Mike6969

Newbie

April 12, 2008

What caused the semi-transperant stain applied to my deck to blister off one year after staining

2 years ago we built a new deck using green treated lumber. We were advised to let it dry for one year before staining. The deck had not mildewed or gone black in that year so we stained it last year. This spring the semi-transperant stain is blistering and flaking off. What caused this and how can I re-finish it again the proper way. Will pressure washing,drying and re-application be enough?

0 0 Ratings


Jared...

Expert

Jared C.- Personal Solutions Manager EXPERT April 23, 2008

Semi-transparent deck stains are penetrating products that should allow the wood grain to show and should not have a film build that could peel.

Common reasons for stain failure would be application to a previously sealed or coated surface, application to a non-porous surface, application to a dirty surface, or over-application of the product. Applying the product in the direct sun can cause the stain to dry before it can properly penetrate into the wood.

It is necessary to ensure the surface is properly prepared prior to application of the stain. All surfaces should be properly cleaned regardless of the age of the wood. This ensures that no mold or mildew spores are present and that the product can penetrate into the clean pores of the wood.

New pressure treated wood should be allowed to weather about 30-60 days before applying a stain. This will allow the wood to become dry & absorbent enough to be stained. To determine when it is time to stain pressure treated wood, perform a "splash test." which is done by splashing some water on the wood. The water will do one of two things:

1. Absorb into the surface making it slightly darker – wood can be stained.

2. Water will puddle or just run off - wood should not be stained.

 

Join this conversation.

Member

Add a link Add an image Add up to 3 images and 3 links here.
Start smart
Start smart

This is a great place to go for advice, especially if you're low on funds and you could resolve the problem before calling and paying a service call, if it's an easy fix. I'm glad you are there for me.

MEMBER COMMENT