Hallux valgus is a common deformity of the big toe, defined as medial deflection of the first metatarsal bone along with lateral deflection of the first toe. Surgery has been shown to be b...
The influence of adverse pool water chemistry on the. vinyl was assessed through observation of changes in vinyl. colour, weight, dimensions, tensile strength and elongation. (stretching). The laboratory studies revealed that the factors most. affecting vinyl liners are high chlorine concentration, and.
Find a Pool Liner Pro. Vinyl liners for in-ground pools tend to last 8 to 12 years, on average, although some might require replacement after just 5 years and others will make it to 15 or 20. For above-ground pools, which are more exposed, plan on 6 to 10 years.