Caulking Stained Cedar Siding

Because the staing will tint the caulk slightly.

Caulking stained cedar siding.

Natural siding boards are designed to expand and contract with the elements and we do not want any adhesive to prevent their natural movement. Generally we do not recommend caulking butt joints on cedar siding. Stained cedar siding has a tendency to discolor over time. Corner boards are applied to the sheathing with siding fitting tightly against the narrow edge of the boards allowing for expansion and an adequate caulking bead.

The answer depends on the manufacturer and installation method used when the siding was first installed. How to clean stained cedar siding. The western red cedar lumber association publishes a number of downloadable booklets concerning the design installation and finishing of cedar siding. Width is a matter of taste and proper proportion.

The wood s structural integrity will remain unless the wood is exposed to excessive moisture which can cause curling cracking and wood rot. I m not a painter but i do install cedar siding and i always caulk all the joints. Thickness of the corner board will depend on the thickness of the siding. If i am installing a prefinished product which i do mostly i use a color osi match caulk.

Below is a link to their installation guide. The black coloring or darkening of the cedar siding is caused by mold growth. If i install a non finished product i usually go with a 3m paintable caulk. While cedar stands up to the elements fairly well on its own putting a seal or a coat of paint on it can enhance the color and protect the wood from inclement weather.

Oil stains that are. Recommendations for caulks are located on page 10. Giving your cedar siding a nice tint will add beauty durability and value to your home. Don t use a filler like wood filler as it will not move with the cedar siding.

The most common are 3 4 inch or 1 1 4 inches thick. Cedar is a beautiful wood and can be kept that way when stained properly. Other technical resources can be found elsewhere on their website.