Wood decks are an attractive and functional addition to any home. But keeping them that way can be costly and time consuming. The introduction of pressure treated lumber as a decay resistant alternative to the more expensive cedars and redwoods helped to significantly expand deck construction. However, while decay potential was reduced, the lumber – typically pine – is still susceptible to splitting, warpage and nail pops.  According to the HouseMaster Technical Staff, treatments are now available to help minimize these problems but regular application and other repairs are typically required.

Considerations
As an answer to these concerns, various wood-composite or synthetic products are now available. These include wood-plastic, polyethylene, polyvinyl chloride (PVC) – the same material that piping is made from – and even fiberglass.

Each type system has its strengths and weaknesses as well as a unique look. All are designed to absorb little or no water, so even the wood based products are much more dimensionally stable than wood and thus less likely to warp or twist. Full plastic systems are not subject to water damage but protection from ultra violet rays (UV) is a key requirement to insure that they do not break down prematurely. Plastic is also more susceptible to expansion related problems so the proper placement of fasteners is critical.

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