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Example #1 : These statement comes directly from Brand Z's site in reference to slab on grade systems...
"Can easily be installed over rough grade • Helps direct radiant heat into the living space • Superior bubble strength withstands jobsite traffic • Can easily be formed around plumbing, wiring, etc. • Methane, radiant, and vapor barrier all-in-one • Installation is quick, safe, and easy"
All are true statements except this..."Helps direct radiant heat into the living space"
HH Response: Once again we have another manufacturer making claims which are simply not true. Concrete on grade does not radiate heat into the earth ergo it can not be directed back up via radiation.
It is all conductive heat transfer. Again, another solution looking for a problem which doesn't exist.
Example #2: Brand Z advises readers of it's specification, "ASTM C236 modified to demonstrate the radiation effect of reflective foil on reducing the energy input at the room-side of the Guarded
Hot Box."
HH Response: We have forwarded this statement to ASTM for their review and comment. Our suspicion is ASTM would not approve the reference to a "modified ASTM Standard" to support the claim of a manufacturer. We could be wrong
and will retract this statement when we hear back from ASTM. In the meantime file under "suspicious use".
Example #3: "The new Building Sealing and Energy Conservation logo is stamped on all Brand Z products in recognition to their ability to help increase energy conservation."
HH Response: "The new Building Sealing and Energy Conservation logo" is a creation of the manufacturer and though the manufacturer makes no claim to it otherwise, consumers should be advised it is not recognized in or by any industry standard. Do Brand Z
products promote tighter construction and reduced energy use - sure they do and good on them, but so does throwing on a sweater and warm socks...maybe the socks and sweaters industry should create a special logo...just don't be swayed my marketing masquerading as science...
More to come... |
