The width of only one picture frame deck board 5 1 2 will span the thickness of even a double rim joist 3 plus a decorative fascia board 3 4 thereby protecting them from any gathering of debris or exposure to the elements.
Trex deck picture frame.
One solution is to picture frame the deck by installing trex deck boards around the perimeter.
It sets even the most basic backyard deck apart from the rest and has a minimal to zero material cost increase with only a little more labor required.
Perimeter picture frame deck boards overlap the outside rim joist and any decorative fascia board.
On a deck with a single picture frame the joist supporting the ends of the field boards is a lot closer to the deck s edge joist.
Picture framing decking is becoming quite popular among home owners and deck builders.
Assuming a 5 1 2 inch deck board 1 1 2 inches for the deck s edge joist a 3 4 inch skirtboard and a 1 1 4 inch overhang you re left with only 1 1 4 inches between the rim joist and the inside edge of the picture.
A picture frame creates a professional look but does require additional framing.
This technique is also called picture framing or racetrack decking.
An effective method of finishing a deck surface is to install a trim board around the perimeter of the deck.
Many deck designers are incorporating a picture frame look where the outer edge of the deck is one two or three boards of the one color and the the field area of the deck is the other color.
There are two common styles a 45 degree miter frame corner or a butt joint frame.