FLOCKING 



93 



FLOORING 



105. A board 2 in. wide, when tongued and grooved, 

 covers 2 in. of floor space ; a board 3 in. wide covers 2^- in. ; 

 one 4 in. wide covers 3J in. (Some 4-in. flooring covers 3 in.) 



106. Rule. To estimate a bill of flooring or ceiling, meas- 

 ure the square feet of surface ; to 'this add of itself if 

 2^-inch flooring is used, j- of itself if 3-inch flooring is 

 used, and -^ if 4-inch flooring is used. 



EXERCISE 



1. How many square feet of floor are there in your school- 

 room ? How many feet of flooring 3 in. wide will it take ? 



2. How many feet of floor- 

 ing 2 in. wide will be required 

 for a room 14 ft. by 16 ft. ? 



3. What would it cost to 

 floor your largest room at home 

 with oak flooring 2^ in. wide at 

 $3.75 per hundred? with pine 

 flooring 2 in. wide at $2 per 

 hundred? 



FLOORING 



4. Estimate the number of feet of ceiling 4 in. wide it 

 would take for your largest room at home. How many feet 

 3 in. wide ? (Allow in. for tongue and groove.) 



5. When a carpenter is estimating the number of feet of 

 flooring 2^ in. wide required for a room, why does he add to 

 the number of square feet to be floored one fourth of the 

 number ? Why does he add one fifth of the number when 

 3-inch flooring is used ? Why does he add three thirteenths 

 of the number when 4-inch flooring is used ? What does he 

 add when 4-inch flooring covers 3^ in. ? 



