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#1
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House Paint Peeling Questions
hello,
We are getting to the point where our house needs to be re-painted. Have a latex paint on house now; about 10 years old since last paint job. There is "meaningful" paint peeling in spots, and am wondering how well the adhesion is in general. Am I right in that any new paint will never actually see the wood siding, and merely adheres to the old paint ? So, if there is subsequent peeling of the old paint from the wood, the new paint will go along for the ride, and peel also ? How are situations like this handled ? If we get a good house washing (pressure wash ?) is this likely to cause even more peeling problems ? Thanks, Bob |
#2
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House Paint Peeling Questions
In article , Bob
wrote: hello, We are getting to the point where our house needs to be re-painted. Have a latex paint on house now; about 10 years old since last paint job. There is "meaningful" paint peeling in spots, and am wondering how well the adhesion is in general. Am I right in that any new paint will never actually see the wood siding, and merely adheres to the old paint ? So, if there is subsequent peeling of the old paint from the wood, the new paint will go along for the ride, and peel also ? How are situations like this handled ? If we get a good house washing (pressure wash ?) is this likely to cause even more peeling problems ? Thanks, Bob Prior to painting, all loose, flaking, or peeling paint should be removed. That's why 95% of a paint job is preparation. If the old paint is in bad shape you'll see more bare wood than paint, following a good prep job. I think one component of pressure washing is to ferret out the not-so-obvious peeling stuff, rather than to create more peeling than already existed. |
#3
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House Paint Peeling Questions
Bob wrote:
hello, We are getting to the point where our house needs to be re-painted. Have a latex paint on house now; about 10 years old since last paint job. There is "meaningful" paint peeling in spots, and am wondering how well the adhesion is in general. Am I right in that any new paint will never actually see the wood siding, and merely adheres to the old paint ? So, if there is subsequent peeling of the old paint from the wood, the new paint will go along for the ride, and peel also ? How are situations like this handled ? If we get a good house washing (pressure wash ?) is this likely to cause even more peeling problems ? Is the paint peeling from the wood, or from old layers of paint? On my 70 yo house, I've have very good results using a hand held electric radiant heater to soften the old paint so it can be scraped off. Priming and painting the result looks like brand new siding. The one I have is like the one in the upper right picture he http://books.google.com/books?id=nSkDAAAAMBAJ&pg=PA150&lpg=PA150&dq=electr ic+heater+paint+removal&source=bl&ots=apT4xz8l7G&s ig=rZifBBMyutp47p7ZceaLKieXCf4&hl=en&ei=MmskTqehFa nliALTqLTBAw&sa=X&oi=book_result&ct=result&resnum= 7&ved=0CEsQ6AEwBjgK#v=onepage&q=electric%20heater% 20paint%20removal&f=false It works especially well on multiple layers of paint. Not quite as well for just one or 2. |
#4
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House Paint Peeling Questions
Bob wrote:
If we get a good house washing (pressure wash ?) is this likely to cause even more peeling problems ? If it does, that's good. |
#5
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House Paint Peeling Questions
On Mon, 18 Jul 2011 10:52:28 -0400, Bob wrote:
hello, We are getting to the point where our house needs to be re-painted. Have a latex paint on house now; about 10 years old since last paint job. There is "meaningful" paint peeling in spots, and am wondering how well the adhesion is in general. Am I right in that any new paint will never actually see the wood siding, and merely adheres to the old paint ? So, if there is subsequent peeling of the old paint from the wood, the new paint will go along for the ride, and peel also ? How are situations like this handled ? If we get a good house washing (pressure wash ?) is this likely to cause even more peeling problems ? Thanks, Bob Not long ago my fascia trim was in bad shape, peeling, curling paint and looked like alligator hide on the South and West side of the house (desert heat is a killer). About 12 years old or so. I knew I would have to take much of those sides down to wood. I bought a Wagner Painter Eater with abrasive disks and used that (_DO NOT BUY THIS TOOL - POS_). It lasted long enough for me to get the worse places down to clean wood and failed after only three disks. The North and East sides where not so bad. That paint was fairly good, with no peeling. I used a 4" orbital sander (60 Grit paper) and sanded all areas, feathering the areas out well to clean up the old paint. I did have to sink some nails and metal cleats under outside corners to pull them together, Also some cleats where boards were cut 45 degrees to mate on long runs. Put on a _good_ coat of primer, then two coats of paint (acrylic latex). No need for a power washer. Follow the recommendation of the paint can as you don't want to paint above certain temperatures. Usually paint on the shady sides first, when you can. If you have rain then it can slow down the process as the wood needs to dry out for awhile. P.S. I returned the Wagner tool for a full refund -- less the used disks. Good luck.. |
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