| Author |
Message |
    
Kibbegirl
Citizen
Username: Kibbegirl
Post Number: 358
Registered: 5-2003
| | Posted on Saturday, February 4, 2006 - 9:11 am: | 
|
We're getting estimates to paint a house. The house, we're told, had been painted a few years ago, so the paint job isn't that old. However, I like to get 3-4 estimates from companies, and one company, which I got here, said that although the house paint wasn't old, he recommended sanding the entire house and re-painting. When is it necessary to completely sand and repaint and when is it not? |
Shanabana
Citizen
Username: Shanabana
Post Number: 178
Registered: 10-2005
| | Posted on Saturday, February 4, 2006 - 9:20 am: |
|
Do they mean paint removal with that shaving machine? From what I've been told, it makes sense if there is evidence of the paint peeling, or alligatoring (cracking) because that will have repercussions on the new paint job. Seems unlikely that the whole house would need to be de-painted if there aren't these widespread problems. |
Bob K
Supporter
Username: Bobk
Post Number: 10533
Registered: 5-2001
| | Posted on Saturday, February 4, 2006 - 9:50 am: |
|
In the last few years it has become popular to sand the old houses around here before painting. Sanding takes a certain amount of the siding off when it is done. This should be a once every 75 year project, and even this is somewhat controversial in some quarters.
If the house was sanded when it was painted the last time and there isn't extensive peeling or alligatoring of the paint it shouldn't be needed. |
Kibbegirl
Citizen
Username: Kibbegirl
Post Number: 360
Registered: 5-2003
| | Posted on Saturday, February 4, 2006 - 11:07 am: |
|
I don't see "alligatoring" (love that!) or peeling on this house at all. The weather has been pretty overcast lately, so I need a sunny day to observe properly. The company that told us we should completely sand it down, was the first out of two to make that comment. |
Smarty Jones
Citizen
Username: Birdstone
Post Number: 321
Registered: 10-2005
| | Posted on Saturday, February 4, 2006 - 1:57 pm: |
|
Avoid paint removal at all costs...it's a high-margin business that one of the most-reputable companies in the area pushes on customers with some high-pressure sales tactics....don't get me wrong, they do a heck of a job, but the cost of full pain removal is:
a) Double the price
b) Unneccessary most of the time
c) Unhealthy for the wood siding, which can be damaged irreparably (as was the case with our house, where it's obvious the prior homeowner had it all sanded off).
The single best surface that a paint adheres to is a previous layer of paint. With a paint job on new wood, the reason a primer coat is necessary is because paint doesn't adhere to bare wood. Avoiding full paint removal also avoids the need for a full primer coat, which is ANOTHER good thing.
There's a couple older threads in this folder that you will find quite easily for more on the topic. |
Shanabana
Citizen
Username: Shanabana
Post Number: 191
Registered: 10-2005
| | Posted on Saturday, February 4, 2006 - 11:42 pm: |
|
Just curious who the paint contractor that pushes the "sanding" is, so I can avoid them. (I don't think it's really sanding though, because that popularly used machine uses blades, not sandpaper, right?) |
Bob K
Supporter
Username: Bobk
Post Number: 10539
Registered: 5-2001
| | Posted on Sunday, February 5, 2006 - 6:08 am: |
|
Shanabana, the contractors here use sanding equiptment, not the planers you mentioned.
The issue is that after 75 to 100 years and 10 to 20 paint jobs of various quality many houses have a lot of alligatoring and areas that will no longer hold paint. The siding is anything but smooth. We had our house sanded when we had it painted and the siding looks brand new. I chipped some paint off and there were easily 15 coats on the 1916 building and the paint was 1/4 inch thick. However, I view this as a once a century procedure and some houses may not need it even then.
|
Shanabana
Citizen
Username: Shanabana
Post Number: 194
Registered: 10-2005
| | Posted on Monday, February 6, 2006 - 1:34 pm: |
|
Actually the tool most guys use ( Rutgers WOC etc.) is The Paint Shaver (tm). It does employ the use of blades which are rotary, not unlike a norelco razor. This is not a planer, nor is it a sander. It is classified as a paint removal tool. Mr. Shanabana |
Bob K
Supporter
Username: Bobk
Post Number: 10546
Registered: 5-2001
| | Posted on Monday, February 6, 2006 - 5:33 pm: |
|
Without going into details when we had our house painted three years ago I am pretty sure they used sanders attached to a HEPA vacum cleaner.
However, I am having a bad week on getting my facts straight, so you may well be right and on some houses I have seen swirl marks, but those could be done by a rotary paint removal tool. |
Closed: New threads not accepted on this page