The wood shingles on part of the house have thick paint, after 50
years of just putting on another coat of paint. Some of it will just
crack off down to the wood in big strips. I want to remove the loose
stuff, maybe use a heat gun on some, but the process will be pretty
slow as I don't have a lot of time each day to work on this. Is there
something I can put on these shingles that would protect them from the
weather until I am ready to prime and paint a whole section? (If I put
primer on a small section at a time, how long can I wait to put on a
top coat of paint.?)
Any advice for getting more of the paint off without using a heat gun?
These shingles are not at all smooth: the look is as if someone took a
steel comb to them and essentially removed the softwood. (Looks like a
farmer's field after it's been furrowed: nice straight grooves from
top to bottom.)
I would be concerned just why, and where, the paint is coming off. There may
be water seeping outward, separating the paint from the shingles. Is this
happening on weather side of house, is there overhang, good drainage along
gutters, leaks, etc.
I wouldnt think leaving the shingles exposed for a time would do any harm at
all - they were meant to protect the house without any paint at all - too
bad they were ever painted. Also be careful, as paint that old likely has
lead in it. Use a respirator/filter when chipping/heating it.
Erosion of shingle surface is either due to weathering from rain or sun the
years it was unpainted, or the house was pressure washed at some point,
removing the softwood between the growth rings.
For really deeply weathered wood, I use boiled linseed oil - several
applications, weeks apart , then prime once the oil is dry. This tends to
hold up better.
Probably Cedar, It never should have been painted rather stain. Cedar
only lasts so long then it rots. Removal of paint is worthless if you
have any rot . Also the cost may make replacement better. Id just prime
with oil and paint latex and not make a big deal of it. Replacement is
probably best and needed soon.
when stripping paint off of the barn (and we were pressed for time) we
always rented a sand blaster - right down to the bare wood each time -
perfect. For smaller jobs we use the pressure washer / water.
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