05:28AM | 06/25/04
Member Since: 06/23/04
1 lifetime posts
I am having a new wood stove installed in my living room within the next month. Before the stove is installed, I have to build a stone hearth over the wood floor. The stove and hearth will be in the corner of the living room. The stone hearth will be approximately 5'x5' or 25 sqft. The stone hearth will weigh 500 lbs and the stove is 500 lbs. I am conservatively assuming that the completed hearth and stove (plus miscellaneous materials) will weigh ~1500 lbs. My question is whether the floor joists can handle this weight. The living room floor is over the garage and is supported by 2x10 joists with 16" spacing. The joists span approximately 11 ft - one end is supported by a load bearing exterior wall, the other end of the joists rest on a 4x10 beam that spans the width of my garage. Any help is greatly appreciated.


06:12PM | 06/26/04
Member Since: 01/28/03
693 lifetime posts
Under most US codes your current framing and proposed weight will cause no problem whatever.

The proposed 1000 lb or so live load (500lb stone and 500lb stove) divided over the area of 25 sq ft brings a total of 40lbs per sf live load over the area, or LESS than a standard 2x10 16 inch on center at 11 feet span is designed to carry.

You should not take this advice as gospel or true for your region.

Consult your local cide enforcement office but you will likely find your current framing and loads are a-ok.


04:10AM | 11/20/15
I bought the house I was born in. It's 100 this year . It has no sub floor , the T+G flooring is nailed to the joist... Can I install sub floor over it ? The style of the house is a American Foursquare , balloon frame. It's a large house with basement , 1st floor, 2nd floor and attic. Also most the floors bounce and I am in the process of sistering new joist below the 1st floor and in the attic.. Thank you .
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