Besides termites, moisture is the worst enemy for a wooden deck. Moisture over time causes rot, mold, mildew, and headaches. How can you protect your wooden deck? Let’s look at how water affects wood first.
Wood is hygroscopic, meaning it gains or loses moisture as the relative humidity of the air surrounding it changes (Loffer, 2018). There should be some moisture in wood, but too much causes trouble.
When water seeps into wood fibers, it is called fiber saturation. First the water goes into cells, but once the cells are full, water will overflow into the cell cavities and start the process of decaying (Canadian Wood Council, (2019). As water fills the cell cavities, it causes the wood fibers to stretch creating a weaker board, which can be unsafe (University of Cambridge, 2018).
A potential solution is that you can use treated lumber and try to continue to seal it every year. Every. Single. Year. Or use composite lumber, which would help with moisture, but peeling, fading and sagging are known downfalls of composite lumber.
Luckily, there is a permanent solution. Get a stone deck instead.
You read correctly, a stone deck. Not possible?
It is now with the StoneDeks System. The system allows any stone to be placed on and elevated surface and allows for drainage and permeability.
In Canada where moisture is a huge problem due to snow, a stone deck using the StoneDeks System has stood the test of time for over ten years.
No more re-sealing. No more rot. No more headaches.
Just a nice, relaxing stone deck that is as equally beautiful as it is low maintenance. And your neighbors will be impressed at the sight.
1) Loffer, L. (2018). Acceptable Moisture Levels in Wood –Knowing the Moisture Content. Retrieved from https://www.wagnermeters.com/moisture-meters/wood-info/acceptable-moisture-levels-wood/
2) Canadian Wood Council. (2019). About Moisture and Wood. Retrieved from http://cwc.ca/design-with-wood/durability/durability-hazards/about-moisture-and-wood/3) University of Cambridge. (2018). Water’s Effect on the Mechanical Behaviour of Wood. Retrieved from https://www.doitpoms.ac.uk/tlplib/wood/water_effect.php