[TheForge] temporary heat shield

[Rick Korinek]

NFPA 211, the International Residential Building Code and the UL listed
instructions that came with the solid fuel burning appliance specify minimum
required clearances to combustibles as well as clearance reductions that can
be done with various additional forms of protection. 

-Rick
 
-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net] On Behalf Of John Allen
Sent: Thursday, February 05, 2009 9:30 AM
To: adveniam at att.net; Blacksmithing List Sponsored by ABANA
Subject: Re: [TheForge] temporary heat shield

The firewall in your car is 16 ga steel.

On 2/5/09, GRAF <adveniam at att.net> wrote:
> Temporary? just to keep from burning the place down?
> Black iron, even galvy if the distance is sufficient to keep from
> burning the zinc.
>
> Mike Graf
>
> terry l. ridder wrote:
>> hello;
>>
>> i am in need of a temporary heat shield and seeking some advice and
>> suggestions.
>>
>> for peace of mind i would like two heat shields spaced one each a part
>> with ceramic standoffs. the question is which is the better sheet metals
>> to use for the heat shields.
>>
>> highly polished aluminium would be the first choice since it would
>> reflect the unwanted heat , lightweight, and low in cost.
>>
>> where would i be able to obtain 2 sheets of 4x8 highly polished
>> aluminum?
>>
>> highly polished chromium steel would be the last choice since it would
>> refleact the unwanted heat at the trade offs of increased weight and
>> cost.
>>
>> where would i be able to obtain 2 sheets of 4x8 highly polished
>> chromium steel?
>>
>> the metal heat shield is temporary until we are able to construct a
>> warming tile heat shield later in the year.
>>
>> the metal will not be exposed to salt air/ocean air/open seas air for
>> that long of time so i am not worried about corrosion.
>>
>> poor ascii art below.
>>
>>    ==================+ +============== <-- metal overhead
>>         | <-- wooden frame bulkhead
>>         |            | |
>>         | l i        | | <-- double wall stove pipe duravent dvl leads to
>>         | l i        | |     small engine room exhaust stack.
>>         | l i        | |
>>         | l i     +------+
>>         | l i     |      | <-- harman oakwood wood stove
>>         | l i     |      |
>>         | l i     +------+
>>         | l i     /      \
>>    ================================= <-- metal deck
>>
>>         l -- 1st heat shield 1 inch above the deck and 1 inch from the
>>              wooden frame bulkhead.
>>
>>         i -- 2nd heat shield 1 inch above the deck and 1 inch from the
>>              1st heat shield.
>>
>>         the gap between the stove and the 2nd heat shield will be 12
>>         inches.
>>
>>
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