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Robin E. Snyder
Senior Member
Username: robin

Post Number: 297
Registered: 08-2004
Posted on Friday, February 12, 2010 - 12:20 pm:   Edit PostDelete PostPrint Post

Can anyone summarize pros and cons of using penetrating oils versus a transparent stain, such as a Sherwin Williams Deckscapes (exterior) or Polyurethane Varnish (interior)? The project I am working on has alot of interior and exterior wood, columns, trellis, ceilings etc. Location is in CA.
(Unregistered Guest)
Unregistered guest
Posted on Friday, February 12, 2010 - 12:43 pm:   Edit PostDelete PostPrint Post

Best product on the market is Sikkens Cetol 1, 2-3 Plus. I arrived at this conclusion after some lengthy independent research, observation of premature and catastrophic failures of other products on the market, and observations of the Sikkens system performance over several years. I specify nothing else when a surface applied preservative wood treatment is called for.
Robin E. Snyder
Senior Member
Username: robin

Post Number: 298
Registered: 08-2004
Posted on Friday, February 12, 2010 - 01:46 pm:   Edit PostDelete PostPrint Post

Nice plug unregistered guest, but it doesn't really help answer my question!
Ralph Liebing, RA, CSI, CDT
Senior Member
Username: rliebing

Post Number: 1141
Registered: 02-2003
Posted on Friday, February 12, 2010 - 02:17 pm:   Edit PostDelete PostPrint Post

In dealing with several of them, I have always found Sherwin reps to be very knowledgable, open and honest-- forth coming with good response to questions and good analysis of pros and cons.

Surely there is one near you. If not, can provide couple of names by e-mail.
(Unregistered Guest)
Unregistered guest
Posted on Friday, February 12, 2010 - 02:07 pm:   Edit PostDelete PostPrint Post

Well.... I don't have time or space to bring you up to speed to the point that I could meaningfully reach you in answer to your questions, but I can recommend some really important reading for you:

http://www.pacifier.com/~wwoodp/pdffiles/fplgtr109.pdf

This document is an excellent primer that will give the reader a thorough understanding of protection for exterior wood and general types of products available.

For the interior - you can use whatever you want, because the wood is not being attacked by moisture and UV; the coating will not break down. However, I recommend a transparent finish (with or without first applying stain) such as polyurethane or conversion varnish for easiest maintenance.

I do not know what a "transparent stain" is.

Sikkens offers both interior and exterior systems, color matched, in their Cetol product line.

I am a spec writer, not a product rep, I gain nothing from "plugging" products...
(Unregistered Guest)
Unregistered guest
Posted on Friday, February 12, 2010 - 03:35 pm:   Edit PostDelete PostPrint Post

For "true" transparent stains, you are going to have a problem in Calif. VOC regulations prevent use of traditional Olympic (and Cabot?) alkyd/oil-based stains...at least in LA Basin. You will likely be "stuck" with lesser performance (and different appearance) acrylic-based "stains."
Traditional transparent stains had/have some preservative properties, but I don't think as much as a penetrating oil (if you can find VOC-compliant product) would.
Varnish, if your are thinking for exterior, is probably not prudent choice. I have yet to know of any varnish that can withstand constant UV exposure for more than several years.
Your local S-W rep should be able to help and advise you...or at least put you in contact with project locale rep.
Wayne Yancey
Senior Member
Username: wayne_yancey

Post Number: 309
Registered: 01-2008


Posted on Tuesday, February 16, 2010 - 10:24 am:   Edit PostDelete PostPrint Post

Robin,

Even though 1st Unregistered guest did not really help answer your question, his recommendation to use Sikkens products should end your search. Best damn products in the marketplace, bar none.
(Unregistered Guest)
Unregistered guest
Posted on Tuesday, February 16, 2010 - 03:44 pm:   Edit PostDelete PostPrint Post

At 490 & 550 g/L, Sikkens products are not legal in Calif for field-application...MAYBE OK in (controlled environment of) shop, but that depends on specific location and VOC regulations.

"3rd Unregistered"
cr mudgeon (Unregistered Guest)
Unregistered guest
Posted on Tuesday, February 16, 2010 - 04:04 pm:   Edit PostDelete PostPrint Post

It's that VOC that makes them so good... ;-)

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