ASTM developed standards which include a category intended to protect children five years of age and under. ASTM Standard F1346-91 for spa covers includes specific performance tests and labeling requirements. Covers must be able to pass certain tests. The first is Static Load. "In the case of spas with a width or diameter greater than 8' from the periphery, the cover shall be able to hold a weight of 485 pounds to permit a rescue operation.

Our products meet the ASTM standard put in place for that particular product. Some of our products do not have a standard set forth by ASTM. However, we still maintain a high quality of production on these parts.

ASTM standards are used by individuals, companies, and agencies around the world. Purchasers and sellers incorporate standards into contracts; scientists and engineers use them in their laboratories and offices; architects and designers use them in their plans; government agencies around the world reference them in codes, regulations, and laws; and many others refer to them for guidance. ASTM standards are ?voluntary? in the sense that their use is not mandated by ASTM.

Standards development work begins when members of an ASTM technical committee identify a need or other interested parties approach the committee. Task group members prepare a draft standard, which is reviewed by its parent subcommittee through a letter ballot. After the subcommittee approves the document, it is submitted concurrently to the main committee and the entire membership of ASTM.

ASTM has over 30,000 members from more than 100 countries around the world who are producers, users, consumers, and general interest parties, such as academicians and government representatives. These members write ASTM standards through their service on one or more of ASTM’s 130-plus technical committees.It is these members who determine which standards development activities to pursue.

Yes. See the Intellectual Property Policy, available on the ASTM homepage at www.astm.org or request a copy from Headquarters at +1 610/832-9500.

The ASTM standard for glazed concrete blocks is ASTM C744. There was a Federal Standard SSC 621B which was discontinued because it was virtually identical to ASTM C744. If you ever see a reference to Federal Specification SSC 621B, know that this standard has been superseded by ASTM C744 which is virtually identical.

Organizational integrity : program structure, contract oversight, privacy, security, quality management, disclosure to customers. Clinical areas: pharmacy and therapeutics committees, formulary, utilization management, medication therapy management.

Depending on use, plan to clean your spa's cover once a month with either Cover Wipes or Cover Care & Conditioner. Pay particular attention to the waterside of the cover. A frequent cleaning of your cover will protect it and keep it smelling fresh.

No we don’t. We don’t stock any covers. There are literally thousands of spa sizes and shapes and when you combine those with the 15 colors of vinyl that we offer, it would be impossible to make a spa covers in the advance of orders.

People frequently ask how much weight a cover will hold. While all of our covers meet or exceed ASTM Standard F1346-91?, there is not specific weight rating for each specific thickness and density of foam. There are many reasons for covers not having a "weight rating" or "load rating", but the most prevalent would be general liability issues. That being said, the chart below compares the overall strength of different foam densities and thicknesses.

The life-span of a spa cover is dependant upon many different things. How much direct sunlight it gets, how well it's cared for or abused, how extreme weather conditions are and how the chemicals in the spa are dealt with all have an effect on life-span. Generally though, if reasonably cared for a spa cover should last five to eight years.

Although very durable, a small amount of general care and maintenance can help extend the life of any spa cover. Do not over sanitize the water, and remove the cover when shocking. This is the most important thing. As excessive sanitizers evaporate, they can actually deteriorate many of the plastic materials a spa cover is constructed from. Periodically cleaning, treating and protecting the outer vinyl from the elements is the most important thing.

So far, no one has been able to manufacture a cost-effective "indestructible" spa cover. There are actually good reasons for this. First, your cover gets a lot of wear and tear on the top. With rain and snow, direct exposure to UV radiation from the sun plus expansion and contraction from temperature extremes, your cover takes a serious beating just from the weather.

Standards play an important role in everyday life. They may establish size or shape or capacity of a product, process or system. They can specify performance of products or personnel. They also can define terms so that there is no misunderstanding among those using the standard. examples, standards help ensure that film to fit our cameras can be purchased anywhere in the world, that a light bulb fits a socket, and plugs for electrical appliances fit outlets.

Krueger can manufacture security grilles that meet ASTM A750. ASTM A750 applies to ventilating grilles for detention areas. ASTM A750 references four material specifications. They are: ASTM A6, A29, A627, and A629. A6 covers structural shapes and plates. A29 is for steel bars. A627 and A269 cover tool-resisting steel. Construction to ASTM standards is expensive due to special testing methods, materials tracing, special material specifications, and heat treating.

The ASTM standard for linear dimensional stability (ASTM D 1204) was originally 2% maximum. In the mid-90s the standard was changed to 1% maximum. The change in the ASTM standard was influenced by the belief that membrane shrinkage may be a contributor to the bridging seen on some old ballasted applications. In reality, EPDM has always exhibited a dimensional stability value of much less than 1%, even when the ASTM Standard was 2%.

ASTM site investigation/assessment standards attempt to encapsulate best practices that have been demonstrated and have broad technical acceptance in a replicable set of methods and approaches. For example, there already is an ASTM standard for conducting Expedited Site Characterization work (D6235-98a), one of the historical improvements in the characterization process that the Triad has built on.

Copies of the following referenced standards may be obtained from the American Society for Testing and Materials, 100 Bar Harbor Drive, West Conshohocken, Pennsylvania 19428, www.astm.