Do Cellular Pvc Floor Boards Expand And Contract

I also apply construction adhesive between the subfascia and the pvc in the area of the joint.

Do cellular pvc floor boards expand and contract. This article covers why the material type and the fastener used need to be considered. When you re trimming out a window there s not much movement at all but installers will need to pay special attention on. Astm d2665 standard specification for poly vinyl. Pvc trim is made from a honeycomb cellular structure of polyvinyl chloride.

On long runs i cut 15 degree or 30 degree scarf joints. Finally i glue the butt joints. Both are resistant to insects and aren t prone to mold or rot. Temperature expansion thermal expansion of pipes and tubes stainless steel carbon steel copper plastics and more.

There isn t much difference in price between pvc and composite decking either. Below 60 degrees leave a 1 8 in. But it holds paint well. Wood moves due to moisture but plastic products will expand and contract with changes in temperature says steve booz vice president of new product development and product management at royal building products.

After installation cover the gap with acrylic or. For cellular pvc trim as well as most exterior building products the focus is on linear movement since movement along the product s length is what needs to be controlled especially where there are long runs of trim if your cellular pvc trim is going to move it will be most noticeable in the fascia frieze or rake boards on a house. You don t have to paint it. If you re installing trim in temps higher than 80 degrees f cut pieces to fit tightly.

If it s between 60 and 80 degrees leave a 1 16 in. That s not to say pvc trim stays entirely stationary. It s lightweight durable and waterproof. Pvc also called plastic decking can run between 9 38 and 12 40 per square foot while trex composite decking can cost between 11 to 15 per square foot.

Far from being the durable low maintenance product many homeowners hope that it will be pvc trim can lead to several aesthetic and structural problems over time. Assembly of shrink fits heating temperatures of shrink fits. For centuries decks have been constructed using traditional lumber with little regard for proper deck board spacing. Pvc trim boards will expand and contract with wide variations in temperature.

I use pvc glue in the joint and fasten the joint to the subfascia with trim screws within 2 inches of the end of each board. Gap for every 18 ft.