How to Seal Gaps in a Tongue and Groove Porch Floor
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- Опубликовано: 20 июн 2023
- A lot of homes in the Philadelphia area have wood tongue and groove porches. Water can get into the joints as the wood moves with age and weather. By sealing the joints with a polyurethane caulk you can protect your porch from rot to the boards and the supporting joists underneath.
Sealing a tongue and groove porch is a project that a homeowner can do with the right tools and a little bit of time. But, it's important to make sure that Henny damaged boards and structure have been replaced or repaired first.
Here we show you how to seal a tongue and groove porch in Roxborough Philadelphia with polyurethane sealant.
To seal your porch you'll need a polyurethane caulk sealant, I used Loctite PL Polyurethane Sealant (labeled for use on concrete), mineral spirits, a plastic spreader, rubber gloves, and rags. Make sure the to dispose of rags properly to avoid spontaneous combustion.
Apply a small bead of sealant along the open joints. Dip the spreading tool in mineral spirits and use the tool to push the sealant into the joints. Then wipe away any excess with mineral spirits and a rag. The sealant will take 3 to 6 hours to dry and one week to cure.
Good video, thanks for posting.
Yeah, I just got done doing a 200 year old porch. Well at least the house is - are use the OSI quad pro and never thought about using mineral spirits as a cleaner upper I just rag and tool it as much as I could I have a porch to do this week and will try it. Thanks for showing us been using Diamabrush and removing paint all the time, and looking at the Mutombo or paint shaver pro
Thanks for sharing
I just had tongue and groove, 2x6" treated, put on the porch, now after the long period waiting for it to dry, large gaps between the boards are very evident. So do you recommend the same treatment for this ailment...Thank you.
Hopefully, the boards were dried out before they were installed. If they were installed straight from the lumber yard and allowed to dry after installation then the gaps may be too big. You can try this method and use some caulk backing rod to fill in the gaps if they're especially large. The only other likely fix would be to pull the boards up now that they're dry and reinstall them (assuming they weren't dry when they were installed).
Thank you ,much 😊 appreciated. What was the name & type of caulk again ?
I used Loctite PL Concrete Non-Sag Sealant. Sikaflex would also work.
What would be a good option if I use a stain instead of a paint.
Good question and I don't know the answer. I would expect that a solid stain would work just fine but a transparent or semi-transparent may not adhere to the polyurethane. The staff at my local Sherwin-Williams is very knowledgeable so it may be worth calling SW to see what they say.
Could you fo this before painting, then paint over it?
Yes, you could do it that way.
Do you reckon that’s going to last ? What about movement in the boards? Won’t it look shite once boards move ?
So far so good and I do expect it's going to last at least a few years. The product has a good amount of elasticity to it so it should hold up as the boards move.
What kind of paint or porch floor coating do you use that will stick to that polyurethane and hold up to foot traffic?
I used Sherwin-Williams Porch and Floor Enamel.