What is the preferred method for bonding an oak threshold to a concrete substrate?
Thanks,
John
What is the preferred method for bonding an oak threshold to a concrete substrate?
Thanks,
John
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Replies
I would recommend using construction adhesive and 3/16" Tapcons. Countersink the Tapcons by starting each pilot hole with a spade bit. Then continue predrilling with the masonry bit. After fastening, fill each hole with a plug.
-T
Make sure neither the threshold nor concrete isn't too smooth. Use PLPremium and weigh, wedge and/or tape it down for 24 hours. Done well if you have to remove it you will likely need to reduce the wood to splinters. Advantage of gluing it down without fasteners is that there are no holes which would allow water through or otherwise speed rot ot deterioration.
I second 4lorn's suggestion, a generous dose of PL premium by itself will do.
I keep a couple of deep cycle batteries around, for such jobs. ~50 pounds each, small footprint, they have a rope handle for easy one hand carrying. One of these babies on each end and you're good to go. neat, clean look.
Thanks to all who posted. After paying attention to a few details this is very straight forward.John
I did the inverse, gluing a marble threshhold to a plywood subfloor. I used polyurethane wood glue (like Gorilla Glue). Only a small amount is needed. Both surfaces should be free of dust lightly damp. The glue foams and expands when curing, so it has to be weighted well. It worked like a charm.
Not arguing, this is just to add to your information.PLP is a polyurethene construction adhesive. A glue with the texture of mastic, but still slight expansion as curing. It is better for structural needs.For others with marble to glue, some marble types will let adhesives bleed colour. So it can be necessary to use special white thinset for marble. Sometimes we get lucky tho
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Edited 12/3/2005 7:58 pm ET by Piffin
PL Premium.
Tim