Q. We put down Trex decking in 2008. The composite lumber has developed dark spots all over it. It started with a few spots and has multiplied over the two-year period. What is causing the spotting, ...

Q: We put down Trex decking in 2008. The composite lumber has developed dark spots all over. It started with a few spots that multiplied during the two-year period. What is causing the spotting? How ...

With the first signs of spring in the air, many are looking to tidy up their gardens in anticipation. Decking is a popular choice in many gardens and in recent years many have invested in composite ...

DEAR TIM: We put down Trex decking in 2008. The composite lumber has developed dark spots all over it. It started with a few spots and has multiplied over the two-year period. What is causing the ...

Q. I have a composite deck, light gray in color, and, even though I clean it two times a year with a power washer, there still is this light green mold that appears under the railing and on the steps.

Q: We have a 16-year-old Trex deck that has a lot of green and reddish-brown staining. Everything we have read online recommends using only soap and water for cleaning and discourages pressure-washing ...