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Cost of Wood versus Metal Framing  Example wall Sp ec i ca t i o n s: 1 0 f e e t lo n g , 8 f e et h i g h, a total of 3 e l e ctrical de vi ceb o xe s, a nd d r yw a ll on b o t h si d es, B u ilt in b a se men t w ith t o p p l a te f a st e n e d to w o od o o r j o ist s a n d b o t t o m p l a t e f a st e n e d t o co ncr e t e sla b . S t u d s a re 16 i n ch e s o n c e n t e r. All w o o d i s s t an d a rd kiln d ri e d (no p r e ss u re tr e at e d ) a n d t h e r e fore sill g a sk e t is s h o u l d b e u se d f or a l l b ott o mp l at e s. I a m n o t i n cl u d i n g w ire st a p l e s a s t h er e a re too ma n y o p tio n s for a re a so n a ble co m p ari so n .Al so , trimscrew s a re ove r 10 ti m e s m o r e e xp en si ve than bri g h t nishi n g n a il s, bu t n ishi n g n a ils c a n be u se d w ith m e t a l fr a m i n g i f a stri p o f O S Bi s u se d a t the b ot t o mof t h e w a ll.  Wood wal l using nai ls M a t e ri a ls r e q u ir e d: 2 x 4lu m b e r in 8 fo o t len g th s $2 .84 ea ch. To p a n d b o t t o m p l a t e s: t ot a l 3 S t u d s : t o t a l 9 T ot a l co s t :$3 4 . 0 8 F a st e n e rs f o r w a ll a sse m b l y 3 1/4 i n ch f r a min g nails

Cost of Wood Versus Metal Framing

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• $10.48 for 5 pound box (approx count 320): $ 0.033 each

• To fasten top p late: 6

To fasten st uds to plates: 4 per stud: 2 4• Total framing n ails: 30

• Total cost: $ 1

Fasteners for bottom plate

• 2 1/2 inch concrete nails

• $13.74 per 100 (Ramset)

• Powder charge for powder actuated nailer: $ 5.96 per 100

• Cost per single nail and powder charge: $0.20

• Total concrete nails: 6

• Total cost: $1.20

Electrical device box

• 1 gang with bracket (Raco Handy box)

• $1.88 each x3

• Total cost: $ 5.64

Fasteners for device boxes

• While nails m ay b e used, I prefer to always use screws

• 1 inch, #8, pan head wood screws

• $5.48 per 200

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• $0.027 e ach x 6 ( 2 per device b ox)

• Total cost: $0 .164

Total cost: a pproximately $42.08

Wood wall using screws

Materials r equired:

2 x 4 lumber in 8 foot lengths

• $2.84 each.

• Top a nd bottom plates: total 3

• Studs: t otal 9

• Total cost: $3 4.08

Fasteners for wall assembly

• 3 inch #8 zinc plated wood scr ews

• $6.47 for 1 pound box (approx co unt 83): $0.078 each

• To fasten top p late: 6

• To fasten st uds to plates: 4 per stud: 2 4

• Total framing n ails: 30

• Total cost: $ 2.34

Fasteners for bottom plate

• 3/16 x 2 3/4 inch Tapcon concrete screws

• $16.42 per 75 (includes drill bit)

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• Total concrete s crews: 6 x $ 0.22

• Total cost: $1.32

Electrical device box• same price

• Total cost: $ 5.64

Fasteners for device boxes

• same price

• Total cost: $0 .164

Total cost: a pproximately $43.54

Steel Stud Wall (metal framing)

Materials r equired:

Metal Track in 10 foot length

• Top a nd bottom plate: total 2

• $4.48 each

• Total cost: $ 8.96

*price in this e xample is d ifferent from picture above. Photo was t aken in Canada inMarch, 2013. P rices qu oted from US based si te in December 2013.

Metal studs, 8 foot length

• $3.98 x 9

• Total: $35.82

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Total cost of metal framing: $32.84

Fasteners for wall assembly

#7, 7/16in. pan head frame screws• $4.31 for 375: $ 0.011 ea ch

• To fasten st uds to tracks: 4 per stud: 2 4

• Total cost: $ 0.28

Fasten top track to wood oor joists

• 1 inch, #8, pan head wood screws

• $5.48 per 200

• $0.027 each x 6

• Total cost: $0 .164

Fasteners f or bottom track

• 3/16 x 1 1 /4 inch Tapcon hex head co ncrete scr ews

• $11.53 per 75

• Total concrete s crews: 6 x $ 0.46

• Total cost: $2.76

Electrical device box

• same b ox as in the other examples ca n be u sed for both metal and wood framing

• Total cost: $ 5.64

• * In Canada, device box d esign differs for metal framing vs . wood framing. A boxdesigned for steel studs co st $5.49 each whereas a box with side brackets was

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$3.59 on the sa me day. O ther basic de vice b oxes cou ld be had for even less. Inour example requiring 3 boxes, the $4.15 per box d ifference amounts t o under$13 total.

Fasteners for device boxes

• 1/2 inch #8 metal screws

• $6.24 per 100

• $0.062 x 12 (allow 4 per box)

• Total cost: $ 0.75

Plastic g rommets a re required to protect wiring run through metal framing. A bag of 25costs $ 6.72. How many grommets a re required for a p roject will depend on how thewiring is r un. Since our example uses 6 studs, I am factoring in the cost of 6 grommets.(about $1.61)

Total cost: a pproximately $54.37

Constant costs for all examples

Drywall costs roughly $10 per sheet depending on what variety is cho sen. We n eed 5for our project. $50

Each sh eet of drywall requires ab out 45 screws. A 1 pound box con tainingapproximately 258 screws co sts $ 4.67. Screws for our project will cost about $3.39.

Other expenses include tape, joint compound, primer and paint. For now and st ick with just the basic f

(partially offsets t he additional expenses).

Wood framed wall with nails: Total cost: approximately $42.08+ $60 = $102.08

Wood framed wall (screws): Total cost: approximately $43.54+ $60 = $103.54

Wall framed with steel studs: Total cost: approximately $54.37+ $60 = $114.37

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