are good videos on the site for product application.  I've had builders use the West system too, but not me personally.

        Things are busy right now for me!

         

        Jeff

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