FIREPLACE INSTALLATION

                There are several different options for fireplaces in your log home, from zero clearance units to full masonry with brick fireboxes.  A zero clearance unit is a prefabricated fireplcae which can be purchased at most building supply outlets.  Zero clearance means that it can be set directly against a studwall or log wall.  Normally, you will have several inches of clearance, but the zero tolerance is there if needed.  The benefit of the zero clearance unit is that the cost of masonry and exterior chimneys can be avoided.  The exhaust will be through a double or sometimes triple insulated stove pipe which will be hidden in or behind a stud wall.  Rock facings can still be added for looks as well as rock hearths and wood mantles.  Zero clearance complete fireplaces can be installed for as little as $1,000.  Usually, when the stone facings, mantles and etc. are added, the total cost will be in the $2,500-$5,000 range.  Also, no special footers or supports are needed for these fireplaces.

                Full masonry fireplaces usually start in the $5,000 range and can go up to any amount.  Full masonry fireplaces will need footers which normally are poured at the same time your house footers are poured, and also to the same specifications.  This type of fireplace may require an opening in the log wall.  If so, this opening can be pre-cut by Tennessee Log Homes or can be cut on the job.  Construct “floating” rough opening frames around the perimeter of the fireplace opening as with window and door frames (see the previous section entitled “Exterior Window and Door Installation”).  The fireplace “throat” passing through the log wall opening should touch the rough opening frame; but should not touch the log wall.  Also, a two-inch space should be left between the throat and the top of the opening to allow for natural log settlement.  Attach trim around the fireplace to the rough opening frame but not to the log wall.  No masonry should ever touch the log wall.  Natural log settlement may damage the masonry or will be prevented by the masonry if it touches the log wall.  Use a slotted plywood underlayment where chimneys and hearths join log walls to prevent damage to masonry.  If an exterior chimney is to go up along a log wall, it is a good idea to first apply a slotted plywood or OSB template over the log walls before the masonry is installed.  The chimney should adhere to the template, not to the log wall.